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Karl Guillard, Professor of Agronomy
Education | Honors and Activities | Teaching | Current Projects | Publications | Complete CV | Turfgrass CV
Ph.D., University of Connecticut, 1986
M.S., University of Connecticut, 1983
B.S., Pennsylvania State University, 1979

2006 Faculty Excellence Award in Teaching at the Undergraduate level, University of Connecticut Alumni Association

2002 National Association of State Universities and Land-Grant Colleges, USDA Food and Agriculture Sciences Excellence in Teaching Award

2002 National Association of Colleges and Teachers of Agriculture Teaching Award of Merit

2001-2002 University of Connecticut Teaching Fellow Award.

Northeast Branch American Society of Agronomy/Soil Science Society of America 2001 Teaching Award.

1999 Editors’ Citation for Excellence in Manuscript Review, Journal of Environmental Quality

1997 Donald M. Kinsman Award for Excellence in CANR/RHSA Undergraduate Teaching by Junior Faculty, College of Agriculture and Natural Resources, University of Connecticut.

1992 New York Farmer’s Award for Outstanding Achievement in Agriculture.

Selected to participate in the Outstanding Young Scientist Session of the 1984 American Forage and Grassland Conference.

Selected to participate in the Outstanding Young Scientist Session of the 1984 American Forage and Grassland Conference.


(formerly class #)
SAPL 110/TURF 1100 (SAPL024/PLSC 124), Turfgrass Management
TURF 3200 (TURF 224), Turfgrass Physiology and Ecology
PLSC 3820 (PLSC 257), Ecology & Control of Weeds
TURF 3720 (TURF 284), Golf Course Design (Turfgrass and Construction Sections)
PLSC 5150 (PLSC 350), Design and Analysis of Agricultural Experiments


My research involves the development and evaluation of best management practices for turfgrass systems with emphasis on soil and water quality. Current studies include the use of anion exchange membranes and handheld reflectance meters to monitor available nitrogen in the rootzone.

I am also conducting research involving athletic and sports turf. Current studies include the characterization of baseball and softball skinned infield soil properties and the resultant ball reaction off the playing surface.


Mangiafico, S.S., and K. Guillard. 2007. Cool-season lawn turfgrass color and growth calibrated to leaf nitrogen. Crop. Sci. 47:1217–1224.

Mangiafico, S.S., and K. Guillard. 2007. Nitrate leaching from Kentucky bluegrass soil columns predicted with anion exchange membranes. Soil Sci. Soc. Am. J. 71:219–224.

Mangiafico, S.S., and K. Guillard. 2006. Anion exchange membrane soil nitrate predicts turfgrass color and yield. Crop. Sci. 46:569–577.   http://digitalcommons.uconn.edu/plsc_articles/15/

Mangiafico, S.S., and K. Guillard. 2006. Fall fertilization effects on nitrate leaching and turfgrass color and growth. J. Environ. Qual. 35:163–171.   http://digitalcommons.uconn.edu/plsc_articles/14/

Goodall, S.A., K. Guillard, W.M. Dest, and K. Demars. 2005. Ball response and traction of skinned infields amended with calcined clay at varying soil moisture contents. Int. Turfgrass Soc. Res. J. 10:1085–1093.

Dest, W.M., K. Guillard, J.S. Ebdon. 2005. The effect of reinforcement materials on wear tolerance, playing quality and physical properties in a silt loam and sand rootzone matrix. Int. Turfgrass Soc. Res. J. 10:1049–1059. http://digitalcommons.uconn.edu/plsc_articles/9/

Kopp, K.L., and K. Guillard. 2005. Clipping contributions to nitrate leaching in turfgrass under variable irrigation and N rates. Int. Turfgrass Soc. Res. J. 10:80–85. http://digitalcommons.uconn.edu/plsc_articles/12/

Mangiafico, S.S., and K. Guillard. 2005. Relationships among turfgrass reflectance meter measurements, chlorophyll, and soil nitrate desorbed from anion exchange membranes. Crop Sci. 45:259–265. http://digitalcommons.uconn.edu/plsc_articles/10/

Fitzpatrick, R.J.M, and K. Guillard. 2004. Kentucky bluegrass response to potassium and nitrogen fertilization. Crop Sci. 44:1721–1728.  http://digitalcommons.uconn.edu/plsc_articles/3/

Kopp, K. and K. Guillard. 2004. Decomposition and nitrogen release rates of turfgrass clippings. Proceedings of the 4th International Crop Science Congress. 26 September -1 October, 2004. Brisbane, Queensland, Australia.

Guillard, K., and K.L. Kopp. 2004. Nitrogen fertilizer form and associated nitrate leaching from cool-season lawn turf. J. Environ. Qual. 33:1822–1827. http://digitalcommons.uconn.edu/plsc_articles/11/

Guillard, K., and W.M. Dest. 2003. Extractable soil phosphorus concentrations and creeping bentgrass response on sand greens. Crop Sci. 43:272-281.  http://digitalcommons.uconn.edu/plsc_articles/4/

Kopp, K.L., and K. Guillard. 2002. Clipping management and N fertilization of turfgrass: Growth, N utilization, and quality. Crop Sci. 42:1225-1231.  http://digitalcommons.uconn.edu/plsc_articles/1/

Kopp, K.L., and K. Guillard. 2002. Relationship of turfgrass growth and quality to soil nitrate desorbed from anion exchange membranes. Crop Sci. 42:1232-1240.  http://digitalcommons.uconn.edu/plsc_articles/2/

Dest, W.M., and K. Guillard. 2001. Bentgrass response to K fertilization and K release rates from eight sand rootzone sources used in putting green construction. p. 375-381. In K Carey (ed.) Proc. 9th International Turfgrass Research Conf., Toronto, Canada. 15-21 July. ITS Guelph, Ontario, Canada. http://digitalcommons.uconn.edu/plsc_articles/13/

Dest, W.M., and K. Guillard. 1987. Nitrogen and phosphorus nutritional influences on bentgrass-annual bluegrass community composition. J. Amer. Soc. Hort. Sci. 112:769–773.


  Karl Guillard
University of Connecticut

1376 Storrs Rd., Unit 4067
Department of Plant Science
W.B. Young Building
Storrs, Connecticut 0626

Telephone: (860) 486-6309
fax: (860) 486-0682
email: karl.guillard@uconn.edu
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