UC Davis Plant SciencesStephen R. Kaffka


Curriculum Vitae



BS:  Biological Sciences, University of California, Santa Cruz (1979),
Hohenheim University, (Germany) Agricultural Sciences (1980),
MS:  Agronomy, Cornell University (1984),
PhD:  Agronomy, Cornell University (1986)


American Society of Agronomy (1981-present) A5 (Environmental Quality) program chair (2007), Crop Science Society (1981-present), Soil Science Society of America (1986-present), California Chapter, American Society of Agronomy (1994-present), American Society of Sugarbeet Technologists (1993-present)-Distinguished service award, 2006,  International Institute for Sugarbeet Research (1995-present), SERA-17 (regional research group focusing on P management and cycling) 2000 to present.  International Society for Organic Farming Research (2003 to present). 

Director, California Biomass Collaborative 2007 to present. 
Director, Long Term Research on Agricultural Systems Project, College of Agricultural and Natural Resources, University of California, Davis. 2003 to 2007. 
Co-Chair, Bioenergy Work Group, Chair, Sugarbeet Work Group,
Co-chair, UC Water Quality Work Group. 
California Chapter, American Society of Agronomy. (Board of Directors:  1995 to 2002.  President: 2001). 
American Society of Sugarbeet Technologists.  Board of Directors.  (2000 to 2004). 
Salinity Technical Advisory Committee, State Water Resources Control Board. 2007 to present
Ex-officio member, California Bioenergy Interagency Working Group 2008 to present.


Kaffka, S.R., 2009. Book Review:  Water War in the Klamath Basin, Macho Law, Combat Biology and Dirty Politics. (in press).  Vadose Zone Journal. 

Kaffka, S.R., (in press).  Can we grow biofuel feedstock crops in California sustainably?  California Agriculture.

Jenkins, B.M, Williams, R.B., Parker, N., Tittmann, P., Hart, Q., Gildart, M.C., Kaffka, S.R., Hartsough, B.R., Dempster, P. (in press). California Biomass Resources, Potentials, Logistics, and Current Uses.  California Agriculture.

Grattan,S.R.,  J.D. Oster, S.E. Benes, and S.R. Kaffka.  2009. Use of saline drainage waters for irrigation. In. (W.W. Wallendar and K.K. Tanji, eds). Agricultural Salinity Assessment and Management (2nd edition). ASCE (In press)

Grattan,S.R.,  J.D. Oster, S.E. Benes, and S.R. Kaffka.  2009. Drainage water reuse: Concepts, practices and potential crops. (A. Chang, editor). UC University Press (In press)

Kaffka, S.R., 2009.  Review:  Kline, K., et al. 2009.  In Defense of Biofuels, Done Right.  Issues in Science and Technology: http://www.issues.org/25.4/forum.html

Kaffka, S.R., 2009. Book Review:  Developing and Extending Sustainable Agriculture, a New Social Contract.  C.A. Francis et al. (eds).  Vadose Zone Journal (on-line).   

Corwin, D.L., Lesch, S.M., Oster, J.D., and Kaffka, S.R., 2008. Short-term sustainability of drainage water reuse:  Spatio-temporal impacts on soil chemical properties.  J. Environ. Qual. 37:S-8-24.  

Mitchell, A.E., Hong, Y-J, Koh, E, Barrett, D.M., Bryant, D. E., Denison, R.F., Kaffka, S.R.; (2008). A ten-year comparison of the influence of organic and conventional crop management practices on the content of flavonoids in tomatoes, J. Agric. Food Chem. 55(15)6154-6159

Oster, J.D., Wichelns, D, and Kaffka, S.R.  (2008).  Salt management-a key to irrigation sustainability in arid climates.  Proceedings of the ICID, Sacramento. CA,  

Wintermantel, W. M., and Kaffka, S.R. (2006).  Sugar beet performance with curly top is related to virus accumulation and age at infection.  Plant Disease 90:657-662. 

D.L. Corwin, S.M. Lesch, J.D. Oster and S.R. Kaffka.  (2006). Monitoring management-induced spatio–temporal changes in soil quality through soil sampling directed by apparent electrical conductivity. Geoderma, 131 (3/4)369-387.

Kaffka, S., Bryant, D. and Denison, F.  (2005).  Comparisons of organic and conventional maize and tomato cropping systems from a long-term experiment. P 218-221 in:  Koepke, U., Niggli, U., Neuhoff, D., Cornish, P., Lockeretz, W., and Willer, H. (eds.).  Researching Sustainable Systems.  Proc. Of the First Scienctific Conference of the International Soceity for Organic Agriculture Research, 21-23 September 2005, Adelaide, Australia.  Research Instiute of Organic Agriculutre (FiBL), Frick,Switzerland.  660p. 

Kaffka, S.R., Lesch, S. M., Bali, K. and Corwin, D.L. (2005).  Sugar beet yield in variable salt-affected fields and the use of geo-referenced electromagnetic induction assessment. Comp. and Electronics in Agric. 46(1-3)329-350. 

Kaffka, S.R. and Hembree, K. (2004).  The effects of saline soil and irrigation on sugarbeet stand establishment.  J. of Sugar Beet Research, 41(3)61-72. 

Kaffka, S., Oster, J., Maas, J., and Corwin, D(2004).  Forage production and soil reclamation using saline drainage water. Pg 247-253 IN: (ANON).  Proceedings of the 2004 National Alfalfa Symposium, San Diego, California, Dec.13-15. 387pg. 

Kaffka, S.R. (2004).  Farming Systems, Soils, and Pest Management.  In:   Anon (ed.).  Proceedings of the IVth California Conference on Biological Control.  July 13-15, 2004.  Berkeley, California 

Corwin, D., Kaffka, S.R.,Oster, J. R., Hopmans, J., Mori, Y., van Groenigen, J-W., and van Kessel, C.  (2003). Assessment and field-scale mapping of soil quality properties of a saline-sodic soil.  Geoderma 114:231-259. 

Lark, R.M., Kaffka, S.R., and Corwin, D. L. (2003).  Multi-resolution analysis of data on electrical conductivity of soil using wavelets.  J. of Hydrology 272:276-290. 

Kaffka, S.R., Wintermantel, W. M., and Lewellen, R. (2002). Comparisons of soil and seed applied systemic insecticides to control Beet Curly Top Virus in the San Joaquin Valley. J. of Sugar Beet Research. 39(3-4):59-74.  

Kaffka, S.R., and Dhawan, A. (2002).  Farming practices and water quality in the upper Klamath Basin.  In: Stephens, L. (ed.) Helping Irrigated Agriculture Adjust to TMDLs.  Pg 9-22 In: McGahan, J. C. and Anderson, S.S. (Eds.)  Proceedings of the U. S. Committee on Irrigation and Drainage.  October 23-26. 2002.  Sacramento, CA.

Kaffka, S.R. and Danosky, E. (2002).  Farming Practices and Water Quality in the Upper Klamath Basin.  Final report to the California State Water Resources Control Board.  Sacramento, California. 168 p. 

Bassil, E.S., Kaffka, S.R., and Hutmacher, R. (2002).  Response of safflower (Carthamus tinctorius Linn) to residual soil N following cotton (Gossypium spp.) in the San Joaquin Valley of California.  J. Agric. Research, Cambridge. 8(1) 1-8. 

Kaffka, S.R, Dhawan, A., and Kirby, D. (2002).   Irrigation, agricultural drainage, and nutrient loading in the Upper Klamath Basin.  Proc. International Ecosystem Health Congress., Sacramento, California.  August 1999.  Lewis/CRC press.

Bassil, E. and Kaffka, S.R.  (2001). Response of safflower (Carthamus tinctorius L.) To saline soils and irrigation. I.  Consumptive water use.   Agric. Water Management 54:67-80. 

Bassil, E. and Kaffka, S.R. (2001).  Response of safflower (Carthamus tinctorius L.) To saline soils and irrigation. II.  Crop growth and yield.   Agric. Water Management 54:81-92. 



© UC Davis | Stephen R. Kaffka, Department of Plant Sciences | One Shields Ave | Davis, CA 95616 | Last update: 10/14/09