Quirine Ketterings
Nutrient Management in Agricultural Systems

817 Bradfield Hall phone: (607) 255-3061 E-mail: qmk2@cornell.edu B.S. in tropical agriculture 1990 Larenstein International Agricultural College, the Netherlands M.S. in soil and water 1992 Wageningen University and Research Center, the Netherlands Ph.D. in environmental sciences 1999 Ohio State University Website: Nutrient Management Spear Program Quirine Ketterings, Associate Professor, joined the Crop and Soil Sciences faculty in 2000. Prior to coming to Cornell, she conducted her Ph.D. research on the effects of fire intensity in slash fires in Indonesia on soil fertility in collaboration with the International Center for Research in Agroforestry Southeast Asia Regional Program (ICRAF-SEA). She came to Cornell in August, 2000, to work on nutrient management issues for field crops primarily geared towards the dairy industry within the state of New York and has an extension (70%) and research (30%) appointment. She established and leads the Cornell University Nutrient Management Spear Program (http://nmsp.css.cornell.edu), an extension, teaching and applied research program for crop and manure nutrient management in New York. Areas of work include whole farm nutrient balances, the use of inorganic and organic (animal manures, composts) nutrients, indicators of environmental impacts of nutrient management, and the relationships between nutrient management and product quality. Quirine co-chairs the CALS Integrated Nutrient Management for Dairy and Livestock Farms Program Work Team (CALS INM PWT) and the Northeast Region Certified Crop Advisors (NERCCA).

Extension/Research Program The main goal of Quirine's extension/research program is to improve grower and agricultural industry awareness of crop nutrient needs, crop quality, management of organic resources, environmentally sound nutrient management practices, and overall soil fertility management in the state of New York with environmentally safe fertilizer recommendations and organic resource management as the long-term goal. This program involves applied research on farms and experimental stations in collaboration with Cornell Cooperative Extension, the agricultural industry and New York farmers. Field trials are supplemented with greenhouse and laboratory experiments to increase process level understanding. Teaching Quirine co-teaches AS/CSS 412: Whole Farm Nutrient Management, together with Mike van Amburgh (AS), in Spring semesters. This course (2 or 4 credits) provides students with an understanding of the concepts underlying whole farm nutrient management planning to improve profitability while protecting water and air quality. They will learn and apply comcepts in the development of a Comprehensive Nutrient Management Plan (CNMP) that is required for a CAFO (Concentrated Animal Feeding Operation) plan to meet environmental regulations. Students will develop components of a CNMP for a case study farm, using Cornell University Nutrient Management Planning System (cuNMPS) and other tools. Students will learn the concepts of a CNMP during the first half of the semester in Module 1 (2 credits). Students opting to continue through the end of the semester in Module 2 (enrolled in the 4 credit option) will build upon knowledge gained in the first half of the semester by learning the knowledge and gaining the skills necessary to integrate crop production and herd feeding management for reducing nutrient imports on farms.

Selected Publications (2005-2007) 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 (in press). 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. Forage and Grazinglands (in press). 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 (in press). 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 (published on-line January 10, 2007). DOI: 10.1007/s10705-006-9065-3. 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 (published on-line July 14, 2006). Özgül, M, M. Turan, and Q.M. Ketterings (2006). Short- and long-term phosphorus availability in four soil orders under native vegetation in Turkey. Acta Agriculturĉ Scandinavica Section B, Soil and Plant Science (published on-line December 10). DOI: 10.1080/09064710601029695. 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(6): 408-416. 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. 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(4): 655-663. 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. 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. DOI: 10.1016/j.apsoil.2006.01.008. Applied Soil Ecology 34(2-3): 240-249. 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. 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. 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. Journal of Natural Resources and Life Science Education 35: 12-23. 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. 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(19): 7485-7491. 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(2): 1015-1020. 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(17): 6672-6680. 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. 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. Journal of Food, Agriculture and Environment 3(2): 360-365. Klapwyk, J.H., and Q.M. Ketterings (2005). Reducing laboratory variability of the Illinois soil N test with enclosed griddles. Soil Science Society of America Journal 69(4): 1129-1134. Ketterings, Q.M. and M. Flock (2005). Comparison of Bray-1 and Mehlich-3 tests in high phosphorus soils. Soil Science 170(3): 212-219. 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(2): 110-119. 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(1): 10-20. 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(1): 41-46. 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(1): 35-40. For a complete list of publications and current CV