Nutrient Management in Agricultural Systems

Nutrient Management Spear Program

Department of Animal Science

323 Morrison Hall, Ithaca NY 14853

 

Areas of Work (70% extension and 30% research):

• Whole-farm nutrient management for New York dairy operations.
• Use of organic (manure, compost) nutrients for fertility management.
• Fertilizer guidelines for yield and quality of field crops in New York.
• Soil testing for soil fertility and environmental risk assessment.
• Indicators of environmental impact of nutrient management practices.
• International agriculture: soil fertility management in alternatives to slash-and-burn agriculture.

Education:

• Ph.D. (Environmental Sciences). The Ohio State University (OSU). December 10,1999.
• M.Sc. (Soil and Water, with Distinction). Wageningen University and Research Center, the Netherlands. October 23, 1992.
• Ingenieurs (B.Sc. in Tropical and Subtropical Agriculture) International Agricultural College Deventer (Currently: Internationale Hogeschool Larenstein), the Netherlands. January 22, 1990.

Professional Experience:

• Associate Professor of Nutrient Management in Agricultural Systems. Cornell University, Department of Animal Sciences. June 2008-current.
• Associate Professor of Nutrient Management in Agricultural Systems. Cornell University, Department of Crop and Soil Sciences. February 2006-May 2008.
• Assistant Professor of Nutrient Management in Agricultural Systems. Cornell University, Department of Crop and Soil Sciences. August 2000-January 2006.
• Consultant for the International Center for Research in Agroforestry. March-June 2000.
• Research Assistant in the Soil Science and Geology Department, Wageningen Agricultural University, the Netherlands. June-September 1993.
• Research Assistant in the Soil Ecology Laboratory/Sustainable Agriculture Program, Entomology Department at Ohio State University, USA, November 1992-April 1993.
• Co-manager of a 135 cow dairy herd in Ruschein, Switzerland. June-August 1990.
• Translator for the International Red Cross on mission overseas. January-May 1990.

Faculty Advisor for CALS Graduate Fields:

• Soil and Crop Sciences (formerly Crop, Soil and Atmospheric Sciences).
• Horticulture (formerly Pomology and Vegetable Crops).
• Animal Science.

Teaching Experience:

• Principle-lecturer:
  • ANSC4120 (4 credits): Whole farm nutrient management. Cornell University. Spring 2010. Co-taught with Mike van Amburgh, Karl Czymmek, and Patty Ristow. 22 students. Teaching Assistant: Anne Place.
  • AS/CSS 4120 (2 credits - module 1): Whole farm nutrient management. Cornell University. Spring 2009. Guest lecturer: Karl Czymmek (Pro-Dairy). The course is taught in two modules. The second module is taught by Mike van Amburgh (Animal Science). 38 students. Teaching Assistant: Patty Ristow.
  • AS/CSS 412 (2 credits - module 1): Whole farm nutrient management. Cornell University. Spring 2008. Guest lecturer: Karl Czymmek (Pro-Dairy). The course is taught in two modules. The second module is taught by Mike van Amburgh (Animal Science). 24 students. Teaching Assistants: Patty Ristow and Alejandra Latorre.
  • AS/CSS 412 (2 credits - module 1): Whole farm nutrient management. Cornell University. Spring 2007. Guest lecturer: Karl Czymmek (Pro-Dairy). The course is taught in two modules. The second module is taught by Mike van Amburgh (Animal Science). 31 students. Teaching Assistant: Joe Lawrence.
  • AS/CSS 412 (2 credits - module 1): Whole farm nutrient management. Cornell University. Spring 2006. Guest lecturer: Karl Czymmek (Pro-Dairy). The course is taught in two modules. The second module is taught by Mike van Amburgh (Animal Science). 28 students. Teaching Assistant: Joe Lawrence.
• Co-lecturer:
  • AS/CSS 412 (2 credits - module 1): Whole farm nutrient management (prior to Spring 2003 called AS 412: Livestock and the Environment). Cornell University. Spring 2001-2005. Co-teaching staff: Greg Albrecht (Nutrient Management Spear Program, CSS, lead lecturer), Karl Czymmek (Pro-Dairy). The course is taught in two modules. The second module is taught by Mike van Amburgh (Animal Science).
• Guest lectures:
  • CSS 260: Soil Science. Lecture on nutrient management in New York State. Cornell University. Fall 2004, 2005, 2006, 2007.
  • CSS 372/472: Soil Fertility Management. Lecture: Impact of fire on phosphorus availability and long-term sustainability of agroforestry systems in Indonesia. Spring 2002, 2003, 2004, and 2006.
  • BEB (Biogeochemistry and Environmental Biocomplexity) Spring 2005 Seminar Series. Nutrient (phosphorus) management issues on New York dairy farms: research and extension in a regulatory environment. Cornell University. Spring 2005. HORT/CSS455: Plant Mineral Nutrition. Lecture and laboratory session: Cropware and nutrient management planning in New York. Cornell University. Spring 2002 and 2004.
  • CAWG/MOIST Seminar Series. Lecture: Soil phosphorus availability from slash-and-burn fires in Sumatra, Indonesia. Are long forest fallow periods desirable? Cornell University. Spring 2002.
  • AS 355: Dairy Nutrition and Health, at Cornell University. Lecture on nitrogen management. Cornell University. Spring 2001.
• Teaching experience prior to Cornell:
  • Biology Teaching Assistant (Bio101: introductory biology for non-science majors) at the Ohio State University. Winter Quarter, 1999, Spring and Fall Quarters, 1998, and three quarters in 1994-1995.
  • Biology Teaching Assistant (Bio114: introductory biology for science majors) at the Ohio State University. Winter Quarter 1997.
  • Agriculture/English teacher at Diyagala Boys Town, Ragama, Sri Lanka. January-December 1988.

Student Advising:

• Current graduate students (dates in parentheses represent start dates):
  • Anne Place (Summer 2008) - major advisor
    • M.Sc. Soil and Crop Sciences.
    • Nitrogen conservation from manure in reduced tillage systems (NY).
  • Neith Little (Fall 2009) – minor advisor.
    • M.Sc. Soil and Crop Sciences.
    • Weed pressure and soil fertility management of organic cropping systems(NY).
  • Keenan McRoberts (Fall 2009) – minor advisor.
    • Ph.D. Animal Science.
    • Improved nutrient management for small holder beef farms in Vietnam.
• Current undergraduate students with research/extension projects:
  • Julia Knight (Fall 2009, sophomore).
    • B.Sc. Animal Science (’12), Cornell University.
    • Value of manure survey.
  • Emma Long (winter 2009, sophomore).
    • B.Sc. Agricultural Sciences(’12), Cornell University.
    • Nitrogen credits of cover crop in dairy rotations.
  • Jeff Willard (Fall 2009, junior)
    • B.Sc. Agricultural Sciences ('12), Cornell University.
    • Enhance efficiency fertilizers.
  • Eun Hong (Fall 2009, Cobleskill intern)
    • Bachelor of Technology, (’09), SUNY Cobleskill.
    • Corn stalk nitrate test and boron.
• Current Visiting Scholars:
• Past (at Cornell):
  • Graduate students:
    • Ryan Higgs (Fall 2007) – minor advisor.
      • M.Sc. in Animal Science.
      • Herd nutrition nitrogen management.
    • Joe Lawrence (Winter 2006) - major advisor.
      • M.Sc. Soil and Crop Sciences.
      • Tools for nitrogen management for corn (NY).
    • David Parsons (Summer 2005) - minor advisor.
      • Ph.D. Soil and Crop Sciences.
      • Enhancing the sustainability of smallholder crop-livestock systems in the Yucatán Peninsula (Mexico).
      • ASA Mott Award 2006.
    • Elizabeth Brock - major advisor.
      • MSc. Soil and Crop Sciences ('06), Cornell University.
      • Evaluation of P accumulation and loss dynamics in manure amended soils (NY).
      • First Place, student presentations NEBASA/SSSA 2005.
      • 2005 Bradfield Award
      • Recipient of a 2004 Biogeochemistry and Biocomplexity Small Grant
      • Recipient of a 2004 Andrew W. Mellon Student Research Grant.
    • Florence Nherera - minor advisor.
      • PhD. Animal Science ('06), Cornell University.
      • Impact of dairy farming on resource allocation, technology use and farm productivity in market oriented smallholder farming systems of Kenya.
    • Micah Woods - minor advisor.
      • M.Sc./Ph.D. Horticulture ('06), Cornell University.
      • Evaluation of methods for nonacid cation extraction from calcareous and sand putting greens (NY).
      • First place in the graduate student presentation in C5 of the Crop Science Society of America annual meetings in 2004.
      • Industry Award in C5 of the Crop Science Society of America annual meetings in 2003.
      • PPI-J. Fielding Reed Graduate Fellowship (2004).
      • GCSAA/Toro Watson Fellowship (2002).
    • Beth Medvecky - major advisor.
      • Ph.D. Crop and Soil Sciences ('06), Cornell University.
      • Potential interactions between the lablab green manure system and bean rot complex pathogens (Kenya).
      • Rockefeller Fellowship
    • Jonathan Klapwyk - major advisor.
      • M.Sc. Crop and Soil Sciences, Cornell University.
      • Illinois soil N test for New York (NY).
      • 2004 Bradfield Award.
      • 2005 NE ASA/SSSA Outstanding Graduate Student Award.
      • Currently teaching at Kemptville College, Ontario, Canada.
    • Laura Acuna - minor advisor.
      • Ph.D. Horticulture ('05), Cornell University
      • Carbon and nitrogen reserve status and partitioning affects growth and yield in the perennial strawberry (Fragaria x Ananassa Duch.) (NY).
    • Darrin Parminder - minor advisor.
      • M.Sc. Horticulture ('03), Cornell University
      • Effect of time of planting, N rate, cover crops and variety on kidney bean yield (NY).
  • Undergraduates (independent study, summer jobs, research experience):
    • Margaret Dunn (Fall 2009-Spring 2010).
      • B.Sc. Animal Science (’10), Cornell University.
      • Certified Crop Advisor on-line course development.
    • Chang Lian (Spring 2009-2010).
      • B.Sc. Agricultural Sciences(’10), Cornell University.
      • Potassium management for alfalfa.
    • Sarah Moss (Fall 2006-2009).
      • B.Sc. Animal Science (’9), Cornell University.
      • Whole farm nutrient balances.
    • John Weiss (Summer 2009, Cobleskill Intern).
      • Bachelor of Technology, (’09), SUNY Cobleskill.
      • Nitrogen fertilizer sources.
    • Hillary Bundick (Summer 2009, Cobleskill Intern).
      • Bachelor of Technology, (’09), SUNY Cobleskill.
      • Enhanced efficiency fertilizers.
    • Graham Swanepoel (Summer 2009, Agricultural Sciences, International Exchange Program).
      • Bachelor of Science, (’09), Lincoln University.
      • Whole farm evaluation.
    • Chie Miyamoto (Winter 2008, Cobleskill Intern)
      • Bachelor of Technology, (’08), SUNY Cobleskill.
      • Sulfur soil testing.
    • Scott Grandt (Fall 2005-Spring 2008) - Presidential Scholar.
      • B.Sc. Crop and Soil Sciences and Applied Economics and Management (double major, '08), Cornell University.
      • Soil test P spatial and seasonal variability.
      • Recipient of a 2005 Morley Undergraduate Research Grant.
      • Recipient of a 2005 Cornell University Agricultural Experiment Station Hatch Supplement Grant for undergraduate independent research.
      • First author on publication (see journal publciation list).
    • Sarah Place (Summer 2007, senior).
      • B.Sc. Animal Science (’8), Cornell University.
      • Nutrient management intern in Lewis County (summer '07).
      • Sulfur needs for alfalfa.
    • Miriam Goler (Winter 2007, senior).
      • B.Sc. Agricultural Sciences (’09), Cornell University.
      • Sod credits and the Illinois Soil N Test.
      • Co-author on publication (see journal publication list).
    • Wayne Berry (Summer and fall 2007, Cobleskill Intern)
      • Bachelor of Technology, (’07), SUNY Cobleskill.
      • Manure treatment effects on N and P dynamics.
    • Charles Hyland (Fall 2005, senior).
      • B.Sc. Crop and Soil Sciences ('06).
      • Phosphorus sorption capacity of Northern New York soils.
      • Recipient of a 2005 grant from the Dextra Undergraduate Research Endowment Fund.
      • Recipient of a 2005 Cornell University Agricultural Experiment Station Hatch Supplement Grant for undergraduate independent research.
    • Michelle (Dan) Wang (Fall 2004-Spring 2005).
      • B.Sc. Food Science ('06), Cornell University.
      • Amino sugar N test for New York (NY).
      • Recipient of a 2004 Morley Student Research Grant.
      • Co-author on publication (see journal publication list).
    • Rory Mauro (Summer 2004)- summer job.
      • B.Sc. Animal Science ('05), Cornell University.
      • Joined Columbia University for a graduate program in Environmental Health Sciences after graduation from Cornell University.
    • Andy Durow (Summer 2003)- summer job.
      • B.Sc. Animal Science ('05), Cornell University.
      • Went to Minnesota to operate a 500-cow dairy farm after graduation from the Dairy Fellows Program at Cornell University
    • Natalie Galens (undergraduate research project Spring 2002-2003).
      • B.Sc. Agronomy ('03), Cornell.
      • Amino sugar test as replacement for the PSNT in New York? (NY).
      • 2003 NE ASA Outstanding Senior Award.
      • Joined Rensselaer County Cornell Cooperative Extension after graduation from Cornell University.
    • Alex Wright (undergraduate research independent study in Fall 2002)
      • B.Sc. Agronomy ('03), Cornell University
      • Starter P use for corn (NY).
      • Joined Professional Agriculture Program at Iowa State University after graduation from Cornell University.
    • Joe Orloski (undergraduate research independent study Summer 2001-2002)
      • B.Sc. Biology ('03), Cornell University
      • Effect of N and K management on reed canary grass root development and C and N distribution over depth (NY).
      • Co-author on publication (see journal publication list).
      • Joined medical school in Pittsburg, PA, after graduation from Cornell University.
  • Visiting Scholars:
    • Cansheng Yuan, Senior Agronomic (6 month research project December 2007-May 2008).
      • Senior agronomist at Nanjing Management Station of Soil and Fertilization, Nanjing Bureau of Agriculture and Forestry, China.
    • Dr. Metin Turan, Professor (3 month research project December 2005-February 2006).
      • Ataturk University, Turkey.
      • Phosphorus sorption capacity of calcareous soils.
    • Chunyu Song, Associate Research Fellow (6 month research project March-August 2005).
      • Hailun Agro-Ecological Experimental Station, Chinese Academy of Sciences, Harbin, P.R.China.
      • Effect of temperature and moisture content on soil test P.
    • Johan Mekken (6 month thesis research project March-August 2005).
      • B.Sc. Land and Water Management ('05), Larenstein International College, the Netherlands.
      • Evaluation of the NY phoshorus runoff index (NY).
    • Erwin Nijsingh (3 months undegraduate research project in Fall 2004).
      • B.Sc. Land and Water Management ('05), Larenstein International College, the Netherlands.
      • Effect of differential manure and compost management on soil physical properties (NY).
    • Sander van den Hoogen (6 months post graduate in Winter and Spring 2004).
      • B.Sc. Land and Water Management ('03), Larenstein International College, the Netherlands.
      • Aminosugar nitrogen soil test (NY).
    • Marike Noij (3 month undergraduate research project in Winter 2003).
      • B.Sc. Land and Water Management ('04), Larenstein International College, the Netherlands.
      • Aggregate distribution and stability - method development (NY).
    • Desiree Brandhorst (undergraduate research project in Winter 2003).
      • B.Sc. Land and Water Management ('04), Larenstein International College, the Netherlands.
      • Amino sugar test as replacement for the PSNT in New York? (NY).
  • Past (prior to arrival at Cornell):
    • Titus Tri Wibowo
      • M.Sc. Environmental Sciences, Bogor Agricultural University, Indonesia.
      • Farmers' perspectives on slash-and-burn as a land clearing method in Sumatra (Indonesia).
    • Djunaidy
      • M.Sc. Environmental Sciences, Bogor Agricultural University, Indonesia.
      • Effects of fire intensity on soil microbial properties in Sumatra (Indonesia).
    • Yakub Ambagau'
      • B.Sc. Forestry, Bogor Agricultural University, Indonesia.
      • Forest above ground biomass and composition as affected by fallow age in Sumatra (Indonesia).

Awards:

• 2009 Faculty Teaching Innovation Award. “CALS Students Become Certified Crop Advisors”. One of three projects selected in CALS in 2009.
• 2009 New York Farm Viability Institute "Project Leader of the Year Award". New York Farm Viability Institute Board of Directors.
• 2008 Research Award. Northeastern Branch of Agronomy Society of America, Crop Science Society of America, Soil Science Society of America (NBCSA).
• 2007 Northeast Region Certified Crop Advisors (NRCCA) President's Award for Outstanding Service.
• 2005 NYS Association of County Agricultural Extension Educators (NYSACAA) Outstanding New Publication Award for the series of 56 County-based "Soil Sample Surveys". Co-Awardees: Hettie Krol and Shaw Reid.
• 2004 Faculty Innovative Teaching Award for AS/CSS 412: "Bridging the classroom and the farm for improved whole farm nutrient management." Co-Awardees: Greg Albrecht and Mike Van Amburgh. One of three projects selected within CALS in 2004.
• 2002 Merit Award. Soil and Water Conservation Society, Empire State Chapter. For "Outstanding Effort in Promoting the Conservation of Natural Resources in New York". December 2002.
• 2002 Special Achievement Award. Soil and Water Conservation Society, Empire State Chapter. Award for the entire Cropware Team for "Developing a Computer Software Program to Balance Nutrient Management Budgets and Conserve Natural Resources". December 2002.
• 2001 Affino - Stewart Award. President’s Council of Cornell Women. June 2001.
• First place in Agricultural Sciences in the Edward F. Hayes Graduate Research Forum at the Ohio State University. April 1999.
• International Research Award. International Scholarships Ohio Intern Program. August 1998.
• Graduate Student International Research Travel Grant. May 1998.
• First place in Agricultural Sciences in the Edward F. Hayes Graduate Research Forum at the Ohio State University. April 1998.
• Graduate Student Alumni Research Award. October 1996.
• Mervin G. Smith Memorial Award. International Scholarships Ohio Intern Program. August 1996.
• Multiple-Year European Agricultural Fellowship/Associateship Award. The Ohio State University Graduate School. Fall 1993.

Professional Membership:

• Member, Board of Directors, The Council for Frontiers of Knowledge, Africa. 2012-present.
• Soil and Water Conservation Society. Empire State Chapter. 2000-present.
• American Association for the Advancement of Science. 1999-present.
• Nominated to Phi Beta Delta, Honor Society for International Scholars. 1999-present.
• International Society of Soil Science. 1998-present.
• Sigma Xi, The Scientific Research Society. 1998-present.
• Soil Science Society of America, Agronomy Society of America. 1998-present.
• Honor Society of Phi Kappa Phi. 1995-present.

Ad-hoc Reviewer for:

• Agriculture Ecosystems and Environment.
• Agroforesty Systems.
• Agronomy Journal.
• Ecosystems.
• Environmental Conservation.
• HortScience.
• Journal of Environmental Quality.
• Journal of Soil and Water Conservation.
• Journal of the Royal Society of New Zealand.
• New Zealand Journal of Agricultural Research.
• Soil and Tillage Research.
• Soil Science.
• Soil Science Society of America Journal.
• Soil Use and Management.

Editorial Board:

• Soil Science Society of America Journal (2007-present). Associate Editor. Division S8.
• Forage and Grazinglands (2007-present). Associate Editor.

Other Services: Committees:

• National Agronomy Society of America and Soil Science Society of America ASA/SSSA.
  • S585 Emerging Issues in Soil Science Committee. SSSA. 2006-2009.
  • Women in Agronomy, Crops, Soils and Environmental Sciences Committee. 2006-2009.
• Northeast Region Certified Crop Advisor Board.
  • Vice-chair. 2005-present.
  • Chair of the NE CCE Exam Committee. 2003-present.
  • Chair of the NE CCA Annual Conference Organizing Committee. 2003-present.
  • Member. 2002-present.
• Northeastern Branch of ASA/SSSA/CSSA.
  • Organizer of 2010 NEBCSA meeting at Cornell University.
  • NEBASA Awards Committee. 2001-2005.
  • NEBASA At-Large Branch Director. 2004-2006.
• New York State Agricultural Business Association (NYSABA)
  • Member. 2009-current.
• NY representative for NEC-67. 2001-present.
• NY representative for SERA-17. 2001-present.
• CALS Program Work Teams:
  • Co-chair of "CALS Integrated Nutrient Management PWT" (2001-present).
  • Member "Crop and Soil Management PWT" (2001-present).
  • Member "Dairy PWT" (2008-present).
• Faculty Advisory Committee for the Cornell Nutrient Analyses Laboratory
  • Member. 2001-present.
  • Chair. 2004-present.
• College of Agriculture and Life Science (CALS) Outreach Policy Program Committee.
  • Member. 2005-2007.
• College of Agriculture and Life Science (CALS) Land Grant Mission Task Force.
  • Member. 2006-2007.
• CSS Farm Committee.
  • Member. 2000-2008.
• CSS Web Committee.
  • Member. 2006-2008.
• Environmental Sciences IT Committee.
  • Member. 2006-2008.
• Major organizer in extension events:
  • Northeast Region Certified Crop Advisor Conference
    • 2010 NRCCA Conference. Waterloo, November 30 - December 2, 2010. In preparation.
    • 2009 NRCCA Conference. Waterloo, December 8-10, 2009. ~175 participants.
    • 2008 NRCCA Conference. Waterloo, December 9-11, 2008. ~175 participants.
    • 2007 NRCCA Conference. Waterloo, December 4-6, 2007. ~180 participants
    • 2006 NRCCA Conference. Waterloo, December 5-7, 2006. ~180 participants.
    • 2005 NRCCA Conference. Waterloo, November 29 - December 1, 2005. ~150 participants
    • 2004 NRCCA Conference. Waterloo, November 30 - December 2, 2004. ~140 participants.
    • 2003 NRCCA Conference. Waterloo, December 2-4, 2003. ~100 participants.
  • Nutrient Management Spear Program Retreats
    • 2009 Spring Nutrient Management Spear Program Field Crops Educator Retreat (combined with Animal Science faculty). Ithaca, April 8-9. 44 participants.
    • 2008 Spring Nutrient Management Spear Program Field Crops Educator Retreat. Ithaca, Mt Pleasant, March 31-April 1. 28 participants.
    • 2007 Summer Nutrient Management Spear Program Field Crops Educator Retreat. Ithaca, July 26-27, 2007. 24 participants.
    • 2007 Spring Nutrient Management Spear Program Field Crops Educator Retreat. Ithaca, April 4-5, 2007. 20 participants.
    • 2006 Winter Nutrient Management Spear Program Field Crops Educator Retreat. Ithaca, April 3-4, 2006. 27 participants.
    • 2005 Summer Nutrient Management Spear Program Field Crops Educator Retreat and Weed Days. Valatie, July 5-6, 2005. 22 participants.
    • 2005 Winter Nutrient Management Spear Program Field Crops Educator Retreat. Ithaca, April 5, 2005. 22 participants.
    • 2004 Summer Nutrient Management Spear Program Field Crops Educator Retreat. Ithaca, July 30-August 1, 2004. 22 participants.
    • 2004 Winter Nutrient Management Spear Program Field Crops Educator Retreat. Ithaca, March 29, 2004. 30 participants.
    • 2003 Summer Nutrient Management Spear Program Field Crops Educator Retreat. Ithaca, July 15-16, 2003. 15 participants.
    • 2003 Winter Nutrient Management Spear Program Field Crops Educator Retreat and On-farm Research Workshop. Ithaca, April 1-2, 2003. 22 participants.
    • 2002 Summer Nutrient Management Spear Program Field Crops Educator Retreat. Ithaca, September 2-5, 2003. 19 participants.
    • 2002 Winter Nutrient Management Spear Program Field Crops Educator Retreat. Cortland, April 5, 2003. 17 participants.
    • 2001 Summer Nutrient Management Spear Program Field Crops Educator Retreat. Ithaca, July 24-26, 2003. 19 participants.
    • 2001 Winter Nutrient Management Spear Program Field Crops Educator Retreat. Cortland, January 22, 2001. 19 participants
• Regular presenter in recurring extension events:
  • NRCCA Conference.
  • CNMP Training ("March Water Quality Symposium").
  • Field Crops Dealer Meetings.
  • Aurora Research Farm Field Day.
  • November Ag InService.
  • Various extension educator field days.

Software packages originating in the Spear Program (downloadable: http://nmsp.cals.cornell.edu/software/index.php):

• Cornell Cropware. NRCS approved Crop and Manure Nutrient Management Software for New York.
• NY P Index Excel Spreadsheet. Excel spreadsheet and on-web tool.
• Soil Test Conversions for the Northeast. Excel spreadsheet and on-web tool.
• Nitrogen Guidelines (sod and manure credits). Excel spreadsheets.
• Whole Farm Mass Nutrient Balance. Excel spreadsheet.

Peer-Reviewed Publications (journal articles):

1. Swink, N., Q.M. Ketterings, L.E. Chase, K.J. Czymmek; M.E. Van Amburgh (2011). Nitrogen balances for New York State: Implications for manure and fertilizer management. Journal of Soil and Water Conservation (in press).
2. Ketterings, Q.M., K.J. Czymmek, and S.N. Swink (2011). Evaluation methods for a combined research and extension program used to address starter phosphorus fertilizer use for corn in New York. Canadian Journal of Soil Science (in press).
3. Parsons, D., C.F. Nicholson, R.W. Blake, Q.M. Ketterings, L. Ramírez-Aviles, J.H. Cherney, and D.G. Fox (2010). Application of a simulation model for assessing integration of smallholder shifting cultivation and sheep production in Yucatán, Mexico. Agricultural Systems (in press).
4. Parsons, D, C.F. Nicholson, R.W. Blake, Q.M. Ketterings, L. Ramírez-Aviles, D.G. Fox, L.O. Tedeschi, J.H. Cherney (2010). Development and evaluation of an integrated simulation model for assessing smallholder crop-livestock production in Yucatán, Mexico. Agricultural Systems (in press).
5. Janzen, H.H., P. Fixen, A.J. Franzluebbers, J. Hattey, R.C. Izaurralde, Q. M. Ketterings, D.A. Lobb, W.H. Schlesinger (2010). Global prospects are rooted in Soil Science. Soil Science Society of America Journal (in press).
6. Parsons, D., Q.M. Ketterings, J.H. Cherney, R.W. Blake, L. Ramirez-Aviles, C.F. Nicholson (2010). Effects of weed control and manure application on nutrient fluxes in the shifting cultivation milpa system of Yucatan. Archives of Agronomy and Soil Science (in press).
7. Chunyu, S., and Q.M. Ketterings (2010). Impact of soil temperature and moisture on Mehlich-3 and Morgan soil test phosphorus. Soil Science. doi: 10.1097/SS.0b013e3181f850d4.
8. Grandt, S., Q.M. Ketterings, A.J. Lembo Jr., and F. Vermeylen (2010). In-field spatial variability of soil test phosphorus and implications for agronomic and environmental phosphorus management. Soil Science Society of America Journal 74:1800-1807.
9. Maguire, R.O., P.J.A. Kleinman, C. Dell, D.B. Beegle, R.C. Brandt, J.M. Mcgrath, and Q.M. Ketterings (2010). Manure application technology in reduced tillage and forage systems; a review. Journal of Environmental Quality. doi:10.2134/jeq2009.0228.
10. Cherney, J.H., Q.M. Ketterings. M. Davis, and D.J.R. Cherney (2010). Split application of nitrogen vs. dairy manure on temperate perennial grasses. Forage and Grazinglands Forage and Grazinglands doi:10.1094/FG-2010-02XX-01-RS.
11. Cherney, J.H., Q.M. Ketterings, D.J. Cherney, M.H. Davis. (2010). Timing of semisolid dairy manure application does not affect yield and quality of orchardgrass. Agron. J. 102:537-543.
12. Turan, M., Q. M. Ketterings, A. Gunes, N. Ataoglu, A.V. Bilgili, and Y. Ming Huang (2010). Boron fertilization of mediterranean Aridisols improves lucerne (Medicago sativa L.) yields and quality. Acta Agriculturae Scandinavica, Section B - Plant Soil Science 60:427-436.
13. Medvecky*, B.A., and Q.M. Ketterings (2009). Incorporation of legumes residues does not increase productivity of intercropped beans on smallholder farms in Trans-Nzoia District, Kenya. Biological Agriculture and Horticulture 26(4): 323-335.
14. Parsons*, D., L. Ramirez-Aviles, J.H. Cherney, Q.M. Ketterings, R.W. Blake, and C.F. Nicholson (2009). Managing maize production in shifting cultivation milpa systems in Yucatan, through weed control and manure application. Agriculture, Ecosystems and Environment 133: 123-134.
15. Hunter, M., Q.M. Ketterings, J.H. Cherney, P. Barney, T. Kilcer, and G. Godwin (2009). Nitrogen needs of teff (Eragrostis tef (Zucc. Trotter) managed as forage crop in New York. Forage and Grazinglands DOI:10.1094/FG-2009-0612-01-RS.
16. Gunes, A., N. Ataoglu, M. Turan, A. Esitken, and Q.M. Ketterings (2009). Effects of phosphate-solubilizing micro-organisms on strawberry yield and nutrient concentrations. Journal of Plant Nutrition and Soil Science DOI:10.1002/jpln.200800121.
17. Swink*, S.N., Q.M. Ketterings, L.E. Chase, and K.J. Czymmek, and J.C. Mekken* (2009). Past and future phosphorus balances for agricultural cropland in New York State. Journal of Soil and Water Conservation 64(2):120-133.
18. Dietzel*, K., Q.M. Ketterings, and R. Rao (2009). Predictors of lime needs for pH and aluminum management of New York agricultural soils. Soil Science Society of America Journal 74(2): 443-448.
19. Turan, M., F.M., Kiziloglu, and Q.M. Ketterings (2009). Phosphorus management of Lucerne grown on calcareous soil in Turkey. Journal of Plant Nutrition 32: 516-535.
20. Lawrence*, J.R., Q.M. Ketterings, M.G. Goler*, J.H. Cherney, W.J. Cox and K.J. Czymmek (2009). Accuracy of the Illinois Soil Nitrogen Test (ISNT) in predicting N responsiveness of corn in rotation. Soil Science Society of America J. 73(1): 303-311.
21. Turan, M., A. Dursun, N. Ataoglu, A. Gunes, M. Ekinci, T. Oztas, Q.M. Ketterings, Y. Ming Huang (2009). Yield and chemical composition of Brussels sprout (Brassica oleracea L. gemmifera) as affected by boron management. HortScience 44(1):176-182.
22. Soldat*, D., M. Petrovic, and Q.M. Ketterings (2008). The effect of soil phosphorus levels on phosphorus runoff concentrations from turfgrass. Water, Air, and Soil Pollution DOI:10.1007/211270-008-9857-y.
23. Lawrence*, J.R., Q.M. Ketterings, J.H. Cherney, S.E. Bossard, G.S. Godwin* (2008). Tillage tools for manure incorporation and N conservation. Soil Science 173: 649-658.
24. Lawrence*, J.R., Q.M. Ketterings and J.H. Cherney (2008). Effect of nitrogen application on yield and quality of first year corn. Agronomy Journal 100: 73-79.
25. Angin, I., M. Turan, Q.M. Ketterings, and A. Cakici (2008). Humic acid addition enhances B and Pb phytoextraction by vetiver grass (Vetiveria zizanioides l. Nash). Water, Air and Soil Pollution 188: 335-343.
26. Swink*, S.N., Q.M. Ketterings, W.J. Cox (2007). Nitrogen fertilizer replacement value of soybean for corn. Online. Crop Production DOI:10.1094/CM-2007-1005-01-RV.
27. Ketterings, Q.M., J.H. Cherney, G. Godwin*, T.F. Kilcer, P. Barney, and S. Beer (2007). Nitrogen management of brown midrib sorghum x sudangrass in the Northeastern USA. Agronomy Journal 99: 1345–1351.
28. Haden*, V.R., Q.M. Ketterings, and J.E. Kahabka* (2007). Factors affecting the change in soil test P levels following manure and fertilizer application. Soil Science Society of American Journal 71: 1225-1232.
29. Ketterings, Q.M., E. Frenay*, J.H. Cherney, K.J. Czymmek, S.D. Klausner, L.E. Chase, Y.H. Schukken (2007). Applying manure to established alfalfa-grass stands. Online. Forage and Grazinglands DOI: 10.1094/FG-2007-0418-01-RV.
30. Brock*, E.H., Q.M. Ketterings, and P.J.A. Kleinman (2007). Measuring and predicting the phosphorus sorption capacity of manure amended soils. Soil Science 172: 266-278.
31. Brock*, E.H., Q.M. Ketterings, and P.J.A. Kleinman (2007). Phosphorus leaching through intact soil cores as influenced by type and duration of manure application. Nutrient Cycling and Agroecosystems 77: 269-281. DOI: 10.1007/s10705-006-9065-3.
32. Medvecky*, B.A, Q.M. Ketterings and E.B. Nelson (2007). Relationships among soilborne bean seedling diseases, Lablab purpureus L. and maize stover residue management, bean insect pests, and soil characteristics in Trans Nzoia district, Kenya. Applied Soil Ecology 35: 107-119.
33. Özgül, M, M. Turan, and Q.M. Ketterings (2007). Short- and long-term phosphorus availability in four soil orders under native vegetation in Turkey. Acta Agriculturæ Scandinavica Section B, Soil and Plant Science. DOI: 10.1080/09064710601029695.
34. Ketterings, Q.M., Godwin*, G., T.F. Kilcer, P. Barney, M. Hunter, J.H. Cherney, and S. Beer (2006). Nitrogen, phosphorus, potassium, magnesium and calcium removal by brown midrib sorghum sudangrass in the Northeastern USA. Journal of Agronomy and Crop Science 192: 408-416.
35. Ketterings, Q.M., G.L Albrecht*, C.N. Rasmussen*, and K.J. Czymmek (2006). Cornell Cropware: Decision support tool for fertilizer and manure nutrient management planning. Journal of Natural Resources and Life Sciences Education 35: 140-151.
36. Klapwyk*, J.H., Q.M. Ketterings, G.S. Godwin*, M. Wang* (2006). Response of the Illinois Soil Nitrogen Test to liquid and composted dairy manure application in a corn agroecosystem. Canadian Journal of Soil Science 86: 655-663.
37. Brock, E.H., Q.M. Ketterings, and M. McBride (2006). Copper and zinc accumulation in dairy and poultry amended soils. Soil Science 171: 388-399.
38. Medvecky*, B.A., Q.M. Ketterings, and F. Vermeylen (2006). Bean seedling damage by root-feeding grubs in Kenya as influenced by planting time, cultivar, and crop residue management. Applied Soil Ecology 34: 240-249.
39. Klapwyk*, J.H., and Q.M. Ketterings (2006). Soil nitrogen tests for predicting if corn will respond to nitrogen fertilizer in New York. Agronomy Journal 98: 675-681.
40. Woods*, M.S., F.S. Rossi, and Q.M. Ketterings (2006). Potassium supply rate as measured by exchange membranes in a calcareous sand. Applied Turfgrass Science DOI:10.1094/ATS-2006-0323-01-RS.
41. Albrecht*, G.L., Q.M. Ketterings, K.J. Czymmek, M. van Amburgh, and D.G. Fox (2006). Whole Farm Nutrient Management: Capstone course on environmental management of dairy farms. J. Natural Resources and Life Science Education 35: 12-23.
42. Woods*, M.S., Q.M. Ketterings, F.S. Rossi and M. Petrovic (2006). Potassium availability indices and turfgrass performance in a calcareous sand putting green. Crop Science 46: 381-389.
43. Sato, S., D. Solomon, C. Hyland*, Q.M. Ketterings, and J. Lehmann (2005). Phosphorus speciation in manure and manure-amended soils using XANES spectroscopy. Environmental Science and Technology 39: 7485-7491.
44. Woods*, M.S., Q.M. Ketterings, and F.S. Rossi (2005). Effects of potassium application on calcium and magnesium availability in a calcareous sand. International Turfgrass Society Research Journal 10: 1015-1020.
45. Lehmann, J., Z. Lan, C. Hyland*, S. Sato, D. Solomon, and Q.M. Ketterings. Long-term dynamics of phosphorus forms and retention in manure-amended soils (2005). Environmental Science and Technology 39: 6672-6680.
46. Burgers, P., Q.M. Ketterings, and D.P. Garrity (2005). Fallow management strategies and issues in Southeast Asia. Agriculture Ecosystems and Environment 110: 1-13.
47. Ketterings, Q.M., S.N. Swink*, G. Godwin*, K.J. Czymmek, and G.L. Albrecht* (2005). Maize silage yield and quality response to starter phosphorus fertilizer in high phosphorus soils in New York. J. Food, Agriculture and Environment 3: 360-365.
48. Klapwyk*, J.H., and Q.M. Ketterings (2005). Reducing laboratory variability of the Illinois soil N test with enclosed griddles. Soil Sci. Soc. of America J. 69: 1129-1134.
49. Ketterings, Q.M. and M. Flock (2005). Comparison of Bray-1 and Mehlich-3 tests in high phosphorus soils. Soil Science 170: 212-219.
50. Woods*, M.S., Q.M. Ketterings, and F.S. Rossi (2005). Effectiveness of standard soil tests for assessing potassium availability in sand rootzones. Soil Science 170: 110-119.
51. Ketterings, Q.M., J. Kahabka*, and W.S. Reid (2005). Trends in phosphorus fertility of New York agricultural land. Journal of Soil and Water Conservation 59: 10-20.
52. Ketterings, Q.M., G. Godwin*, J.H. Cherney, and T.F. Kilcer (2005). Potassium management for brown midrib sorghum x sudangrass in the Northeast. Journal of Agronomy and Crop Science 191: 41-46.
53. Kilcer, T.F., Q.M. Ketterings, J.H. Cherney, P. Cerosaletti and P. Barney (2005). Optimum stand height for forage brown midrib sorghum x sudangrass in Northeastern USA. Journal of Agronomy and Crop Science 191: 35-40.
54. Ketterings, Q.M., J.H. Cherney, T.F. Kilcer, and P. Cerosaletti (2004). Phosphorus removal by sorghum sudangrass in Northeastern USA. Online. Forage and Grazinglands DOI:10.1094/FG-2004-1015-01-RS.
55. Cherney, J.H., Q.M. Ketterings, and J.L. Orloski* (2004). Plant and soil elemental status as influenced by multi-year nitrogen and potassium fertilization. Journal of Plant Nutrition 27: 991-1014.
56. Rodenburg, J., A. Stein, M. Van Noordwijk, and Q.M. Ketterings (2003). Spatial variability of soil pH and phosphorus in relation to soil run-off following slash-and-burn land clearing in Sumatra, Indonesia. Soil and Tillage Research 71: 1-14.
57. Ketterings, Q.M., K.J. Czymmek, W.S. Reid and R.F. Wildman (2002). Conversion of modified Morgan and Mehlich-III soil tests to Morgan soil test values. Soil Science 167: 830-837.
58. Van Es, H., K.J. Czymmek and Q.M. Ketterings (2002). Management effects of N leaching and guidelines for an N leaching index in New York. Journal of Soil and Water Conservation 57: 499-504.
59. Tomich, T.P., H. de Foresta, R. Dennis, Q.M. Ketterings, D. Murdiyarso, C.A. Palm, F. Stolle, Suyanto, and M. van Noordwijk (2002). Carbon offsets for conservation and development in Indonesia? American Journal of Alternative Agriculture 17(2): 125-137.
60. Ketterings, Q.M., M. Van Noordwijk, and J.M. Bigham (2002). Soil phosphorus availability after slash-and-burn fires of different intensities in rubber agroforests in Sumatra, Indonesia. Agriculture, Ecosystems and Environment 92: 37-48.
61. Ketterings, Q.M., R. Coe, M. Van Noordwijk, Y. Ambagau’*, and C.A. Palm (2001). Reducing uncertainty in the use of allometric biomass equations for predicting above ground tree biomass in mixed secondary forests. Forest Ecology and Management 146: 201-211.
62. Ketterings, Q.M. and J.M. Bigham (2000). Soil color as an indicator of slash-and-burn fire severity and soil fertility in Sumatra, Indonesia. Soil Science Society of America Journal 64: 1826-1833.
63. Ketterings, Q.M., J.M. Bigham, and V. Laperche (2000). Changes in soil mineralogy and texture caused by slash-and-burn fires in Sumatra, Indonesia. Soil Science Society of America Journal 64: 1108-1117.
64. Ketterings, Q.M., T.T. Wibowo*, M. Van Noordwijk, and E. Penot (1999). Farmers’ perspectives on slash-and-burn as a land clearing method for small-scale rubber producers in Sepunggur, Jambi Province, Sumatra, Indonesia. Forest Ecology and Management 120: 157-169.
65. Bohlen, P.J., R.W. Parmelee, M.F. Allen, and Q.M. Ketterings (1999). Differential effects of earthworms on nitrogen cycling from various 15N-labeled substrates. Soil Science Society of America Journal 63: 882-890.
66. Ketterings, Q.M., J.M. Blair and J.C.Y. Marinissen (1997). The effects of earthworm activity on soil aggregate stability and C and N storage in a legume cover crop based agroecosystem. Soil Biology and Biochemistry 29: 401-408.

Extension Publications:

1. Hong, E., Q.M Ketterings, G. Godwin, S. Gami, and S. Wharton (2010). Effect of sampling height and length on corn stalk nitrate test results. What’s Cropping Up? 20(2): 9-11.
2. Czymmek, K.J., and Q.M. Ketterings (2010). Troubleshooting 2009 corn crop nitrogen fertilization practices. NEDPA Proceedings 2010: 107-110.
3. Godwin, G., Q.M. Ketterings, T. Kilcer and K.J. Czymmek (2010). Impact of nitrogen fertilizer source on corn yield and quality. What’s Cropping Up? 20(1): 5-7.
4. Czymmek, K.J., and Q.M. Ketterings (2010). Managing potash in a dairy rotation. Eastern DairyBusiness 2(2): 12-13.
5. Ketterings, Q.M., J. Lawrence, G. Godwin, N. Glazier, P. Barney, and K.J. Czymmek (2009). Evaluation of ISNT-based nitrogen management for multi-year corn sites. What’s Cropping Up? 19(3): 10-11.
6. Godwin, G., Q.M. Ketterings. C.L. Mohler, B. Caldwell, and K.J. Czymmek (2009). Impact of clover incorporation and ammonium nitrate sidedressing on ammonium, nitrate, and Illinois Soil Nitrogen Test dynamics over time. What’s Cropping Up? 19(3): 12-15.
7. Cox, W., P. Atkins, and Q.M. Ketterings (2009). Nitrogen sidedress rates on corn following soybeans. What’s Cropping Up? 19(2): 6.
8. Swink*, S.N. Q.M. Ketterings, K.J. Czymmek, L.E. Chase, and J. Mekken* (2009). Upper Susquehanna River Watershed cropland P balances. What’s Cropping Up 19(2): 1-3.
9. Place*, A., Q.M. Ketterings, G. Godwin, K.J. Czymmek, S. Bossard, P. Barney, J. Lawrence, B. Aldrich, T. Kilcer (2009). Comparing manure incorporation methods in reduced till systems. What’s Cropping Up 19(2): 4-5.
10. Czymmek, K.J., and Q.M. Ketterings (2009). Can you replace starter N with manure? Eastern DairyBusiness 1(2): 19.
11. Ketterings, Q.M., J.H. Cherney, and K.J. Czymmek (2009). 10 tips to manage manure on alfalfa-grass fields. Eastern DairyBusiness 1(2): 20 (+23).
12. Ketterings, Q.M., and K.J. Czymmek (2009). Getting a good read on P. Eastern DairyBusiness 1(2): 21 (+23).
13. Czymmek, K.J., Q.M. Ketterings, and J.H. Cherney (2009). Potassium management makes good sense. Eastern DairyBusiness 1(2): 22-23.
14. Czymmek, K. and Q.M. Ketterings (2009). A one-two punch for corn N management. The Manager. Eastern DairyBusiness 1(1): 22-23.
15. Swink, S., Q.M. Ketterings, K. Czymmek and L. Chase (2009). Dairies improve P management. The Manager. Eastern Dairybusiness 1(1): 20-21.
16. Bruulsema, T. and Q.M. Ketterings (2008). Best management for fertilizers on Northeastern dairy farms. IPNI. 7 pages.
17. Ketterings, Q.M., S. Swink*, S. Duiker, K.J. Czymmek, D. Beegle, and W. Cox (2008). Nitrogen benefits of winter cover crops. Agronomy Fact Sheet 43. What’s Cropping Up? 18(6): 8-9.
18. Ketterings, Q.M, J.H. Cherney, K.J. Czymmek, E. Frenay*, S.D. Klausner, L.E. Chase and Y.H. Schukken (2008). New bulletin: manure use for alfalfa-grass production. What’s Cropping Up? 18(5): 7-8.
19. Swink*, S., Q.M. Ketterings, K.J. Czymmek, and L.E. Chase (2008). Proactive agricultural and environmental management by New York dairy farmers greatly reduced cropland P balances. What’s Cropping Up? 18(5): 1-4.
20. Cox, W., P. Atkins, and Q.M. Ketterings (2008). Topdress N rate studies on soft white winter wheat in 2007 and 2008. What’s Cropping Up? 18(4): 6-7.
21. Ketterings, Q.M., J.H. Cherney, K.J. Czymmek, E. Frenay*, S.D. Klausner, L.E. Chase, and Y.H. Schukken (2008). Manure use for alfalfa-grass production. Department of Animal Science Mimeo 231/Department of Crop and Soil Sciences Extension Series E08-3. Cornell University. 43 pages.
22. Lawrence*, J.R., Q.M. Ketterings, and K.J. Czymmek (2008). Illinois Soil N Test (ISNT) useful tool for NYS corn producers. What’s Cropping Up? 18(3): 4-5.
23. Cox, W., Q.M. Ketterings, W.S. Reid and K.J. Czymmek (2008). Spring N management on winter wheat in New York? What’s Cropping Up? 18(1): 12-14.
24. Rao, R., C.P. Mazza, J. Ameroso, Q.M. Ketterings, and H. Krol* (2008). New York City Soil Sample Survey (2002-2006). CSS Extension Bulletin E08-2. 55 pages.
25. Rao, R., R. Tindell, Q.M. Ketterings, and H. Krol* (2008). Erie County Soil Test Summary (2002-2006). CSS Extension Bulletin E08-1. 28 pages.
26. Lawrence*, J. Q.M. Ketterings, S. Bossard, K. Czymmek (2007). Manure N conservation with chisel plow versus Aerway incorporation. What’s Cropping Up? 17(4): 1-3.
27. Rao, R., J.J. Schell, Q.M. Ketterings, and H. Krol* (2007). Schoharie County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-55. 22 pages.
28. Rao, R., R. Tuthill, Q.M. Ketterings, and H. Krol* (2007). Nassau County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-54. 14 pages.
29. Rao, R., S. Beebe, Q.M. Ketterings, and H. Krol* (2007). Saratoga County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-53. 29 pages.
30. Rao, R., D. Sloman, Q.M. Ketterings, and H. Krol* (2007). Otsego County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-52. 29 pages.
31. Rao, R., B. Armata, Q.M. Ketterings, and H. Krol* (2007). Herkimer County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-51. 24 pages.
32. Rao, R., S. Place, R. Hargrave, Q.M. Ketterings, and H. Krol* (2007). Chenango County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-50. 20 pages.
33. Rao, R., C. Stewart, Q.M. Ketterings, and H. Krol* (2007). Montgomery County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-49. 20 pages.
34. Rao, R., C. Stewart, Q.M. Ketterings, and H. Krol* (2007). Fulton County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-48. 20 pages.
35. Rao, R., J. Walsh, Q.M. Ketterings, and H. Krol* (2007). Sullivan County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-47. 35 pages.
36. Rao, R., D. Moyer, Q.M. Ketterings, and H. Krol* (2007). Suffolk County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-46. 34 pages.
37. Rao, R., D. Olsen, Q.M. Ketterings, and H. Krol* (2007). Putnam County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-45. 21 pages.
38. Rao, R., P. Trader, Q.M. Ketterings, and H. Krol* (2007). Rockland County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-44. 21 pages.
39. Rao, R., N. Herendeen, Q.M. Ketterings, and H. Krol* (2007). Wayne County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-43. 35 pages.
40. Rao, R., N. Herendeen, Q.M. Ketterings, and H. Krol* (2007). Orleans County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-42. 35 pages.
41. Rao, R., J. Degni, Q.M. Ketterings, and H. Krol* (2007). Tompkins County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-41. 34 pages.
42. Rao, R., J. Degni, Q.M. Ketterings, and H. Krol* (2007). Tioga County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-40. 30 pages.
43. Rao, R., J. Degni, Q.M. Ketterings, and H. Krol* (2007). Cortland County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-39. 31 pages.
44. Rao, R., J. Degni, Q.M. Ketterings, and H. Krol* (2007). Broome County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-38. 30 pages.
45. Rao, R., C. Kyle, Q.M. Ketterings, and H. Krol* (2007). Onondaga County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-37. 35 pages.
46. Rao, R., N. Herendeen, Q.M. Ketterings, and H. Krol* (2007). Niagara County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-36. 32 pages.
47. Rao, R., N. Herendeen, Q.M. Ketterings, and H. Krol* (2007). Monroe County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-35. 34 pages.
48. Rao, R., B. Aldrich, Q.M. Ketterings, and H. Krol* (2007). Cayuga County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-34. 34 pages.
49. Rao, R., M. Bessire, Q.M. Ketterings, and H. Krol* (2007). Greene County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-33. 31 pages.
50. Rao, R., N. Herendeen, Q.M. Ketterings, and H. Krol* (2007). Yates County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-32. 34 pages.
51. Rao, R., N. Herendeen, Q.M. Ketterings, and H. Krol* (2007). Genesee County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-31. 33 pages.
52. Rao, R., N. Herendeen, Q.M. Ketterings, and H. Krol* (2007). Ontario County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-30. 35 pages.
53. Rao, R., N. Herendeen, Q.M. Ketterings, and H. Krol* (2007). Livingston County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-29. 34 pages.
54. Rao, R., K. Green, Q.M. Ketterings, and H. Krol* (2007). Oswego County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-28. 33 pages.
55. Rao, R., S.D. Mallozzi, Q.M. Ketterings, and H. Krol* (2007). Dutchess County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-27. 34 pages.
56. Rao, R., M. Fargione, Q.M. Ketterings, and H. Krol* (2007). Ulster County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-26. 34 pages.
57. Haden, R., Q.M. Ketterings, J. Kahabka, and K.J. Czymmek (2007). How quickly will soil test P levels increase? What’s Cropping Up? 17(3): 3-4.
58. Rao, R., K. Evans, Q.M. Ketterings, and H. Krol* (2007). Madison County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-25. 34 pages.
59. Rao, R., C. Logue, Q.M. Ketterings, and H. Krol* (2007). Schenectady County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-24. 19 pages.
60. Rao, R., A. Gabriel, Q.M. Ketterings, and H. Krol* (2007). Washington County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-23. 33 pages.
61. Rao, R., B. Tillapaugh, Q.M. Ketterings, and H. Krol* (2007). Wyoming County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-22. 35 pages
62. Rao, R., L. Hulle, Q.M. Ketterings, and H. Krol* (2007). Orange County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-21. 34 pages.
63. Rao, R., M. Dennis, Q.M. Ketterings, and H. Krol* (2007). Seneca County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-20. 32 pages.
64. Rao, R., D. Dewing, Q.M. Ketterings, and H. Krol* (2007). Delaware County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-19. 35 pages.
65. Rao, R., T. Kilcer, Q.M. Ketterings, and H. Krol* (2007). Rensselaer County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-18. 35 pages.
66. Rao, R., T. Gallagher, Q.M. Ketterings, and H. Krol* (2007). Albany County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-17. 34 pages.
67. Rao, R., S. Hadcock, Q.M. Ketterings, and H. Krol* (2007). Columbia County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-16. 35 pages.
68. Rao, R., J.G. Lee, G.G. Giordano, Q.M. Ketterings, and H. Krol* (2007). Westchester County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-15. 19 pages.
69. Rao, R., J. Miller, Q.M. Ketterings, and H. Krol* (2007). Oneida County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-14. 36 pages.
70. Rao, R., D. Sprague, Q.M. Ketterings, and H. Krol* (2007). Cattaraugus County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-12. 33 pages.
71. Rao, R., D. Sprague, Q.M. Ketterings, and H. Krol* (2007). Chautauqua County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-11. 34 pages.
72. Rao, R., D. Sprague, Q.M. Ketterings, and H. Krol* (2007). Allegany County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-10. 33 pages.
73. Rao, R., B Chedzoy, C. Albers, E. Dalrymple, Q.M. Ketterings, and H. Krol* (2007). Schuyler County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-9. 32 pages.
74. Rao, R., C. Albers, Q.M. Ketterings, and H. Krol** (2007). Steuben County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-8. 34 pages.
75. Rao, R., J. Grace, C. Albers, M. Watts, Q.M. Ketterings, and H. Krol** (2007). Chemung County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-7. 32 pages.
76. Rao, R. A., Deming, Q.M. Ketterings, and H. Krol** (2007). Essex County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-6. 34 pages.
77. Rao, R., M. Hunter, Q.M. Ketterings, and H. Krol** (2007). Jefferson County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-5. 36 pages.
78. Rao, R. A. Ivy, Q.M. Ketterings, and H. Krol** (2007). Clinton County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-4. 33 pages.
79. Rao, R., C. Tillinghast, Q.M. Ketterings, and H. Krol** (2007). Franklin County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-3. 32 pages.
80. Rao, R., P. Barney, Q.M. Ketterings, and H. Krol** (2007). St. Lawrence County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-2. 35 pages.
81. Rao, R., J. Lawrence*, S. Place*, Q.M. Ketterings, and H. Krol** (2007). Lewis County Soil Test Summary (2002-2006). CSS Extension Bulletin E07-1. 34 pages.
82. Lawrence*, J., J.H. Cherney, P. Barney, and Q.M. Ketterings (2007). Switchgrass management in New York State. What’s Cropping Up? 17(2): 2-3.
83. Ketterings, Q.M., and K.J. Czymmek (2007). New York corn producers make a difference! Phosphorus fertilizer imports 2003-2005 reduced by 26.7 million lbs of P2O5. What’s Cropping Up? 17(2): 4.
84. Lawrence*, J., Q.M. Ketterings, K.J. Czymmek, and G. Godwin* (2007). Nitrogen savings for first year corn.  What’s Cropping Up? 17(1): 1-2.
85. Ketterings, Q.M., and K.J. Czymmek (2007). Are manure and established alfalfa a good mix? The Manager. Northeast DairyBusiness 9(2): 14-15.
86. Lawrence*, J., Q.M. Ketterings, K.J. Czymmek, and G. Godwin (2007). Save on nitrogen costs. The Manager. Northeast DairyBusiness 9(2): 16-17.
87. Lawrence*, J. Q.M. Ketterings, K.J. Czymmek (2007). What’s next for the Corn N Project? The Manager. Northeast DairyBusiness 9(2): 19.
88. Ketterings, Q.M., K.J. Czymmek, S. Swink* (2007). The state of New York’s phosphorus balance. The Manager. Northeast DairyBusiness 9(2): 20-21.
89. Czymmek, K.J., and Q.M. Ketterings (2007). Attend to lime. The Manager. Northeast DairyBusiness 9(2): 26.
90. Ketterings, Q.M., J. Lawrence*, K.J. Czymmek and G. Godwin* (2006). Do we need additional nitrogen for corn? In: Field Crop Dealer Meetings, Department of Crop and Soil Sciences Extension Series No E06-4, October 24-27, 2006. p 5.
91. Ketterings, Q.M., E. Frenay*, J.H. Cherney, K.J. Czymmek, S. Klausner, L.E. Chase, and Y.H. Schukken (2006). Application of manure to established stands of alfalfa and alfalfa-grass (2006). In: Field Crop Dealer Meetings, Department of Crop and Soil Sciences Extension Series No E06-4, October 24-27, 2006. p 515.
92. Ketterings, Q.M., C. Rasmussen*, and K.J. Czymmek (2006). Integrated Nutrient Management; Crossing Discipline boundaries for improved farm sustainability. Contribute to Danny Fox. 2006 Cornell Nutrition Conference for feed manufacturers. Syracuse, NY. October 24-26, 2006. pp 39-44.
93. Mekken*, J.C., S.N. Swink*, and Q.M Ketterings (2006). Statewide and country-based phosphorus balances for New York State. Department of Crop and Soil Sciences Extension Series E06-03. Cornell University, Ithaca, NY. 126 pages.
94. Ketterings, Q.M., W.S. Reid, and K.J. Czymmek (2006). Lime guidelines for field crops in New York. Department of Crop and Soil Sciences Extension Series E06-02. Cornell University, Ithaca, NY. 35 pages.
95. Ketterings, Q.M., J. Klapwyk*, and K.J. Czymmek (2006). Nitrogen management tools for corn. The Manager. Northeast Dairy Business 8(4): 34-35.
96. Ketterings, Q.M., and K.J. Czymmek (2006). Which fields need extra N? The Manager. Northeast Dairy Business 8(4): 24 and 33.
97. Czymmek, K.J., Q.M. Ketterings, C. Rasmussen* and L. Chase (2006). Striking the right balance. The Manager. Northeast Dairy Business 8(4): 21-22.
98. Ketterings, Q.M., G. Godwin*, T.F. Kilcer, P. Barney, M. Hunter, J.C. Cherney, and S. Beer (2006). Nitrogen, phosphorus, and potassium removal by brown midrib sorghum sudangrass. What’s Cropping Up? 16(1): 4-6.
99. Rasmussen*, C.N., Q.M. Ketterings, G. Albrecht*, L. Chase, and K.J. Czymmek (2006). Mass nutrient balances – a management tool for New York dairy and livestock farms. In Silage for Dairy Farms; Growing, Harvesting, Storing, and Feeding. NRAES Conference. Harrisburg, PA, January 23-25. Pages 396- 414.
100. Rasmussen*, C.N., Q.M. Ketterings, J. Mekken*, K.J. Czymmek and L.E. Chase (2005). Statewide and whole farm phosphorus balances- tools to help with long-term nutrient planning on dairy and livestock farms. What’s Cropping Up? 15(6): 7-9.
101. Klapwyk*, J., Q.M. Ketterings, G. Godwin*, N. Galens*, and D. Wang* (2005). Illinois soil N test (aminosugar N test) for determining if corn needs additional N – update on 3 years of NY research. In: Field Crop Dealer Meetings, Department of Crop and Soil Sciences Extension Series No E05-1, October 25-28, 2005. pages 13-14.
102. Ketterings, Q.M., C. Rasmussen, J. Mekken*, and K. Czymmek (2005). Statewide, County-based and whole farm nutrient balances. Tools to help with long-term nutrient planning. In: Field Crop Dealer Meetings, Department of Crop and Soil Sciences Extension Series No E05-1, October 25-28, 2005. pages 19-21.
103. Brock*, E., Q.M. Ketterings, and M. McBride (2005). Copper and zinc accumulation in manured soils. What’s Cropping Up? 15(5): 5-7.
104. Ketterings, Q.M., G. Godwin*, T.F. Kilcer, P. Barney, M. Hunter, J.H. Cherney, and S. Beer (2005). Nitrogen management for brown midrib sorghum sudangrass: Results of six NY field studies in 2004. What’s Cropping Up? 15(4): 4-7.
105. Ketterings, Q.M., and K.J. Czymmek (2005). What you need to know about N. Nutrient Management. April 2005. The Manager. Northeast Dairy Business 7(4): 32-33.
106. Czymmek, K.J., and Q.M. Ketterings (2005). Get the most out of the PSNT. Nutrient Management. April 2005. The Manager. Northeast Dairy Business 7(4): 32-33.
107. Ketterings, Q.M., and K.J. Czymmek (2005). How much P is enough? Nutrient Management. April 2005. The Manager. Northeast Dairy Business 7(4): 37 and 39.
108. Czymmek, K.J., Q.M. Ketterings, J. Ten Eyck, and T. Horvath (2005). The New York CAFO Program: successfully connecting science, policy, regulation, and implementation. New York Water Environmental Association Inc. Clearwaters Magazine 35(1): 27-28. http://http://www.nywea.org/clearwaters/05-1-spring/.
109. Czymmek, K.J., Q.M. Ketterings, and G.L. Albrecht* (2005). Dairy producers: is it time to take a look at your phosphorus fertilizer rates for corn? Small Farms Quarterly Spring 2005 (April 11, 2005). Page 8.
110. Czymmek, K.J., D. Beegle, and Q.M. Ketterings (2005). Implications of agronomic and environmental considerations in land application of manure in dairy farm systems of the Northeast and Mid-Atlantic Regions of the United States. NRAES Conference. March 15-17, 2005. Dairy Manure Management: Treatment, Handling and Community Relations. NRAES-176. pp 1-10. Also appeared in Ag Nutrient Management 2(2)(2006): 6-12.
111. Czymmek, K.J., L.D. Geohring, Q.M. Ketterings, P. Wright, and A. Eaton (2005). Supplemental manure spreading guidelines to reduce water contamination risk during adverse weather conditions. What’s Cropping Up? 15(3): 1-3.
112. Ketterings, Q.M., J.H. Cherney, T.F. Kilcer, and P. Cerosaletti (2005). Phosphorus removal by brown midrib sorghum x sudangrass. What’s Cropping Up? 15(1): 5-7.
113. Ketterings, Q.M., G. Albrecht*, M. Hunter, P. Carey, S.N. Swink*, and K.J. Czymmek (2004). Whole farm corn starter phosphorus fertilizer imports. What’s Cropping Up? 14(6): 3-5.
114. Ketterings, Q.M., J.E. Kahabka*, and W.S. Reid (2004). The phosphorus fertility status of New York agricultural land. What’s Cropping Up? 14(5): 3-6. (Also appeared as abstract in Field Crop Dealer Meetings, October 26-29, 2004. CSS Extension Series No. E04-33, October 2004).
115. Ketterings, Q.M., S. Swink*, G. Godwin*, K.J. Czymmek, and G. Albrecht* (2004). New York Starter Phosphorus Project: Does starter P fertilizer impact silage quality? What’s Cropping Up? 14(5): 1-2.
116. Ketterings, Q.M., H. Krol*, W.S. Reid, and D. Olsen (2004). Soil sample survey of Putman County. CSS Extension Bulletin E04-32. 8 pages.
117. Ketterings, Q.M., H. Krol*, W.S. Reid, and C.A. Logue (2004). Soil sample survey of Schenectady County. CSS Extension Bulletin E04-31. 37 pages.
118. Ketterings, Q.M., H. Krol*, W.S. Reid, and P. Carey (2004). Soil sample survey of Sullivan County. CSS Extension Bulletin E04-30. 38 pages.
119. Ketterings, Q.M., H. Krol*, W.S. Reid, and M.J. Fargione (2004). Soil sample survey of Ulster County. CSS Extension Bulletin E04-29. 40 pages.
120. Ketterings, Q.M., H. Krol*, and W.S. Reid (2004). Soil sample survey of Saratoga County. CSS Extension Bulletin E04-28. 38 pages.
121. Ketterings, Q.M., H. Krol*, W.S. Reid, J.G. Lee, and G.G. Giordano (2004). Soil sample survey of Westchester County. CSS Extension Bulletin E04-27. 23 pages.
122. Ketterings, Q.M., H. Krol*, W.S. Reid, and J.B. Siecska (2004). Soil sample survey of Suffolk County. CSS Extension Bulletin E04-26. 37 pages.
123. Ketterings, Q.M., H. Krol*, W.S. Reid, and L. Hulle (2004). Soil samples survey of Orange County. CSS Extension Bulletin E04-25. 39 pages.
124. Ketterings, Q.M., H. Krol*, W.S. Reid, and S.D. Mallozzi (2004). Soil samples survey of Dutchess County. CSS Extension Bulletin E04-24. 39 pages.
125. Ketterings, Q.M., H. Krol*, and W.S. Reid (2004). Greene Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-23. 36 pages.
126. Ketterings, Q.M., H. Krol*, W.S. Reid, and J. Van der Heide (2004). Oswego Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-22. 37 pages.
127. Ketterings, Q.M., G. Godwin*, J.H. Cherney, S. Beer and T.F. Kilcer (2004). Potassium management for brown mid rib sorghum sudangrass. Results of two years of studies at the Mt Pleasant Research Farm. What’s Cropping Up? 14(3): 4-5.
128. Ketterings, Q.M., H. Krol**, C.P. Mazza, and W.S. Reid (2004). New York City Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-21. 71 pages.
129. Ketterings, Q.M., H. Krol*, and W.S. Reid (2004). Nassau Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-20. 21 pages.
130. Ketterings, Q.M., H. Krol*, W.S. Reid, and J. Degni (2004). Tompkins Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-19. 37 pages.
131. Ketterings, Q.M., H. Krol*, W.S. Reid, and J. Degni (2004). Tioga Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-18. 37 pages.
132. Ketterings, Q.M., H. Krol*, W.S. Reid, and J. Degni (2004). Cortland Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-17. 36 pages.
133. Ketterings, Q.M., H. Krol*, W.S. Reid, and J. Degni (2004). Chemung Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-16. 37 pages.
134. Ketterings, Q.M., H. Krol*, W.S. Reid, and J. Degni (2004). Schuyler Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-15. 37 pages.
135. Ketterings, Q.M., G. Godwin*, J.H. Cherney, S. Beer and T.F. Kilcer (2004). Nitrogen management for brown mid rib sorghum sudangrass. Results of two years of studies at the Mt Pleasant Research Farm. What’s Cropping Up? 14(2): 5-6.
136. Ketterings, Q.M., H. Krol*, W.S. Reid, and S.E. Hadcock (2004). Columbia Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-14. 38 pages.
137. Ketterings, Q.M., H. Krol*, W.S. Reid, and N. Herendeen (2004). Wayne Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-13. 40 pages.
138. Ketterings, Q.M., H. Krol*, W.S. Reid, and K. Ganoe (2004). Fulton Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-12. 36 pages.
139. Ketterings, Q.M., H. Krol*, W.S. Reid, and K. Ganoe (2004). Herkimer Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-11. 38 pages.
140. Ketterings, Q.M., H. Krol*, W.S. Reid, and K. Ganoe (2004). Montgomery Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-10. 37 pages.
141. Ketterings, Q.M., H. Krol*, W.S. Reid, and K. Ganoe (2004). Otsego Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-9. 37 pages.
142. Ketterings, Q.M., H. Krol*, W.S. Reid, and K. Ganoe (2004). Chenango Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-8. 37 pages.
143. Ketterings, Q.M., H. Krol*, and W.S. Reid (2004). Rockland Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-7. 21 pages.
144. Ketterings, Q.M., H. Krol*, W.S. Reid, and N. Herendeen (2004). Ontario Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-6. 40 pages.
145. Ketterings, Q.M., H. Krol*, W.S. Reid, and N. Herendeen (2004). Yates Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-5. 40 pages.
146. Ketterings, Q.M., S. Swink*, G. Godwin*, K.J. Czymmek, A. Durow*, and G.L Albrecht* (2004). New York Starter Phosphorus Project – Results of the 2003 growing season. What’s Cropping Up? 14(1): 1-3.
147. Czymmek, K.J, and Q.M. Ketterings (2004). Seven tips to manage N for top-yielding corn. Northeast DairyBusiness 6:26-27.
148. Ketterings, Q.M., H. Krol*, W.S. Reid and M. Dennis (2004). Seneca County Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-4. 38 pages.
149. Ketterings, Q.M., H. Krol*, W.S. Reid, N. Herendeen and R.N. King (2004). Monroe Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-3. 40 pages.
150. Ketterings, Q.M., H. Krol*, and W.S. Reid (2004). Broome Soil Sample Survey 1995-2001. CSS Extension Bulletin E04-2. 37 pages.
151. Whole farm nutrient management on dairy farms to improve profitability and reduce environmental impacts (2004). Department of Crop and Soil Sciences Research Series R04-1 and University of Wisconsin Extension Publication A3794. Report on collaboration among Cornell University, University of Wisconsin-Madison, and USDA-ARS Dairy Forage Research Center.  April 2004.
152. Ketterings, Q.M., H. Krol**, W.S. Reid, and L. Fields (2003). Schoharie Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-33. 38 pages.
153. Ketterings, Q.M., H. Krol*, W.S. Reid, and T. Gallagher (2003). Albany Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-31. 39 pages.
154. Ketterings, Q.M., H. Krol*, W.S. Reid, and N. Herendeen (2003). Orleans Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-30. 39 pages.
155. Ketterings, Q.M., H. Krol*, W.S. Reid, and N. Herendeen (2003). Niagara Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-29. 40 pages.
156. Ketterings, Q.M., H. Krol*, and W.S. Reid (2003). Erie Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-28. 38 pages.
157. Ketterings, Q.M., G.L. Albrecht*, and K.J. Czymmek (2003). Whole farm crop and manure nutrient management. Help! In: Proceedings 2003 Cornell Nutrition Conference. Department of Animal Science, Cornell University. October 21-23, 2003. Pages 245-250.
158. Ketterings, Q.M., H. Krol*, W.S. Reid, and D. Sprague (2003). Cattaraugus Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-27. 39 pages.
159. Ketterings, Q.M., H. Krol*, W.S. Reid, N. Herendeen, and D. Thorp (2003). Livingston Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-26. 40 pages.
160. Czymmek, K.J., Q.M. Ketterings and H. van Es (2003). You can reduce the risks of leaching. Northeast DairyBusiness 5(10): 22-23.
161. Ketterings, Q.M., K.J. Czymmek, S. Swink*, G. Albrecht*, G. Godwin*, and A. Durow* (2003). New York State Starter Phosphorus Project. In: Field Crop Dealer Meetings. Department of Crop and Soil Sciences Extension Series E03-25. Pages 11-12.
162. Kilcer, T.F., Q.M. Ketterings, P. Cerosaletti, J.H. Cherney, P. Barney, M. Hunter, G. Godwin* and G. Albrecht* (2003). Brown midrib sorghum-sudangrass in New York State. In: Field Crop Dealer Meetings. Department of Crop and Soil Sciences Extension Series E03-25. Pages 19-20.
163. Ketterings, Q.M., H. Krol*, W.S. Reid, and N. Herendeen (2003). Genesee Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-24. 39 pages.
164. Ketterings, Q.M., H. Krol*, W.S. Reid, and A. Gabriel (2003). Washington Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-23. 38 pages.
165. Ketterings, Q.M., H. Krol*, W.S. Reid, and B. Tillapaugh (2003). Wyoming Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-22. 40 pages.
166. Ketterings, Q.M., H. Krol*, W.S. Reid, and T. Kilcer (2003). Rensselaer Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-21. 38 pages.
167. Kilcer, T.F., Q.M. Ketterings, P. Cerosaletti, P. Barney and J.H. Cherney (2003). Cutting height management for brown mid rib sorghum sudangrass. What’s Cropping Up? 13(4): 4-6.
168. Czymmek, K.J., Q.M. Ketterings, L.D. Geohring, and G.L. Albrecht* (2003). New release: New York phosphorus index: user’s manual and documentation. What’s Cropping Up? 13(4): 7.
169. Ketterings, Q.M., H. Krol*, W.S. Reid, and A.E. Staehr (2003). Onondaga Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-20. 39 pages.
170. Ketterings, Q.M., H. Krol*, W.S. Reid, and D. Sprague (2003). Allegany Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-19. 38 pages.
171. Ketterings, Q.M., H. Krol*, W.S. Reid, and K. Evans (2003). Madison Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-18. 39 pages.
172. Ketterings, Q.M., H. Krol*, W.S. Reid, and Jeff Miller (2003). Oneida Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-17. 38 pages.
173. Ketterings, Q.M., S.D. Klausner, and K.J. Czymmek (2003). Nitrogen guidelines for field crops in New York. Second Release. Department of Crop and Soil Sciences Extension Series E03-16. Cornell University, Ithaca, NY. 70 pages.
174. Ketterings, Q.M., K.J. Czymmek, and S.D. Klausner (2003). Phosphorus guidelines for field crops in New York. Second Release. Department of Crop and Soil Sciences Extension Series E03-15. Cornell University, Ithaca, NY. 35 pages.
175. Ketterings, Q.M., S.D. Klausner, and K.J. Czymmek (2003). Potassium guidelines for field crops in New York. Second Release. Department of Crop and Soil Sciences Extension Series E03-14. Cornell University, Ithaca, NY. 41 pages.
176. Czymmek, K.J., Q.M. Ketterings, L.D. Geohring and G.L. Albrecht* (2003). New York State Phosphorus Runoff Index. CSS Extension Bulletin E03-13. 72 pages.
177. Ketterings, Q.M., H. Krol*, W.S. Reid, and D. Sprague (2003). Chautauqua Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-12. 37 pages.
178. Ketterings, Q.M., H. Krol*, W.S. Reid, and C. Tillinghast (2003). Franklin Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-11. 37 pages.
179. Cox, B., and Q.M. Ketterings (2003). Soybeans: Add the inoculum but forget the starter N. What’s Cropping Up? 13(3): 5.
180. Albrecht*, G.L., C.N. Rasmussen*, Q.M. Ketterings, K.J. Czymmek and V. Durbal (2003). Coming attraction: Cornell Cropware v2.0. What’s Cropping Up? 13(3): 6.
181. Ketterings, Q.M., K.J. Czymmek, G.L. Albrecht*, C. Rasmussen*, and B. Dybwad* (2003). Nutrient Management Spear Program Website. Access to nutrient management research and extension for NY.  What’s Cropping Up? 13(3): 7.
182. Ketterings, Q.M., H. Krol*, W.S. Reid, and D. Dewing (2003). Delaware Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-10. 39 pages.
183. Ketterings, Q.M., H. Krol*, W.S. Reid, and A.E. Spaugh (2003). Clinton Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-9. 37 pages. Ketterings, Q.M., H. Krol**, W.S. Reid, and A. Deming (2003). Essex Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-8. 37 pages.
184. Ketterings, Q.M., T.W. Katsvairo*, J.H. Cherney, and T.K. Kilcer (2003). Nitrogen management for brown mid rib sorghum sudangrass: Results of the 2002 Mt Pleasant trial. What’s Cropping Up? 13(2): 1-3.
185. Ketterings, Q.M., T.W. Katsvairo*, J.H. Cherney, and T.K. Kilcer (2003). Potassium management for brown mid rib sorghum sudangrass: Results of the 2002 Mt Pleasant trial. What’s Cropping Up? 13(2): 6-7.
186. Cox, B., and Q.M. Ketterings (2003). N sidedress rates on corn following soybeans. What’s Cropping Up? 13(2): 8-9.
187. Ketterings, Q.M., H. Krol*, W.S. Reid, and C. Albers (2003). Steuben Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-7. 37 pages.
188. Ketterings, Q.M., H. Krol*, W.S. Reid, and S. Bossard (2003). Cayuga Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-6. 37 pages.
189. Ketterings, Q.M., H. Krol*, W.S. Reid, and M. Hunter (2003). Lewis Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-5. 37 pages.
190. Ketterings, Q.M., H. Krol*, W.S. Reid, and M. Hunter (2003). Jefferson Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-4. 37 pages.
191. Ketterings, Q.M., H. Krol*, W.S. Reid, and P. Barney (2003). St Lawrence Soil Sample Survey 1995-2001. CSS Extension Bulletin E03-3. 37 pages.
192. Czymmek, K.J., Q.M. Ketterings, H van Es, and S.D. DeGloria (2003). The New York Nitrate Leaching Index. CSS Extension Bulletin E03-2. 34 pages.
193. Ketterings, Q.M., T. Byron*, G. Godwin* and K.J. Czymmek (2003). Phosphorus Starter Project – Results of the 2002 growing season. What’s Cropping Up? 13(1): 4-6.
194. Kilcer, T.F., Q.M. Ketterings, T. Katsvairo*, and J.H. Cherney (2002). Nitrogen management for sorghum sudangrass. How to optimize N uptake efficiency? What’s Cropping Up? 12 (5): 6-9.
195. Ketterings, Q.M. and K.J. Czymmek (2002). Phosphorus soil testing and nutrient management planning in New York. What’s Cropping Up? 12 (4): 1-3.
196. ASB consortium (2002). ASB Policybrief 04: Reducing smoke pollution from tropical fires. 4 pp. Article is downloadable from: http://www.asb.cgiar.org/publications/policybriefs/.
197. Cox, B., Q.M. Ketterings, and H. van Es (2002). How much N fertilizer on corn following soybeans or wheat/clover? What’s Cropping Up? 12 (3): 5.
198. Cerosaletti, P., Q.M. Ketterings, and T.F. Kilcer (2002). 2001 Delaware County BMR sorghum sudangrass trial. What’s Cropping Up? 12(3): 1-3.
199. Rasmussen*, C.N., Q.M. Ketterings, and G. Albrecht* (2002). Cornell Cropware version 1.0, a cuNMPS software program. In: Developing and applying next generation tools for farm and watershed nutrient management to protect water quality. Cornell Animal Science Department Mimeo 220 and Crop and Soil Science Extension Series E02-1. pp 13-29.
200. Cox, B. and Q.M. Ketterings (2002). Do soybeans respond to starter fertilizer and seed inoculum? What’s Cropping Up? 12 (2): 1.
201. Byron*, T.M., Q.M. Ketterings, and K.J. Czymmek (2002). Phosphorus starter demonstration project. Results of the 2001 growing season. What’s Cropping Up? 12 (2): 4-5.
202. Van Noordwijk, M., and Q.M. Ketterings (2002). Tebas-bakar dan manfaat perbakerannya. Seri: Wanatani Karet 14.
203. Czymmek, K.J., Q.M. Ketterings, and H. van Es (2001). The New York Nitrate Leaching Index. What’s Cropping Up? Volume 11(5): 1-3.
204. Rasmussen*, C.N., G. Albrecht*, K.J. Czymmek, and Q.M. Ketterings (2001). Cornell Cropware. What’s Cropping Up? Volume 11(5): 7.
205. Ketterings, Q.M., T. Byron*, and K.J. Czymmek (2001). P starter demonstration/research project – 2001. In: Field Crop Dealer Meetings. Department of Crop and Soil Sciences Extension Series E01-7. Pages 3-6.
206. Ketterings, Q.M., B. Bellows, K.J. Czymmek, W.S. Reid, and R.F. Wildman (2001). Do Modified Morgan and Mehlich-III P have a Morgan P equivalent? In: Field Crop Dealer Meetings. Department of Crop and Soil Sciences Extension Series E01-7. Pages 15-19.
207. Ketterings, Q.M., S.D. Klausner, and K.J. Czymmek (2001). Potassium recommendations for field crops in New York. Department of Crop and Soil Sciences Extension Series E01-6. Cornell University, Ithaca, NY. 39 pages.
208. Ketterings, Q.M., K.J. Czymmek, and S.D. Klausner (2001). Phosphorus recommendations for field crops in New York. Department of Crop and Soil Sciences Extension Series E01-5. Cornell University, Ithaca, NY. 32 pages.
209. Ketterings, Q.M., S.D. Klausner, and K.J. Czymmek (2001). Nitrogen recommendations for field crops in New York. Department of Crop and Soil Sciences Extension Series E01-4. Cornell University, Ithaca, NY. 45 pages.
210. Czymmek, K.J., Q.M. Ketterings, and L.D. Geohring (2001). Phosphorus and Agriculture VIII: The New Phosphorus Index for New York State. What’s Cropping Up? 11(4): 1-3.
211. Czymmek, K.J., L.D. Geohring, and Q.M. Ketterings (2001). What’s the risk of phosphorus runoff from your fields? Northeast DairyBusiness 3(8): 26-28.
212. Ketterings, Q.M., B.C. Bellows, K.J. Czymmek, and W.S. Reid (2001). Conversion Equations Part 2: Do Mehlich-III K, Ca, and Mg have Morgan equivalents? What’s Cropping Up? 11(4): 4-5.
213. Cox, B., and Q.M. Ketterings (2001). Soybean fertilization. What’s Cropping Up? 11(3): 1.
214. Ketterings, Q.M., B. Bellows, K.J. Czymmek, W.S. Reid, and R.F. Wildman (2001). Do modified Morgan and Mehlich-III P have a Morgan equivalent? What’s Cropping Up? 11(3): 2-3.
215. Czymmek, K., J. Degni and Q.M. Ketterings (2001). Phosphorus starter demonstration project. Results of the 2000 Growing Season. What’s Cropping Up? 11(3): 4-6.
216. Cox, B., Q.M. Ketterings, and H. van Es (2001). How much N fertilizer on corn following soybeans or wheat/clover? What’s Cropping Up? 11 (2): 6-7.

Poster Presentations

1. Cherney, J.H., Q.M. Ketterings, M. Davis and D. Cherney (2009). Timing of semi-solid dairy manure application on orchardgrass. ASA/SSSA/CSSA meeting, Pittsburgh, PA, November 1-5, 2009.
2. Grover, K., S. Grandt, and Q.M. Ketterings (2009). Spatial variability of Illinois Soil Nitrogen Test results in New York soils. ASA/SSSA/CSSA meeting, Pittsburgh, PA, November 1-5, 2009.
3. Rasmussen, C.N., Q.M. Ketterings, L.E. Chase, K.J. Czymmek, P. Ristow (2009). Whole farm mass nutrient balances as assessment tool for dairy farms. ASA/SSSA/CSSA meeting, Pittsburgh, PA, November 1-5, 2009.
4. Ristow, P., Q.M. Ketterings, L.E. Chase, K.J. Czymmek, M. van Amburgh, C.N. Rasmussen (2009). Whole farm performance indicators; tools for goal-setting and performance tracking on New York Dairy farms. ASA/SSSA/CSSA meeting, Pittsburgh, PA, November 1-5, 2009.
5. Ketterings, Q.M., C. Yuan, S. Gami, M. Woods, and R. Rao (2009). A simple method for estimating cation exchange capacity across a wide range of soils. ASA/SSSA/CSSA meeting, Pittsburgh, PA, November 1-5, 2009.
6. Miyamoto, C., Q.M. Ketterings, R. Rao, K. Dietzel, and S. Gami (2009). A comparison of soil sulfur testing methods on New York soil. ASA/SSSA/CSSA meeting, Pittsburgh, PA, November 1-5, 2009.
7. Rasmussen*, C., Q.M. Ketterings, P. Ristow*, K. Czymmek and L. Chase (2009). Whole farm nutrient balances of grazing vs non-grazing dairy farms in the Upper Susquehanna Watershed. Northeast Pasture Research and Extension Consortium 2009 Annual Meeting, Morgantown, WV, March 4 and 5, 2009.
8. Rao, R., Q.M. Ketterings, and H. Krol (2008). New York State soil test summaries 1995-2006. ASA/SSSA/CSSA meeting, Houston, Texas, October 6-10, 2008.
9. Ketterings, Q.M., S.N. Swink*. S. Duiker, D. Beegle, W. Cox and K.J. Czymmek (2008). Cover crops for nitrogen conservation in corn systems in the Northeast. Poster presented at the joint meeting of the Canadian Society of Agronomy, Canadian Society of Horticultural Science, Northeastern Branch of the American Society of Agronomy, Crop Science Society of America and Soil Science Society of America, Montreal, Canada. July 13-16.
10. Grandt*, S., Q.M. Ketterings, A. Lembo, and F. Vermeylen (2008). In-field spatial variability of soil test phosphorus and implications for agronomic and environmental phosphorus management. Poster presented at the joint meeting of the Canadian Society of Agronomy, Canadian Society of Horticultural Science, Northeastern Branch of the American Society of Agronomy, Crop Science Society of America and Soil Science Society of America, Montreal, Canada. July 13-16.
11. Dietzel*, K.A., Q.M. Ketterings, W. Berry*, and G. Godwin* (2008). Effects of AlCl3 and Al2(SO4)3 addition to manure on N availability and soil test P increase. Poster presented at the joint meeting of the Canadian Society of Agronomy, Canadian Society of Horticultural Science, Northeastern Branch of the American Society of Agronomy, Crop Science Society of America and Soil Science Society of America, Montreal, Canada. July 13-16.
12. Swink*, S.N., Q.M. Ketterings, L.E. Chase, J. Mekken*, and K.J. Czymmek (2008). Past and future phosphorus balances for agricultural cropland in New York State. Poster presented at the joint meeting of the Canadian Society of Agronomy, Canadian Society of Horticultural Science, Northeastern Branch of the American Society of Agronomy, Crop Science Society of America and Soil Science Society of America, Montreal, Canada. July 13-16. Also presented at the 2008 SERA17 meeting, Kent Island, Maryland. July 29-31, 2008.
13. Rao, R., C. Miyamoto*, Q.M. Ketterings, and K. Dietzel* (2008). Comparison of plant available sulfur methods on New York soils. Poster presented at the joint meeting of the Canadian Society of Agronomy, Canadian Society of Horticultural Science, Northeastern Branch of the American Society of Agronomy, Crop Science Society of America and Soil Science Society of America, Montreal, Canada. July 13-16.
14. Magidow*, L.C., A. DiTommaso, Q.M. Ketterings, and L.R. Milbrath. 2008. Does soil pH influence swallow-wort distribution in its current range? Proceedings of the 62nd Annual Meeting of the Northeastern Weed Science Society, 62:21.
15. Parsons*, D., J. Cherney, Q.M. Ketterings, C.F. Nicholson, R.W. Blake, L. Ramirez-Aviles and L.O. Tedeschi (2007). Effect of farmer decision making on nutrient cycling outcomes in an integrated crop-livestock agro-ecosystem in Yucatan, Mexico. 2007 ASA/SSSA/CSSA meeting, New Orleans, Louisiana, November 4-8, 2007.
16. Dietzel*, K., R. Rao, and Q.M. Ketterings (2007). A comparison of lime requirement tests for New York soils. Northeastern Branch ASA/SSSA/CSSA meeting, State College, Pennsylvania, June 24-26, 2007.
17. Swink*, S.N., W.J. Cox and Q.M Ketterings (2007). How much can N fertilizer be reduced for corn after soybean in the northeast? Are adjustments needed? Northeastern Branch ASA/SSSA/CSSA meeting, State College, Pennsylvania, June 24-26, 2007.
18. Ketterings, Q.M., J.H. Klapwyk*, J. Lawrence*, G. Godwin* and K.J. Czymmek (2006). Illinois Soil N Test for corn in New York. 2006 ASA/SSSA/CSSA meeting, Indianapolis, Indiana, November 12-16, 2006.
19. Rasmussen*, C.N, S.N. Swink*, J.C. Mekken*, K.J. Czymmek and Q.M. Ketterings (2006). Statewide, county-based and whole farm phosphorus balances. SERA17 Annual Meeting, Ithaca, August 2-4, 2006.
20. Ketterings, Q.M., J.H. Klapwyk*, J. Lawrence*, G. Godwin* and K.J. Czymmek (2006). Illinois Soil N Test for corn in New York. 2006 ASA/SSSA/CSSA meeting, Indianapolis, Indiana, November 12-16, 2006.
21. Haden*, V.R., Q.M. Ketterings, and J.E. Kahabka* (2006). Factors affecting the change in soil test P levels of noncalcareous New York soils following manure and fertilizer application. Northeastern Branch ASA/SSSA/CSSA meeting, Philadephia, Pennsylvania, July 11, 2006.
22. Lawrence*, J.R., Q.M. Ketterings, G. Godwin*, and K.J. Czymmek (2006). Effect of nitrogen application on yield and quality of first year corn. Northeastern Branch ASA/SSSA/CSSA meeting, Philadelphia, Pennsylvania, July 11, 2006.
23. Ketterings, Q.M., C. Rasmussen*, J.C. Mekken*, and K.J. Czymmek (2006). Statewide, county-based and whole farm phosphorus balances. 18th World Congress of Soil Science, Philadelphia, Pennsylvania, July 10-15, 2006. Abstract # 14959.
24. Czymmek, K.J., and Q.M. Ketterings (2006). The New York CAFO Program; successfully connecting science, policy, regulation, and implementation. 18th World Congress of Soil Science, Philadelphia, Pennsylvania, July 10-15, 2006.
25. Hyland*, C., S. Sato, Z. Lan, Q.M. Ketterings, and J. Lehmann (2006). Properties of phosphorus forms in leachate from soils with long-term manure additions. 18th World Congress of Soil Science, Philadelphia, Pennsylvania, July 10-15, 2006.
26. Ketterings, Q.M. (2006). Whole farm nutrient balances: working with producers to identify opportunities for improvement of nutrient management on dairy farms. American Farm Bureau Federation Convention. Nashville, Tennessee, January 8-9, 2006.
27. Klapwyk*, J.H., Q.M. Ketterings, and G. Godwin* (2005). Evaluation of the Illinois soil N test for NY corn production. 2005 ASA/SSSA/CSSA meeting, Salt Lake City, Utah, November 6-10, 2005. Abstract #7607.
28. Brock, E.H., Q.M. Ketterings, and P.J. Kleinman (2005). Changes in phosphorus sorption capacity of manure amended soils. 2005 SERA-17 meeting, Banff, Canada, July 26-29, 2005.
29. Mekken*, J.C., Q.M. Ketterings, G.L. Albrecht*, and K.J. Czymmek (2005). Phosphorus balance in New York State. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #9192.
30. Albrecht*, G., Q.M. Ketterings, and K.J. Czymmek (2005). Engaging students and extension audiences in nutrient management through web-based learning modules. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #9188.
31. Brock*, E.H., Q.M. Ketterings, and M. McBride (2005). Copper and zinc accumulation in poultry and dairy manure amended soils. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #5913.
32. Ketterings, Q.M. and M. Flock (2004). Comparison of Bray-1 and Mehlich-3 tests in high phosphorus soils. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 – November 4, 2004.
33. Woods*, M.S., Q.M. Ketterings and F.S. Rossi (2004). Potassium supply rates in a calcareous sand rootzone. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 – November 4, 2004.
34. Sato, S., C. Hyland*, D.M. Solomon, Q.M. Ketterings and C.J. Lehmann (2004). Phosphorus speciation in poultry manure and manure-applied soils using XANES spectroscopy. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 – November 4, 2004.
35. Ketterings, Q.M., S. Swink*, G. Godwin*, K.J. Czymmek and G.L. Albrecht* (2004). New York State starter phosphorus project. Results of 3 years of on-farm research. Northeast SARE 2004 Conference: Setting the Table: tools and techniques for a sustainable food system. Invited presentation. October 19-21, 2004.
36. Ketterings, Q.M. (2004). Nutrient Management Spear Program. CHE, CALS and Vet College DEL’s and Executive Directors Conference. Ithaca, New York, September 8, 2004.
37. Klapwyk*, J.H., Q.M. Ketterings, and G.S. Godwin* (2004). Nitrate and aminosugar N levels of three years of dairy manure and compost application. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
38. Kahabka*, J.E., Q.M. Ketterings and S.W. Reid (2004). Trends in New York State soil phosphorus fertility. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
39. Ketterings, Q.M., S. Swink*, G. Godwin*, K.J. Czymmek, and G.L. Albrecht* (2004). The New York Starter Phosphorus Project – Results of three years of on-farm research. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
40. Ketterings, Q.M., and K.J. Czymmek (2003). Soil test conversions for New York. Poster presented at the 2003 ASA/SSSA/CSSA meetings, Denver, Colorado, November 2-6, 2003.
41. Albrecht*, G.L., C.N. Rasmussen*, Q.M. Ketterings, V. Durbal and K.J. Czymmek (2003). Cornell Cropware: a tool for nutrient management planning in New York State. Poster presented at the 2003 ASA/SSSA/CSSA meetings, Denver, Colorado, November 2-6, 2003.
42. Ketterings, Q.M., T.F. Kilcer, and J.H. Cherney (2003). Nitrogen and potassium management for brown mid rib sorghum sudangrass – an environmentally sound alternative to corn silage? Poster presented at the 2003 ASA/SSSA/CSSA meetings, Denver, Colorado, November 2-6, 2003.
43. Hyland, C., Z. Lan, J. Lehmann, and Q.M. Ketterings (2003). Phosphorus leaching and organic phosphorus forms in soil after long-term manure applications. Poster presented at the 2003 ASA/SSSA/CSSA meeting, Denver, Colorado, November 2-6, 2003.
44. Albrecht*, G.L., C.N. Rasmussen*, Q.M. Ketterings, V. Durbal and K.J. Czymmek (2003). Cornell Cropware: A Software Tool of the Cornell University Nutrient Management Planning System. Poster presented at the 2003 NE ASA/SSSA meetings, Burlington, Vermont, June 29-July 2, 2003.
45. Albrecht*, G.L., C.N. Rasmussen*, Q.M. Ketterings, V. Durbal and K.J. Czymmek (2003). Cornell Cropware. Poster presented at the annual SERA-17 meeting, Twin Falls, Idaho, June 25-27, 2003.
46. Klapwyk*, J.H., N. Galens*, and Q.M. Ketterings (2003). The Amino Sugar Nitrogen Test Project: Developing an Environmental and Economical Tool for NY Corn Production. Poster presented at the NYS Soil and Water Conservation Committee June Meeting. Ithaca, NY, June 17, 2003.
47. Albrecht*, G.L., C.N. Rasmussen*, Q.M. Ketterings, V. Durbal and K.J. Czymmek (2003). Cornell Cropware: A Software Tool of the Cornell University Nutrient Management Planning System. Poster presented at the NYS Soil and Water Conservation Committee June Meeting. Ithaca, NY, June 17, 2003.
48. Ketterings, Q.M. and K.J. Czymmek (2003). Nutrient Management Spear Program. Poster presented at the NYS Soil and Water Conservation Committee June Meeting. Ithaca, NY, June 17, 2003.
49. Ketterings, Q.M., K.J. Czymmek, S. Swink*, and G. Godwin* (2003). New York Starter P Project. Poster presented at the NYS Soil and Water Conservation Committee June Meeting. Ithaca, NY, June 17, 2003.
50. Ketterings, Q.M., T. Byron*, K.J. Czymmek and S. Bossard (2002). Phosphorus dynamics in manure and compost based corn systems in New York State. Poster presented at the 17th World Congress of Soil Science in Bangkok, Thailand, August 14-21, 2002.
51. Kilcer, T., Q.M. Ketterings, P. Cerosaletti, T.W. Katsvairo*, P. Barney, M. Dennis, T. Byron and J.H. Cherney (2002). Brown mid rib sorghum sudangrass in NY. Poster presented at the Annual NE ASA/SSSA Meetings in Morgantown, WV, July 14-17, 2002.
52. Ketterings, Q.M. (2002). Phosphorus storage capacity of Honeoye soils. Poster presented at the Annual PCCW meeting on April 12th in Ithaca, NY.
53. Ketterings, Q.M., K.J. Czymmek, and T.M. Byron* (2002). New York State P starter project 2000/2001.  Poster presented by Lisa Field at the CCE Schoharie’s Dairy Day 2002 on January 10th at SUNY Cobleskill.
54. Czymmek, K.J., L.D. Geohring, D.R. Dewing, R.B. Bryant, K. Carpenter, T.S. Steenhuis, Q.M. Ketterings, and H. van Es (2001). Nutrient management program in New York. ASA/SSSA/CSSA Annual Meetings in Charlotte, NC, October 21-25, 2001.
55. Van Es, H., K.J. Czymmek, and Q.M. Ketterings (2001). Nitrogen leaching index for New York. ASA/SSSA/CSSA Annual Meetings in Charlotte, NC, October 21-25, 2001.
56. New York P Index Working Group (2001). The New York phosphorus runoff index. Poster presented at the 2001 Soil and Water Conservation Society Annual Meeting, August 4-8, Myrtle Beach, South Carolina. Poster made by Q.M. Ketterings and K.J. Czymmek and presented by K.J. Czymmek.
57. Van Es, H., K.J. Czymmek, and Q.M. Ketterings (2001). Nitrogen leaching index for New York. Poster presented at the 2001 Soil and Water Conservation Society Annual Meeting, August 4-8, Myrtle Beach, South Carolina. Poster made and presented by H. van Es.
58. New York P Index Working Group (2001). The New York phosphorus runoff index. Poster presented at the 2001 SERA-17 meeting, July 19-21, State College, Pennsylvania, USA. Poster made and presented by Q.M. Ketterings and K.J. Czymmek.
59. Ketterings, Q.M., B. Bellows, K.J. Czymmek, W.S. Reid, and R.F. Wildman (2001). Do Modified Morgan and Mehlich-III soil test results have Morgan Equivalents? Poster presented at the 2001 Northeast Branch ASA/SSSA Annual meeting, June 24-27, Kingston, Rhode Island, USA.
60. Ketterings, Q.M., M. Van Noordwijk, and J.M. Bigham (2000). The benefits of a reduction in fallow period. An example from Indonesia. Poster presented as part of the special symposium on Fallow Management at the 2000 ASA, CSSA, SSSA Annual meetings, November 5 – 9, Minneapolis, Minnesota, USA.
61. Ketterings, Q.M., M. Van Noordwijk, and J.M. Bigham (1999). Impacts of slash and burn fire intensity on P availability. Poster (on invitation) presented at the 1999 ASA, CSSA, SSSA Annual meetings, October 31 – November 4, Salt Lake City, Utah, USA.
62. Ketterings, Q.M., M. Van Noordwijk, and J.M. Bigham (1999). Spatial variability of selected soil properties in broadcast and secondary pile and burn practices in Sumatra, Indonesia. Poster presented at the 1999 ASA, CSSA, SSSA Annual meetings, October 31 – November 4, Salt Lake City, Utah, USA.
63. Van Noordwijk, M., B. Lusiana, and Q.M. Ketterings (1999). WaNuLCAS: a model of Water, Nutrient and Light Capture in Agroforestry Systems to evaluate alternatives to slash and burn. Poster presented at the 1999 ASA, CSSA, SSSA Annual meetings, October 31 – November 4, Salt Lake City, Utah, USA.
64. Ketterings, Q.M., J.M. Bigham, and V. Laperche (1998). Effects of forest burning on soil mineralogy: results from field experiments in Indonesia. Poster presented at the 1998 ASA, CSSA, SSSA Annual meetings, October 18-22, Baltimore, Maryland, USA.
65. Ketterings, Q.M., T.T. Wibowo*, M. Van Noordwijk, and E. Penot (1998). Farmers’ perspectives on slash-and-burn as a land clearing method for small-scale rubber producers in Sepunggur, Jambi Province, Sumatra, Indonesia. Poster presented at the Annual OARDC Conference, April 16, 1998.
66. Ketterings, Q.M., Y. Ambagau*, Djunaedy*, M. Van Noordwijk, and I. Anas (1997). Is the increased soil fertility after slash and burn due to the slash or the burn? Poster presented at the International Workshop on Biological Management of Soil Fertility on Acid Upland Soils in the Humid Tropics, July 28-31, Malang, Indonesia.
67. Bohlen, P. J., R.W. Parmelee, M.F. Allen, and Q.M. Ketterings (1995). Uptake and redistribution of 15N by the earthworm, Lumbricus terrestris, in soil cores amended with various 15N-labeled substrates. Ecological Society of America Meeting, Fort Collins, CO, August 1995. Abstract, Bulletin of the Ecological Society of America.
68. Ketterings, Q.M., J.M. Blair and J.C.Y. Marinissen (1993). Effects of earthworms on soil aggregates and carbon and nitrogen storage in agro-ecosystems based on legume/rye winter cover crop nitrogen. Ecological Society of America Meeting, Madison, WI, August 1993. Abstract, Bulletin of the Ecological Society of America 74:306.

Published Abstracts

1. Cherney, J.H., Q.M. Ketterings, M. Davis and D. Cherney (2009). Timing of semi-solid dairy manure application on orchardgrass. ASA/SSSA/CSSA meeting, Pittsburgh, PA, November 1-5, 2009.
2. Place, A., Q.M. Ketterings, S. Bossard, J. Lawrence, K.J. Czymmek, and B. Gloy (2009). Shallow incorporation of manure in reduced tillage systems. ASA/SSSA/CSSA meeting, Pittsburgh, PA, November 1-5, 2009.
3. Grover, K., S. Grandt, and Q.M. Ketterings (2009). Spatial variability of Illinois Soil Nitrogen Test results in New York soils. ASA/SSSA/CSSA meeting, Pittsburgh, PA, November 1-5, 2009.
4. Rasmussen, C.N., Q.M. Ketterings, L.E. Chase, K.J. Czymmek, P. Ristow (2009). Whole farm mass nutrient balances as assessment tool for dairy farms. ASA/SSSA/CSSA meeting, Pittsburgh, PA, November 1-5, 2009.
5. Ketterings, Q.M., J. Klapwyk, J. Lawrence, K.J. Czymmek (2009). Comprehensive perspective on the ISNT approach. ASA/SSSA/CSSA meeting, Pittsburgh, PA, November 1-5, 2009.
6. Ristow, P., Q.M. Ketterings, L.E. Chase, K.J. Czymmek, M. van Amburgh, C.N. Rasmussen (2009). Whole farm performance indicators; tools for goal-setting and performance tracking on New York Dairy farms. ASA/SSSA/CSSA meeting, Pittsburgh, PA, November 1-5, 2009.
7. Ketterings, Q.M., C. Yuan, S. Gami, M. Woods, and R. Rao (2009). A simple method for estimating cation exchange capacity across a wide range of soils. ASA/SSSA/CSSA meeting, Pittsburgh, PA, November 1-5, 2009.
8. Swink, S.N., Q.M. Ketterings, K.J. Czymmek, M. van Amburgh, and L.E. Chase (2009). Nitrogen balances for New York State: past and future. ASA/SSSA/CSSA meeting, Pittsburgh, PA, November 1-5, 2009.
9. Miyamoto, C., Q.M. Ketterings, R. Rao, K. Dietzel, and S. Gami (2009). A comparison of soil sulfur testing methods on New York soil. ASA/SSSA/CSSA meeting, Pittsburgh, PA, November 1-5, 2009.
10. Aldrich, B., K.J. Czymmek, Q.M. Ketterings and J. Peck (2009). On-farm cover crop field demonstrations in New York. Northeastern Branch of the American Society of Agronomy, Crop Science Society of America and Soil Science Society of America, Portland, ME. July 12-16.
11. Ketterings, Q.M., J.H. Cherney, G. Godwin, and K.J. Czymmek (2009). Fertility management of corn and alfalfa rotations. Northeastern Branch of the American Society of Agronomy, Crop Science Society of America and Soil Science Society of America, Portland, ME. July 12-16.
12. Place, A., Q.M. Ketterings, D. Dewing, J. Lawrence (2009). Whole farm Illinois Soil Nitrogen Test (ISNT) assessment in New York. Northeastern Branch of the American Society of Agronomy, Crop Science Society of America and Soil Science Society of America, Portland, ME. July 12-16.
13. Wharton, S., K. Orloski, Q.M. Ketterings, K.J. Czymmek, and G. Godwin (2009). Evaluation of the late season corn stalk nitrate test for New York. Northeastern Branch of the American Society of Agronomy, Crop Science Society of America and Soil Science Society of America, Portland, ME. July 12-16.
14. Rasmussen*, C., Q.M. Ketterings, P. Ristow*, K. Czymmek and L. Chase (2009). Whole farm nutrient balances of grazing vs non-grazing dairy farms in the Upper Susquehanna Watershed. Northeast Pasture Research and Extension Consortium 2009 Annual Meeting, Morgantown, WV, March 4 and 5, 2009.
15. Ketterings, Q.M., K.J. Czymmek, C. Rasmussen, P. Ristow, and L.E. Chase (2008). Using whole farm mass balance assessments for improving upon nutrient management plans. ASA/SSSA/CSSA meeting, Houston, Texas, October 6-10, 2008.
16. Rao, R., Q.M. Ketterings, and H. Krol (2008). New York State soil test summaries 1995-2006. ASA/SSSA/CSSA meeting, Houston, Texas, October 6-10, 2008.
17. Ketterings, Q.M., S.N. Swink*. S. Duiker, D. Beegle, W. Cox and K.J. Czymmek (2008). Cover crops for nitrogen conservation in corn systems in the Northeast. Poster presented at the joint meeting of the Canadian Society of Agronomy, Canadian Society of Horticultural Science, Northeastern Branch of the American Society of Agronomy, Crop Science Society of America and Soil Science Society of America, Montreal, Canada. July 13-16.
18. Rasmussen*, C. Q.M. Ketterings, L.E. Chase, K.J. Czymmek, and P. Ristow* (2008). Using whole farm mass balances as a management tool on New York State dairy farms. Poster presented at the joint meeting of the Canadian Society of Agronomy, Canadian Society of Horticultural Science, Northeastern Branch of the American Society of Agronomy, Crop Science Society of America and Soil Science Society of America, Montreal, Canada. July 13-16.
19. Grandt*, S., Q.M. Ketterings, A. Lembo, and F. Vermeylen (2008). In-field spatial variability of soil test phosphorus and implications for agronomic and environmental phosphorus management. Poster presented at the joint meeting of the Canadian Society of Agronomy, Canadian Society of Horticultural Science, Northeastern Branch of the American Society of Agronomy, Crop Science Society of America and Soil Science Society of America, Montreal, Canada. July 13-16.
20. Place*, A., Q.M. Ketterings, D. Dewing, and J.R. Lawrence* (2008). Whole farm Illinois Soil Nitrogen Test (ISNT) assessment in New York. Poster presented at the joint meeting of the Canadian Society of Agronomy, Canadian Society of Horticultural Science, Northeastern Branch of the American Society of Agronomy, Crop Science Society of America and Soil Science Society of America, Montreal, Canada. July 13-16.
21. Dietzel*, K.A., Q.M. Ketterings, W. Berry*, and G. Godwin* (2008). Effects of AlCl3 and Al2(SO4)3 addition to manure on N availability and soil test P increase. Poster presented at the joint meeting of the Canadian Society of Agronomy, Canadian Society of Horticultural Science, Northeastern Branch of the American Society of Agronomy, Crop Science Society of America and Soil Science Society of America, Montreal, Canada. July 13-16.
22. Swink*, S.N., Q.M. Ketterings, L.E. Chase, J. Mekken*, and K.J. Czymmek (2008). Past and future phosphorus balances for agricultural cropland in New York State. Poster presented at the joint meeting of the Canadian Society of Agronomy, Canadian Society of Horticultural Science, Northeastern Branch of the American Society of Agronomy, Crop Science Society of America and Soil Science Society of America, Montreal, Canada. July 13-16.
23. Rao, R., C. Miyamoto*, Q.M. Ketterings, and K. Dietzel* (2008). Comparison of plant available sulfur methods on New York soils. Poster presented at the joint meeting of the Canadian Society of Agronomy, Canadian Society of Horticultural Science, Northeastern Branch of the American Society of Agronomy, Crop Science Society of America and Soil Science Society of America, Montreal, Canada. July 13-16.
24. Magidow*, L.C., A. DiTommaso, Q.M. Ketterings, and L.R. Milbrath (2008). Emergence and performance of pale and black swallow-wort on two New York soils at three pH levels. Weed Science Society of America Abstracts. No. 266. Weed Science Society of America, Lawrence, KS. (Feb. 2008).
25. Cherney, D.J.R., J.H. Cherney, Q. Ketterings, M. Davis (2008). Split application of nitrogen on perennial grasses compared to manure applications. 2008 Joint ADSA-ASAS Annual Meeting. Abstract.
26. Magidow*, L.C., A. DiTommaso, Q.M. Ketterings, and L.R. Milbrath (2008). Does soil pH influence swallow-wort distribution in its current range? Proceedings of the 62nd Annual Meeting of the Northeastern Weed Science Society, 62:21.
27. Parsons, D., J. Cherney, Q.M. Ketterings, C.F. Nicholson, R.W. Blake, L. Ramirez-Aviles and L.O. Tedeschi (2007). Effect of farmer decision making on nutrient cycling outcomes in an integrated crop-livestock agro-ecosystem in Yucatan, Mexico. 2007 ASA/SSSA/CSSA meeting, New Orleans, Louisiana, November 4-8, 2007.
28. Beegle, D., Q.M. Ketterings, R. Maguire, and J. McGrath (2007). Nutrient management in the Chesapeake Bay Watershed. 2007 ASA/SSSA/CSSA meeting, New Orleans, Louisiana, November 4-8, 2007.
29. Lawrence, J.R., Q.M. Ketterings, G. Godwin, and K.J. Czymmek (2007). Effectiveness of Illinois Soil Nitrogen Test (ISNT) in corn after sod. 2007 ASA/SSSA/CSSA meeting, New Orleans, Louisiana, November 4-8, 2007.
30. Magidow*, L., A. DiTommaso, Q.M. Ketterings, and L.R. Milbrath (2008). Emergence and performance of pale and black swallow-wort on two New York soils at three pH levels. Weed Science Society of America, 4-6 February, 2008, Chicago, IL.
31. Parsons*, D., J.H. Cherney, Q.M. Ketterings, L. Ramirez-Aviles, R.W. Blake, and C.F. Nicholson (2007). Reversing maize yield decline in shifting cultivation of the Yucatán Peninsula, through weed control and manure management. P. 130. In: (W. Alison, ed.) Proceedings of the 2007 Conf. of the American Forage & Grassland Council and Northeast Branch of the Crop, Soil and Agronomy Society of America, 24-26 June, 2007, State College, PA. AFGC, Elmhurst, IL.
32. Dietzel*, K., R. Rao, and Q.M. Ketterings (2007). A comparison of lime requirement tests for New York soils. Northeastern Branch ASA/SSSA/CSSA meeting, State College, Pennsylvania, June 24-26, 2007.
33. Swink*, S.N., W.J. Cox and Q.M Ketterings (2007). How much can N fertilizer be reduced for corn after soybean in the northeast? Are adjustments needed? Northeastern Branch ASA/SSSA/CSSA meeting, State College, Pennsylvania, June 24-26, 2007.
34. Lawrence*, J.R., S. Bossard, Q.M. Ketterings, G. Godwin* (2007). Tillage tools for manure incorporation and N conservation. Northeastern Branch ASA/SSSA/CSSA meeting, State College, Pennsylvania, June 24-26, 2007.
35. Ketterings, Q.M. J.H. Klapwyk*, J. Lawrence*, G. Godwin* and K.J. Czymmek (2006). Illinois Soil N Test for corn in New York. 2006 ASA/SSSA/CSSA meeting, Indianapolis, Indiana, November 12-16, 2006.
36. Haden*, V.R., Q.M. Ketterings, and J.E. Kahabka* (2006). Factors affecting the change in soil test P levels of noncalcareous New York soils following manure and fertilizer application. Northeastern Branch ASA/SSSA/CSSA meeting, Philadelphia, Pennsylvania, July 11, 2006.
37. Lawrence*, J.R., Q.M. Ketterings, G. Godwin*, and K.J. Czymmek (2006). Effect of nitrogen application on yield and quality of first year corn. Northeastern Branch ASA/SSSA/CSSA meeting, Philadelphia, Pennsylvania, July 11, 2006.
38. Ketterings, Q.M., C. Rasmussen*, J.C. Mekken*, and K.J. Czymmek (2006). Statewide, county-based and whole farm phosphorus balances. 18th World Congress of Soil Science, Philadelphia, Pennsylvania, July 10-15, 2006. Abstract # 14959.
39. Czymmek, K.J., and Q.M. Ketterings (2006). The New York CAFO Program; successfully connecting science, policy, regulation, and implementation. 18th World Congress of Soil Science, Philadelphia, Pennsylvania, July 10-15, 2006.
40. Hyland*, C., S. Sato, Z. Lan, Q.M. Ketterings, and J. Lehmann (2006). Properties of phosphorus forms in leachate from soils with long-term manure additions. 18th World Congress of Soil Science, Philadelphia, Pennsylvania, July 10-15, 2006.
41. Albrecht*, G., Q.M. Ketterings, K.J. Czymmek, S. Swink*, G. Godwin* (2005). It’s all about networking: a collaborative approach to applied research and extension. 2005 ASA/SSSA/CSSA meeting, Salt Lake City, Utah, November 6-10, 2005. Abstract # 136-4.
42. Woods*, M.S., F.S. Rossi and Q.M. Ketterings (2005). Potassium content of turfgrass leaves expressed on a tissue water basis. 2005 ASA/SSSA/CSSA meeting, Salt Lake City, Utah, November 6-10, 2005. Abstract #4086.0.0
43. Klapwyk*, J.H., Q.M. Ketterings, and G. Godwin* (2005). Evaluation of the Illinois soil N test for NY corn production. 2005 ASA/SSSA/CSSA meeting, Salt Lake City, Utah, November 6-10, 2005. Abstract #7607.
44. Brock*, E.H., Q.M. Ketterings and P. Kleinman (2005). Phosphorus leaching and runoff from soils as influenced by type and years of manure application. 2005 ASA/SSSA/CSSA meeting, Salt Lake City, Utah, November 6-10, 2005. Abstract #7593.
45. Mekken*, J.C., Q.M. Ketterings, G.L. Albrecht*, and K.J. Czymmek (2005). Phosphorus balance in New York State. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #9192.
46. Albrecht*, G., Q.M. Ketterings, and K.J. Czymmek (2005). Engaging students and extension audiences in nutrient management through web-based learning modules. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #9188.
47. Brock*, E.H., and Q.M. Ketterings (2005). Changes in phosphorus sorption capacity of manure amended soils. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #9185.
48. Ketterings, Q.M., K.J. Czymmek, D.B. Beegle, and L.E. Chase (2005). Systematic nutrient (im)balances in dairy farm systems of the Northeast and Mid-Atlantic Regions of the United States. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #9136.
49. Brock*, E.H., Q.M. Ketterings, and M. McBride (2005). Copper and zinc accumulation in poultry and dairy manure amended soils. 2005 NEBASA/SSSA meeting, Storrs, Connecticut, July 10-13, 2005. Abstract #5913.
50. Ketterings, Q.M. and M. Flock (2004). Comparison of Bray-1 and Mehlich-3 tests in high phosphorus soils. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 – November 4, 2004.
51. Woods*, M.S., Q.M. Ketterings and F.S. Rossi (2004). Estimation of cation exchange capacity in sand rootzones. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 – November 4, 2004.
52. Woods*, M.S., Q.M. Ketterings and F.S. Rossi (2004). Potassium supply rates in a calcareous sand rootzone. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 – November 4, 2004.
53. Klapwyk*, J.H., and Q.M. Ketterings (2004). Assessing the Illinois N soil test for New York corn production. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 – November 4, 2004.
54. Sato, S., C. Hyland*, D.M. Solomon, Q.M. Ketterings and C.J. Lehmann (2004). Phosphorus speciation in poultry manure and manure-applied soils using XANES spectroscopy. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 – November 4, 2004.
55. Hyland*, C., C.J. Lehmann, Q.M. Ketterings, Z. Lan, and S. Sato (2004). Forms and distribution of phosphorus leached from manure amended soils. 2004 ASA/SSSA/CSSA meeting, Seattle, Washington, October 31 – November 4, 2004.
56. Brock*, E., and Q.M. Ketterings (2004). Phosphorus buildup in manured soils over time. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
57. Klapwyk*, J.H., and Q.M. Ketterings (2004). Laboratory variability of the Illinois N soil test. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
58. Klapwyk*, J.H., Q.M. Ketterings, and G.S. Godwin* (2004). Nitrate and aminosugar N levels of three years of dairy manure and compost application. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
59. Kahabka*, J.E., Q.M. Ketterings and S.W. Reid (2004). Trends in New York State soil phosphorus fertility. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
60. Albrecht*, G.L., Q.M. Ketterings, M. E. Van Amburgh, and K.J. Czymmek (2004). It’s more than manure! A Whole Farm Nutrient Management Course at Cornell. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
61. Ketterings, Q.M., S. Swink*, G. Godwin*, K.J. Czymmek, and G.L. Albrecht* (2004). The New York Starter Phosphorus Project – Results of three years of on-farm research. 2004 NE ASA/SSSA meetings, Bordentown, New Jersey, July 11-14, 2004.
62. Cherney, J.H., Q.M. Ketterings, and J.L. Orloski* (2003). Reed Canarygrass elemental status above and below ground as influenced by N and K fertilization. 2003 ASA/SSSA/CSSA meeting, Denver, Colorado, November 2-6, 2003.
63. Woods*, M.S., F.S. Rossi, and Q.M. Ketterings (2003). Potassium application effects on extractable nonacid cations in a calcareous sand putting green. 2003 ASA/SSSA/CSSA meeting, Denver, Colorado, November 2-6, 2003.
64. Hyland, C., Z. Lan, J. Lehmann, and Q.M. Ketterings (2003). Phosphorus leaching and organic phosphorus forms in soil after long-term manure applications. 2003 ASA/SSSA/CSSA meeting, Denver, Colorado, November 2-6, 2003.
65. Albrecht*, G.L., C.N. Rasmussen*, Q.M. Ketterings, V. Durbal and K.J. Czymmek (2003). Cornell Cropware: a tool for nutrient management planning in New York State. 2003 ASA/SSSA/CSSA meeting, Denver, Colorado, November 2-6, 2003.
66. Ketterings, Q.M., T.F. Kilcer, and J.H. Cherney (2003). Nitrogen and potassium management for brown mid rib sorghum sudangrass – an environmentally sound alternative to corn silage? 2003 ASA/SSSA/CSSA meeting, Denver, Colorado, November 2-6, 2003.
67. Ketterings, Q.M. and K.J. Czymmek (2003). Phosphorus test conversions for high phosphorus soils. ASA/SSSA/CSSA meeting, Denver, Colorado, November 2-6, 2003.
68. Albrecht*, G.L., C.N. Rasmussen*, Q.M. Ketterings, V. Durbal and K.J. Czymmek (2003). Cornell Cropware: a software tool of the Cornell University Nutrient Management Planning System. 2003 NE ASA/SSSA meetings, Burlington, Vermont, June 29-July 2, 2003.
69. Klapwyk*, J.H., W. Deen and Q.M. Ketterings (2003). Temperature fluctuations impacts on the Illinois N soil test. 2003 NE ASA/SSSA meetings, Burlington, Vermont, June 29-July 2, 2003.
70. Galens*, N. and Q.M. Ketterings (2003). Laboratory calibration of the amino sugar-N soil test for New York. 2003 NE ASA/SSSA meetings, Burlington, Vermont, June 29-July 2, 2003.
71. Kilcer, T.F., P. Cerosalletti, P. Barney, A. Pell, D. Molina, Q.M. Ketterings and J.H. Cherney (2003). Harvest height management of BMR sorghum-sudangrass in the Northeast. 2003 NE ASA/SSSA meetings, Burlington, Vermont, June 29-July 2, 2003.
72. Ketterings, Q.M. (2002). Seasonal variability in soil test results using Morgan and Mehlich-III soil tests in New York. ASA/SSSA/CSSA Annual Meetings in Indianapolis, IN, November 10-14, 2002.
73. Ketterings, Q.M., T. Byron*, K.J. Czymmek, and S. Bossard (2002). Phosphorus dynamics in manure and compost based corn systems in New York State. Paper 1594 of Symposium 57: Soil properties as influence by the addition of organic fertilizers and amendments. 17th World Congress of Soil Science in Bangkok, Thailand, August 14-21, 2002. Volume 5 page 1717.
74. Kilcer, T.F., Q.M. Ketterings, and P. Cerosaletti (2002). Brown mid rib sorghum sudangrass in NY. NE ASA/SSSA Meetings in Morgantown, WV, July 14-17, 2002.
75. Geohring, L.D., T.S. Steenhuis, M.T. Walter, M.F. Walter, Q.M. Ketterings and K.J. Czymmek (2002). Phosphorus risk assessment tool for New York State. In: Phosphorus loss assessment tools. Session 64. 2002 ASAE Annual International Meeting / CIGR XVth World Congress. Chicago, Illinois, July 28-July 31, 2002. pp 3-17.
76. Ketterings, Q.M., B. Bellows, K.J. Czymmek, W.S. Reid, and R.F. Wildman (2001). Is there a Morgan equivalent for Mehlich-III soil tests for New York? ASA/SSSA/CSSA Annual Meetings in Charlotte, NC, October 21-25, 2001.
77. Ketterings, Q.M., B. Bellows, K.J. Czymmek, W.S. Reid, and R.F. Wildman (2001). Do Modified Morgan and Mehlich-III soil test results have Morgan Equivalents? Abstract 2001 Northeast Branch ASA/SSSA Annual meeting, June 24 – 27, Kingston, Rhode Island, USA.
78. Ketterings, Q.M., M. Van Noordwijk, and J.M. Bigham (2000). The benefits of a reduction in fallow period. An example from Indonesia. Abstract 2000 ASA, SSSA, ASA Annual meetings, November 5 – 9, Minneapolis, Minnesota, USA.
79. Ketterings, Q.M., M. Van Noordwijk, and J.M. Bigham (1999). Impacts of slash and burn fire intensity on P availability. Abstract 1999 ASA, CSSA, SSSA Annual meetings, October 31 – November 4, Salt Lake City, Utah, USA.
80. Ketterings, Q.M., M. Van Noordwijk, and J.M. Bigham (1999). Spatial variability of selected soil properties in broadcast and secondary pile and burn practices in Sumatra, Indonesia. Abstract 1999 ASA, CSSA, SSSA Annual meetings, October 31 – November 4, Salt Lake City, Utah, USA.
81. Van Noordwijk, M., B. Lusiana, and Q.M. Ketterings (1999). WaNuLCAS: a model of Water, Nutrient and Light Capture in Agroforestry Systems to evaluate alternatives to slash and burn. Abstract 1999 ASA, CSSA, SSSA Annual meetings, October 31 – November 4, Salt Lake City, Utah, USA.
82. Ketterings, Q.M., J.M. Bigham, and V. Laperche (1998). Effects of forest burning on soil mineralogy: results from field experiments in Indonesia. Abstract 1998 ASA, CSSA, SSSA Annual meetings, October 18-22, Baltimore, Maryland, USA.
83. Bohlen, P. J., R.W. Parmelee, M.F. Allen, and Q.M. Ketterings (1995). Uptake and redistribution of 15N by the earthworm, Lumbricus terrestris, in soil cores amended with various 15N-labeled substrates. Ecological Society of America Meeting, Fort Collins, CO, August 1995. Abstract, Bulletin of the Ecological Society of America.
84. Ketterings, Q.M., J.M. Blair and J.C.Y. Marinissen (1993). Effects of earthworms on soil aggregates and carbon and nitrogen storage in agro-ecosystems based on legume/rye winter cover crop nitrogen. Ecological Society of America Meeting, Madison, WI, August 1993. Abstract, Bulletin of the Ecological Society of America 74:306.