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United States Department of Agriculture

Agricultural Research Service

Related Topics

Keith A Kohler
Agroecosystems Management Research
Agricultural Science Research Technician (Plants)

Phone: (515) 294-8240
Fax: (515) 294-8125

Room 224
2110 UNIVERSITY BOULEVARD
NLAE
AMES , IA 500113120


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Minimizing interspecific competition in soybean by optimizing cover crop self-seeding -
Singer, J.W., Kohler, K.A., Meek, D.W. 2011. Minimizing interspecific competition in soybean by optimizing cover crop self-seeding. Agronomy Journal. 103(4):1186-1191.
Profitability of Cropping Systems Featuring Tillage and Compost -
Singer, J.W., Chase, C.A., Kohler, K.A. 2010. Profitability of Cropping Systems Featuring Tillage and Compost. Agronomy Journal. 102(2):450-456.
Living Mulch Forage Yield and Botanical Composition in a Corn-Soybean-Forage Rotation -
Singer, J.W., Kohler, K.A., Moore, K.J., Meek, D.W. 2009. Living Mulch Forage Yield and Botanical Composition in a Corn-Soybean-Forage Rotation. Agronomy Journal. 101(5):1249-1257.
SELF-SEEDING WINTER CEREAL COVER CROPS IN SOYBEAN -
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 -
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 -
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? -
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 -
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 -
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? -
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 -
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 -
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 -
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.
PLANT DENSITY INTERACTIONS WITH WINTER SMALL GRAIN/RED CLOVER INTERCROPS -
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.
METHOD AND TIMING OF RYE CONTROL AFFECTS SOYBEAN DEVELOPMENT AND RESOURCE UTILIZATION -
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 -
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.
TILLAGE AND COMPOST AFFECT YIELD OF CORN, SOYBEAN, AND WHEAT -
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 -
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 -
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.
SMALL GRAIN COVER CROPS FOR IOWA -
KASPAR, T.C., PARKIN, T.B., KOHLER, K.A. SMALL GRAIN COVER CROPS FOR IOWA. INTEGRATED CROP MANAGEMENT CONFERENCE PROCEEDINGS. 2001. P. 85-89.
EFFECTS OF SOIL DISTURBANCE TIMING ON WEED EMERGENCE PATTERNS -
WEED SEEDBANKS AND SEEDLING EMERGENCE IN TWO STRIP INTERCROPPING/ROTATION SYSTEMS -
EMERGENCE AND EARLY GROWTH OF SMOTHER PLANTS: EFFECTS ON WEED SUPPRESSION AND CROP YIELD -
SPRING-SEEDED SMOTHER PLANTS FOR WEED CONTROL IN CORN AND SOYBEAN -
OAT AND RYE OVERSEEDED INTO SOYBEAN AS FALL COVER CROPS IN THE UPPER MIDWEST -
INFLUENCING WEED POPULATIONS BY MANAGING COMPETITION WITH COVER AND SMOTHERCROP SYSTEMS -
SPRING-SEEDED SMOTHER PLANTS FOR WEED CONTROL IN CORN AND SOYBEAN -
OATS OVERSEEDED INTO SOYBEANS AS A FALL COVER CROP -
OATS OVERSEEDED INTO SOYBEAN AS A FALL COVER CROP -
SPRING-SEEDED SMOTHER PLANTS FOR WEED CONTROL IN CORN AND SOYBEAN -
OATS OVERSEEDED INTO SOYBEAN AS A FALL COVER CROP -
ANNUAL CHANGES IN FOXTAIL (SETARIA SPP.) SEED, CARYOPSIS, AND EMBRYO GERMINABILITY IN THE SOIL SEED BANK -
TILLAGE IN THE ABSENCE OF LIGHT AND WEED EMERGENCE: SPECIES RESPONSE AND APPLICATION -
SPRING-SEEDED SMOTHER PLANTS FOR WEED CONTROL IN CORN AND SOYBEAN -
OATS OVERSEEDED INTO SOYBEANS AS A FALL COVER CROP -
WEED EMERGENCE AND CONTROL IN STRIP INTERCROPPING/ROTATION SYSTEMS -
Last Modified: 5/2/2016
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