Agricultural Land and Watershed Management Research Site Logo
ARS Home About Us Helptop nav spacerContact Us En Espanoltop nav spacer
Printable VersionPrintable Version     E-mail this pageE-mail this page
Agricultural Research Service United States Department of Agriculture
Search
  Advanced Search
 

Keith A Kohler
Agricultural Land and Watershed Management Research
Agricultural Science Research Technician (Plants)

Phone: (515) 294-8240
Fax: (515) 294-8125
Room 224
2110 UNIVERSITY BOULEVARD
NAT SOIL TILTH LAB
AMES, IA, 50011-3120


Publications
SELF-SEEDING WINTER CEREAL COVER CROPS IN SOYBEAN - (Peer Reviewed Journal)
Singer, J.W., Kohler, K.A., Mc Donald, P.B. 2007. Self-seeding winter cereal cover crops in soybean. Agronomy Journal. 99(1):73-79.
EFFECTS OF LIVING MULCHES ON PREDATOR ABUNDANCE AND SENTINEL PREY IN A CORN-SOYBEAN-FORAGE ROTATION - (Peer Reviewed Journal)
Prasifka, J.R., Schmidt, N.P., Kohler, K.A., O'Neal, M.E., Hellmich II, R.L., Singer, J.W. 2006. Effects of living mulches on predator abundance and sentinel prey in a corn-soybean-forage rotation. Environmental Entomology. 35(5):1423-1431.
EFFECT OF REPEATED GLYPHOSATE USE ON WEED COMMUNITIES IN A SOYBEAN-CORN ROTATION - (Peer Reviewed Journal)
Hartzler, R.G., Singer, J.W., Buhler, D.D., Kohler, K.A. 2006. Effect of repeated glyphosate use on weed communities in a soybean-corn rotation. Crop Management at www.cropmanagement.org.doi:10.1094/CM-2006-0308-01-RS.
CAN THE ADDITION OF A LIVING MULCH TO SOYBEAN IMPROVE BIOLOGICAL CONTROL OF SOYBEAN APHID? - (Abstract)
Schmidt, N.P., O'Neal, M., Singer, J.W., Kohler, K.A. 2005. Can the addition of a living mulch to soybean improve biological control of soybean aphid? [abstract]. Entomological Society of America Annual Meeting. Paper No. 0337.
SELF-SEEDING SMALL GRAIN COVER CROP SYSTEMS IN A SOYBEAN-CORN ROTATION - (Abstract)
Singer, J.W., Kohler, K.A. 2005. Self-seeding small grain cover crop systems in a soybean-corn rotation [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 6-10, 2005, Salt Lake City, UT.
WHEAT EFFECT ON FROST-SEEDED RED CLOVER CULTIVAR ESTABLISHMENT AND YIELD - (Peer Reviewed Journal)
Singer, J.W., Casler, M.D., Kohler, K.A. 2006. Wheat effect on frost-seeded red clover cultivar establishment and yield. Agronomy Journal. 98:265-269.
ASSESSING CARABIDS CONTRIBUTION TO ECOSYSTEM SERVICES: DOES IT MATTER IF THERE ARE MORE BEETLES? - (Peer Reviewed Journal)
O'Neal, M.E., Prasifka, J.R., Schmidt, N.P., Singer, J.W., Hellmich II, R.L., Kohler, K.A. 2006. Assessing carabids contribution to ecosystem services: Does it matter if there are more beetles? American Entomologist. 51:231-233.
RYE COVER CROP MANAGEMENT AFFECTS GRAIN YIELD IN A SOYBEAN-CORN ROTATION - (Peer Reviewed Journal)
Singer, J.W., Kohler, K.A., 2005. Rye cover crop management affects grain yield in a soybean-corn rotation. Available: www.cropmanagement.org. doi:10.1094/CM-2005-0224-02-RS.
METHOD AND TIMING OF RYE CONTROL AFFECTS SOYBEAN DEVELOPMENT AND RESOURCE UTILIZATION - (Peer Reviewed Journal)
Westgate, L.R., Singer, J.W., Kohler, K.A. 2005. Method and timing of rye control affects soybean development and resource utilization. Agronomy Journal. 97:806-816.
THE EFFECT OF PERENNIAL COVER CROPS ON NATURAL ENEMY COMMUNITIES IN CORN AND SOYBEAN - (Abstract)
Schmidt, N., Oneal, M., Singer, J.W., Kohler, K.A., Prasifka, J.R., Hellmich Ii, R.L. 2004. The effect of perennial cover crops on natural enemy communities in corn and soybean [abstract]. Entomological Society of America Annual Meeting. Poster No. D0081.
METHOD AND TIMING OF RYE CONTROL AFFECTS SOYBEAN DEVELOPMENT AND RESOURCE UTILIZATION - (Abstract)
Westgate, L.R., Singer, J.W., Kohler, K.A. 2004. Method and timing of rye control affects soybean development and resource utilization [CD-ROM]. Madison, WI. ASA-CSSA-SSSA Annual Meeting Abstracts.
WINTER WHEAT EFFECTS ON ESTABLISHMENT OF FROST-SEEDED RED CLOVER CULTIVARS - (Abstract)
Singer, J.W., Casler, M.D., Kohler, K.A. 2004. Winter wheat effects on establishment of frost-seeded red clover cultivars [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. Madison, WI.
PLANT DENSITY INTERACTIONS WITH WINTER SMALL GRAIN/RED CLOVER INTERCROPS - (Abstract)
Blaser, B.C., Gibson, L.R., Singer, J.W., Jannink, J.L., Kohler, K.A. 2004. Plant density interactions with winter small grain/red clover intercrops [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. Madison, WI.
TILLAGE AND COMPOST AFFECT YIELD OF CORN, SOYBEAN, AND WHEAT - (Abstract)
SINGER, J.W., KOHLER, K.A., LIEBMAN, M., RICHARD, T.L., CAMBARDELLA, C.A., BUHLER, D.D. TILLAGE AND COMPOST AFFECT YIELD OF CORN, SOYBEAN, AND WHEAT. ASA-CSSA-SSSA ANNUAL MEETING ABSTRACTS. 2003. CD-ROM. MADISON, WI.
IMPACTS OF COMPOSTED SWINE MANURE ON WEED AND CORN NUTRIENT UPTAKE, GROWTH, AND SEED PRODUCTION - (Peer Reviewed Journal)
Liebman, M., Menalled, R.D., Buhler, D.D., Richard, T.L., Sundberg, D.N., Cambardella, C.A., Kohler, K.A. 2004. Impacts of composted swine manure on weed and corn nutrient uptake, growth, and seed production. Weed Science. 52:365-375.
TILLAGE AND COMPOST AFFECT YIELD OF CORN, SOYBEAN, AND WHEAT AND SOIL FERTILITY - (Peer Reviewed Journal)
SINGER, J.W., KOHLER, K.A., LIEBMAN, M., RICHARD, T.L., CAMBARDELLA, C.A., BUHLER, D.D. TILLAGE AND COMPOST AFFECT YIELD OF CORN, SOYBEAN, AND WHEAT AND SOIL FERTILITY. AGRONOMY JOURNAL. 2004. V. 96. P. 531-537.

   
 
Last Modified: 11/10/2008
ARS Home | USDA.gov | Site Map | Policies and Links 
FOIA | Accessibility Statement | Privacy Policy | Nondiscrimination Statement | Information Quality | USA.gov | White House