Potassium Fertility Research and Education

Sylvie M. Brouder

Sylvie M. Brouder, Associate Professor
Department of Agronomy, Purdue University,
915 West State St., West Lafayette, IN 47907-2054
Telephone: (765) 496-1489
FAX: (765) 496-2926
E-Mail: sbrouder@purdue.edu

Education:

B.A. Biology, 1985, Harvard University, Cambridge, MA
Ph.D. Ecology, 1993, University of California, Davis

Positions Held:

1986 to 1992 University of California, Davis, Agronomy Department Research Assistant

1987 University of California, Davis, Land, Air, and Water Resources Dept., Teaching Assistant

1993 to 1995 University of California, Davis, Agronomy Department Postdoctoral Associate

1995 to 2000 Purdue University, Assistant Professor

2000 to Present Purdue University, Associate Professor

Membership in Professional Societies:

American Society of Agronomy
Crop Science Society of America
Soil Science Society of America
American Association for the Advancement of Science
Council for Agricultural Science and Technology
Purdue University Cooperative Extension Specialist Association (PUCESA)

Extension/Technical Publications on Potassium

Cassman, K.G., D.C. Olk, S.M. Brouder, and B.A. Roberts. 1995. The influence of moisture regime, organic matter, and root ecophysiology on the availability and acquisition of potassium: Implications for lowland rice. In Proceedings of the 24th International Colloquium of the International Potash Institute, Feb. 21-24, 1994, Chiang Mai, Thailand.

Brouder, S.M. 1997. Modeling Soil-Plant Potassium Relations. 1999. In Frontiers in Potassium Nutrition: New Perspectives on the Effects of Potassium on Crop Plant Physiology. D. Oosterhuis (ed.). Proceedings of C-2 Symposium on Potassium Nutrition in Plants (Nov. 4th, 1996) American Society of Agronomy, Madison, WI. Pp. 143-153.

NCR13 Committee. 1998. Recommended Chemical Soil Test Procedures for the North Central Region. North Central Regional Research Publication No.221 (Revised). 1998. Missouri Agricultural Experiment Station Bull. SB1001. 72pp.

Reetz, H., S.M. Brouder, and J. Johnson. 1998. Negligence of Potassium in Soybeans: Are You Guilty? 1998. News and Views. Potash and Phosphate Inst. 4pp.

Berg, W.K., S.M. Cunningham, B.C. Joern, K.D. Johnson, S.M. Brouder, and J.J. Volenec. 1999. Potassium and phosphorus nutrition of alfalfa: a preliminary look at impact on yield components and root physiology. Better Crops No. 83:10-11.

Brouder, S.M. 2000. On-the-go sensors for variable rate nutrient management: Determining soil K status with a flat-surface, ion-selective electrode. In Proceedings of 30th North Central Extension-Industry Soil Fertility Conference, St. Louis, Missouri, Nov. 15-16. Pp 93-100.

Berg, W.K., J.J. Volenec, B.C. Joern, S.M. Cunningham, K.D. Johnson, and S.M. Brouder. 2000. Impact of potassium and phosphate nutrition on alfalfa yield components, forage quality and root physiology. p. 70 to 78, In: Proc. Iwate Univ. Workshop on Nutrient Use in Plant Ecosystems.

NCR-13 Committee. 2001. Soil Sampling for Variable Rate Fertilizer and Lime Application. G.W. Rehm, A. Mallarino, K. Reid, D. Franzen, and J. Lamb (eds.). North Central Multistate Report 348, Minnesota Agricultural Experiment Station, University of Minnesota, St. Paul, MN. Pp. 11.

Brouder, S.M., M. Thom, and B. Joern. 2001. Use of NaBPh4 as a routine assessment of soil K availability. Proceedings of the 16th Soil/Plant Analysts Workshop. Nov. 13-14, 2001, Des Moines, Iowa.

Brouder, S.M., B. Hoffman, and H. Reetz. 2001. Evaluating spatial variability of soil parameters for input management. Better Crops 85 (No.2): 8-11.

Vyn. T.J., B.J. Ball, D. Maier, and S.M. Brouder. 2002. High oil corn yield and quality responses to fertilizer potassium versus exchangeable potassium on variable soils. Better Crops 86 (No. 4):16-21.

Adamchuk, V.I., A. Dobermann, M.T. Morgan, and S.M. Brouder. 2002. Feasibility of On-the-go mapping of soil nitrate and potassium using ion-selective electrodes. In Proceedings of the 2002 ASAE Annual International Meetings / CIGR XVth World Congress, July 28-July 31, 2002, Chicago, IL. CDRom (Paper No. 02-1183).

Berg W.K., S.M. Brouder, B.C. Joern, and J.J. Volenec. 2002. Enhancing alfalfa production through improved phosphorus and potassium management. North Central Extension-Industry Soil Fertility Conference Proceedings. pg 46-52.

Berg W.K., S.M. Brouder, B.C. Joern, and J.J. Volenec. 2002. Enhancing alfalfa production through improved phosphorus and potassium management. Eastern Canada Agronomy Workshop Proceedings.

Berg W.K., S.M. Brouder, K.D. Johnson, B.C. Joern, and J.J. Volenec. 2002. Phosphorus and potassium effects on alfalfa growth, nutrient accumulation, and persistence. 2002 Forage and Grassland Council National Meeting Proceedings. pg 76-79.

Berg W.K., S.M. Brouder, B.C. Joern, K.D. Johnson, and J.J. Volenec. 2003. Enhancing alfalfa production through improved potassium management. Better Crops. 87, 8-11.

Berg W.K., S.M. Brouder, B.C. Joern, K.D. Johnson, and J.J. Volenec. 2003. Improved phosphorus management enhances alfalfa production. Better Crops. 87:20-23.

Berg, W. K. , B. C. Joern, K. D. Johnson, S. M. Brouder and J.J. Volenec. 2003. Physiological Links of Growth Stage and Nutrient Needs - Alfalfa. Fluid Fertilizer Foundation. Scottsdale AZ. 20:27-35.

Refereed Journal Articles on Potassium

Cassman, K.G., T.A. Kerby, B.A. Roberts, D.C. Bryant, and S.M. Brouder. 1989. Differential response of two cotton cultivars to fertilizer and soil potassium. Agron. J. 81: 870-876.

Brouder, S.M., and K.G. Cassman. 1990. Root development of two cotton cultivars in relation to potassium uptake and plant growth in a vermiculitic soil. Field Crops Res. 23: 187-203.

Brouder, S.M., and K.G. Cassman. 1994. Cotton root and shoot response to localized supply of nitrate, phosphate, and potassium: Split-pot studies with nutrient solution and vermiculitic soil. Plant Soil 161: 179-193.

Brouder, S.M., and K.G. Cassman. 1994. Evaluation of a mechanistic simulation model of potassium uptake by cotton in vermiculitic soil. Soil Sci. Soc. Am. J. 58: 1174-1183.

Cox, A.E., B.C. Joern, S.M. Brouder, and D. Goa. 1999. Evaluation of a modified sodium tetraphenylboron method for potassium availability in soils. Soil Sci. Soc. Am. J. 63. 902-911.

Vyn, T.J., X. Yin, T.W. Bruulsema, C.C. Jackson, I. Rajcan, and S.M. Brouder. 2002. Potassium fertilization effects on isoflavone concentrations in soybean [Glycine max (L.) Merr]. J. Agric. Food Chem. 50:3501-3506.

Brouder, S.M., M. Thom, V.I. Adamchuk, and M.T. Morgan. Potential uses of ion-selective K electrodes in soil fertility management. Commun. Soil Sci. Plant Anal. 34: 2699-2726.

PowerPoint Presentations on Potassium

“Innovations” in soil K testing for agriculture: NaBPh4 versus NH4OAc extraction. ServiTech CCA Workshop. West Lafayette, IN. Feb., 2002.
Potassium and soybean: Are we doing it right? InfoAg2003, Information Agricultural Conference Proceedings. Potash and Phosphate Institute. Indianapolis, IN. July 30 - Aug. 1, 2003.

Long(er) term studies on potassium. SEPAC Field Day and ACRE Soybean Day, North Vernon and West Lafayette, IN. Aug. 19th and Sept. 9th, 2003.