Gibson, L.R., Singer, J.W., Vos, R.J., Blaser, B.C. 2008. Optimum Stand Density of Spring Triticale for Grain Yield and Alfalfa Establishment. Agronomy Journal. 100:911-916.
Kaspar, T.C., Kladivko, E.J., Singer, J.W., Morse, S., Mutch, D. 2008. Potential and limitations of cover crops, living mulches, and perennials to reduce nutrient losses to water sources from agricultural fields in the upper Mississippi basin. In: Final Report: Gulf Hypoxia and Local Water Quality Concerns Workshop. St. Joseph, Michigan, ASABE. p.129-148.
Mc Donald, P.B., Singer, J.W., Wiedenhoeft, M.H. 2008. Establishment and Growth of Self-Seeded Winter Cereal Cover Crops in a Soybean-Corn Rotation. Agronomy Journal. 100:432-439.
Singer, J.W., Moore, K.J., Hintz, R.L., Patrick, P.K., Summer, P. 2007. Effect of source and rate of nitrogen and sulfur fertilizer on yield, quality, and mineral composition of stockpiled tall fescue. Available: Crop Management doi:10.1094/CM-2007-0507-01-RS, www.plantmanagementnetwork.org/sub/cm/research/2007/fertilizer/.
Williams, C., Liebman, M., Edwards, J.W., James, D.E., Herzmann, D., Singer, J.W., Arritt, R. 2006. Use of aggregated environment data to predict spatial variation of crop yields across a landscape. American Society of Agronomy Abstracts. P314-3.
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.
Meek, D.W., Singer, J.W. 2006. Terrain effects on corn yield during a 7-year small plot study [abstract]. Eighteenth Annual Conference on Applied Statistics in Agriculture Programs. p. 17.
Singer, J.W., Malone, R.W., Tomer, M.D., Meade, T.G., Welch, J. 2006. Compost effect on water retention and native plant establishment on a construction embankment. Journal of Soil and Water Conservation. 61(5):268-273.
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.
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.
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.
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.
Singer, J.W., Pedersen, P. 2005. Legume living mulches for corn and soybean. Extension Fact Sheets. Fact Sheet:PM 2006. Available: http://www.extension.iastate.edu/Publications/PM2006.pdf
Kluchinski, D., Singer, J.W. 2005. Evaluation of weed control strategies in organic soybean production. Available: Crop Management doi:10.1094/CM-2005-0614-01-RS.
Meek, D.W., Singer, J.W. 2005. An example of developing covariates for problems in precision agriculture. Applied Statistics In Agriculture Conference Proceedings. p. 270-278.
O'Neal, M.E., Singer, J.W., Schmidt, N., Prasifka, J.R., Hellmich II, R.L. 2005. Assessing ground beetle contribution to ecosystem services: does it matter if there are more ground beetles?. [abstract]. NCB-ESA North Central Branch Entomological Society of America. Paper No. 102.
Westgate, L.R., Singer, J.W., 2005. Soybean development is affected by method and timing of rye control in cover crop systems. Journal of Natural Resources and Life Sciences Education. 34:17-21.
Meek, D.W., Singer, J.W. 2005. An example of developing covariates for problems in precision agriculture. In: Milliken, G. (Ed). Proceedings of the 16th Conference on Applied Statistics In Agriculture, April 25-27, 2004. Manhattan, KS. p. 270-278.
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.
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.
Kluchinski, D., Singer, J.W. 2004. Cultural and mechanical weed control methods for organic soybean production [abstract]. National Association of County Agricultural Agents Proceedings. p. 41-42.
SINGER, J.W., MALONE, R.W., MEEK, D.W., DRAKE, D. PREDICTING YIELD LOSS IN INDETERMINATE SOYBEAN FROM POD DENSITY USING SIMULATED DAMAGE STUDIES. AGRONOMY JOURNAL. 2004. V. 96. P. 584-589.
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.
SINGER, J.W., HINTZ, R.L., MOORE, K.J., WIEDENHOEFT, M.H., BRUMMER, E.C. TALL FESCUE RESPONSE TO NITROGEN AND HARVEST DATE FOR STOCKPILED GRAZING IN THE UPPER MIDWEST. CROP MANAGEMENT at www.cropmanagement.org. 2003. AVAILABLE FROM: www.plantmanagementnetwork.org/pub/cm/research/2003/fescue.
SINGER, J.W., TAYLOR, R.W., BAMKA, W.J. CORN YIELD RESPONSE OF BT AND NEAR ISOLINES TO PLANT DENSITY. CROP MANAGEMENT at www.cropmanagement.org. 2003. Available from:
http://www.plantmanagementnetwork.org/pub/cm/research/2003/density/www.cropmanagement.org
SINGER, J.W., CHASE, C.A., KARLEN, D.L. PROFITABILITY OF VARIOUS CORN, SOYBEAN, WHEAT, AND ALFALFA CROPPING SYSTEMS. CROP MANAGEMENT at www.cropmanagement.org. 2003. Available from: www.cropmanagement.org/doi:10.1094/CM-2003-0130-01-RS.
SINGER, J.W. FRESH VERSUS FIELD-CURED GRASS QUALITY AND NITRATE CONCENTRATION AT DIFFERENT NITROGEN RATES. AMERICAN SOCIETY OF AGRONOMY MEETINGS. 2002. CD-ROM. MADISON, WI.
KLUCHINSKI, D., SINGER, J.W., BAMKA, W.J. EXTENSION PROGRAM IMPACT ON NEW JERSEY EQUINE PASTURE MANAGERS. AMERICAN SOCIETY OF AGRONOMY MEETINGS. 2002. CD-ROM. MADISON, WI.
KLUCHINSKI, D., SINGER, J.W., BAMKA, W.J. PASTURE MANAGEMENT PRACTICES OF NEW JERSEY EQUINE OWNERS. NORTHEAST BRANCH OF AMERICAN SOCIETY OF AGRONOMY ABSTRACTS. 2002. CD-ROM. MADISON, WI.
SINGER, J.W., KLUCHINSKI, D., BAMKA, W.J., BOBSIN, N., GOVINDASAMY, R. EFFECTIVENESS OF COOPERATIVE EXTENSION EQUINE PASTURE MANAGEMENT PROGRAMS. JOURNAL OF NATURAL RESOURCES AND LIFE SCIENCES EDUCATION. 2002. V. 31. P. 59-61.
SINGER, J.W. FRESH VERSUS FIELD-CURED GRASS QUALITY, MINERAL, AND NITRATE CONCENTRATION AT DIFFERENT NITROGEN RATES. CROP SCIENCE. 2002. V. 42. P. 1656-1661.