Projects

ALTERNATIVE MANAGEMENT PRACTICES FOR FARMING SYSTEMS UTILIZING MANURE Appropriated (D)   Accession Number: 410430

ENHANCED MIDWESTERN CROPPING SYSTEMS FOR SUSTAINABILITY AND ENVIRONMENTAL QUALITY Appropriated (D)   Accession Number: 414264

SUSTAINABLE CROPPING SYSTEMS FOR HARVESTING CORN STOVER FOR BIOMASS Reimbursable (R)   Accession Number: 412562

Publications

Modeling Winter Cereal Grain Canopies for Legume Intercrop Establishment - (Abstract)

Blaser, B.C., Gibson, L.R., Singer, J.W. 2008. Modeling Winter Cereal Grain Canopies for Legume Intercrop Establishment [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Oct. 5-9, 2008, Houston, TX.

Enhancing Nutrient Cycling by Coupling Cover Crops with Manure Injection - (Peer Reviewed Journal) - (02-Sep-08)

Sustainable corn-based bioenergy farming systems - (Abstract)

Singer, J.W., Laird, D.A., Cambardella, C.A., Karlen, D.L., Moore, K.J., Lamkey, K.R., Hatfield, J.L. 2008. Sustainable corn-based bioenergy farming systems. AGRO Division [abstract]. American Chemical Society National Meeting. No. 162.

Grass-Based Farming Systems: Soil Conservation and Environmental Quality - (Book/Chapter) - (01-Aug-08)

Corn Belt Assessment of Cover Crop Management and Preferences - (Other)

Singer, J.W. 2008. Corn Belt Assessment of Cover Crop Management and Preferences. Agronomy Journal. 100(6):1670-1672.

Rainfed farming systems in the USA - (Book/Chapter) - (29-May-08)

Vegetative buffers for swine odor mitigation - wind tunnel evaluation of air flow dynamics - (Proceedings/Symposium)

Sauer, T.J., Haan, F.L., Tyndall, J.C., Hernandez Ramirez, G., Trabue, S.L., Pfeiffer, R.L., Singer, J.W. 2008. Vegetative buffers for swine odor mitigation - wind tunnel evaluation of air flow dynamics. In: Proceedings of Mitigating Air Emissions from Animal Feeding Operations, May 19-20, 2008, Des Moines, IA. p.30-34.

Wind Tunnel Evaluation of Vegetative Buffer Effects on Air Flow near Swine Production Facilities - (Proceedings/Symposium)

Sauer, T.J., Haan, F.L., Tyndall, J.C., Hernandez Ramirez, G., Trabue, S.L., Pfeiffer, R.L., Singer, J.W. 2008. Wind Tunnel Evaluation of Vegetative Buffer Effects on Air Flow near Swine Production Facilities. Agricultural and Forest Meteorology Conference Proceedings. Available: http://ams.confex.com/ams/pdfpapers/138963.pdf.

Small Grain Winter Cover Crops for Corn and Soybean - (Other) - (01-Mar-08)

Optimum Stand Density of Spring Triticale for Grain Yield and Alfalfa Establishment - (Peer Reviewed Journal)

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.

Soybean Growth and Seed Yield Response to Tillage and Compost - (Peer Reviewed Journal)

Singer, J.W., Logsdon, S.D., Meek, D.W. 2008. Soybean Growth and Seed Yield Response to Tillage and Compost. Agronomy Journal. 100:1039-1046.

Vegetative buffers for swine odor mitigation - wind tunnel evaluation of air flow dynamics - (Abstract) - (04-Jan-08)

Rye Cover Crops in a Corn Silage-Soybean Rotation - (Abstract)

Kaspar, T.C., Singer, J.W. 2007. Rye Cover Crops in a Corn Silage-Soybean Rotation [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 4-8, 2007, New Orleans, LA.

Agriculture in the U.S. Corn Belt: Past, Present, and Future - (Abstract)

Karlen, D.L., Singer, J.W., Gibson, L.R. 2007. Agriculture in the U.S. Corn Belt: Past, Present, and Future [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 4-8, 2007, New Orleans, LA.

Coupling cover crops and manure injection: cover crop N and P uptake - (Abstract)

Singer, J.W., Moorman, T.B., Cambardella, C.A. 2007. Coupling cover crops and manure injection: cover crop N and P uptake [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 4-8, 2007, New Orleans, LA.

Impact of cereal grain canopy traits on intercropped legume productivity - (Abstract)

Blaser, B.C., Gibson, L.R., Singer, J.W. 2007. Impact of cereal grain canopy traits on intercropped legume productivity [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 4-8, 2007, New Orleans, LA.

Coupling Cover Crops and Manure Injection: Soil Inorganic N Changes - (Abstract)

Cambardella, C.A., Moorman, T.B., Singer, J.W. 2007. Coupling Cover Crops and Manure Injection: Soil Inorganic N Changes [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 3-6, 2007, New Orleans, LA.

Coupling Manure Injection with Cover Crops to Enhance Nutrient Cycling - (Proceedings/Symposium)

Singer, J.W., Cambardella, C.A., Moorman, T.B. 2007. Coupling Manure Injection with Cover Crops to Enhance Nutrient Cycling. Integrated Crop Management Conference Proceedings, November 28-29, 2007, Ames, IA. p. 255-258.

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 - (Proceedings/Symposium)

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.

Establishment and Growth of Self-Seeded Winter Cereal Cover Crops in a Soybean-Corn Rotation - (Peer Reviewed Journal)

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.

Self-Seeded Cereal Cover Crop Effects on Interspecific Competition with Corn - (Peer Reviewed Journal)

Mc Donald, P.B., Singer, J.W., Wiedenhoeft, M.H. 2008. Self-Seeded Cereal Cover Crop Effects on Interspecific Competition with Corn. Agronomy Journal. 100:440-446.

Soil and cover crop responses to liquid swine manure application - (Popular Publication)

Cambardella, C.A., Singer, J.W., Moorman, T.B. 2007. Soil and cover crop responses to liquid swine manure application. Iowa Manure Matters Odor and Nutrient Management Newsletter. 10(3).Available: http://www.extension.iastate.edu/pages/communications/EPC/Fall07/soilcovercrop.html.

Are Cover Crops Being Used in the US Corn Belt? - (Peer Reviewed Journal)

Singer, J.W., Nusser, S.M., Alf, C.J. 2007. Are Cover Crops Being Used in the US Corn Belt? Journal of Soil and Water Conservation. 62(5):353-358.

Radiation Balance and Evaporation Partitioning in a Narrow-row Soybean Canopy - (Peer Reviewed Journal)

Sauer, T.J., Singer, J.W., Prueger, J.H., Desutter, T.M., Hatfield, J.L. 2007. Radiation Balance and Evaporation Partitioning in a Narrow-row Soybean Canopy. Agricultural and Forest Meteorology. 145:206-214.

RADIATION USE EFFICIENCY IN DUAL WINTER CEREAL - FORAGE PRODUCTION SYSTEMS - (Peer Reviewed Journal)

Singer, J.W., Sauer, T.J., Blaser, B.C., Meek, D.W. 2007. Radiation use efficiency in dual winter cereal - forage production systems. Agronomy Journal. 99(4):1175-1179.

PREDICTING SPATIAL VARIATION OF CROP YIELD ACROSS A LANDSCAPE USING AGGREGATED ENVIRONMENTAL DATA - (Peer Reviewed Journal)

Williams, C.L., Liebman, M., Edwards, J.W., James, D.E., Singer, J.W., Arritt, R.W., Herzmann, D. 2008. Predicting spatial variation of crop yield across a landscape using aggregated environmental data. Crop Science. 48:1545-1559.

Are Cover Crops Being Used in the Corn Belt? - (Popular Publication)

Singer, J.W. 2007. Are Cover Crops Being Used in the Corn Belt?. Popular Publication. p. 1 and 6.

Winter Cereal, Seeding Rate, and Intercrop Seeding Rate Effect on Red Clover Yield and Quality - (Peer Reviewed Journal)

Blaser, B.C., Singer, J.W., Gibson, L.R. 2007. Winter Cereal, Seeding Rate, and Intercrop Seeding Rate Effect on Red Clover Yield and Quality. Agronomy Journal. 99(3):723-729.

EFFECT OF SOURCE AND RATE OF NITROGEN AND SULFUR FERTILIZER ON YIELD, QUALITY, AND MINERAL COMPOSITION OF STOCKPILED TALL FESCUE - (Peer Reviewed Journal)

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/.

Alfalfa living mulch advances biological control of soybean aphid - (Peer Reviewed Journal)

Schmidt, N.S., O'Neal, M.E., Singer, J.W. 2007. Alfalfa living mulch advances biological control of soybean aphid. Environmental Entomology. 36(2):146-424.

Forage quality of red clover intercropped in winter cereal grains - (Abstract)

Blaser, B.C., Singer, J.W., Gibson, L.R. 2006. Forage quality of red clover intercropped in winter cereal grains[CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts. Nov. 12-16, 2006, Indianapolis, IN.

Self-seeding small grain cover crops in a soybean-corn rotation - (Abstract)

Mc Donald, P.B., Singer, J.W., Wiedenhoeft, M.H. 2006. Self-seeding small grain cover crops in a soybean-corn rotation[CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts. Nov. 12-16, 2006, Indianapolis, IN.

Cover Crop Effects on the Fate of Swine Manure-N Applied to Soil - (Abstract)

Kaspar, T.C., Parkin, T.B., Singer, J.W. 2006. Cover Crop Effects on the Fate of Swine Manure-N Applied to Soil [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts. Nov. 12-16, 2006, Indianapolis, IN.

Effect of cover crop in mitigation of greenhouse gases emission from plots amended with swine manure - (Abstract)

Jarecki, M.K., Parkin, T.B., Chan, A., Moorman, T.B., Singer, J.W., Hatfield, J.L., Meek, D.W., Jones, R.A. 2006. Effect of cover crop in mitigation of greenhouse gases emission from plots amended with swine manure [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts. Nov. 12-16, 2006, Indianapolis, IN.

Use of aggregated environment data to predict spatial variation of crop yields across a landscape - (Abstract)

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.

Radiation use efficiency in dual winter small grain forage production systems - (Abstract)

Singer, J.W., Sauer, T.J., Blaser, B.C., Meek, D.W. 2006. Radiation use efficiency in dual winter small grain forage production systems [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts. Nov. 12-16, 2006, Indianapolis, IN.

TILLAGE AND COMPOST EFFECTS ON CORN GROWTH, NUTRIENT ACCUMULATION, AND GRAIN YIELD - (Peer Reviewed Journal)

Singer, J.W., Logsdon, S.D., Meek, D.W. 2007. Tillage and compost effects on corn growth, nutrient accumulation, and grain yield. Agronomy Journal. 99(1):80-87.

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.

COVER CROP EFFECTS ON THE FATE OF SWINE MANURE-N APPLIED TO SOIL - (Peer Reviewed Journal)

Parkin, T.B., Kaspar, T.C., Singer, J.W. 2006. Cover crop effects on the fate of swine manure-N applied to soil. Plant and Soil Journal. 289:141-152.

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.

INTERCROPPING WINTER CEREAL GRAINS AND RED CLOVER - (Experiment Station)

Gibson, L.R., Singer, J.W., Barnhart, S., Blaser, B.C. 2006. Intercropping winter cereal grains and red clover. Agricultural Experiment Station Publication. Available: http://www.extension.iastate.edu/Publications/PM2025.pdf

TERRAIN EFFECTS ON CORN YIELD DURING A 7-YEAR SMALL PLOT STUDY - (Abstract)

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.

OPTIMIZING SEEDING RATES FOR WINTER CEREAL GRAINS AND FROST-SEEDED RED CLOVER INTERCROPS - (Peer Reviewed Journal)

Blaser, B.C., Gibson, L.R., Singer, J.W., Jannink, J.L. 2006. Optimizing seeding rates for winter cereal grains and frost-seeded red clover intercrops. Agronomy Journal. 98(4):1041-1049.

COMPOST EFFECT ON WATER RETENTION AND NATIVE PLANT ESTABLISHMENT ON A CONSTRUCTION EMBANKMENT - (Peer Reviewed Journal)

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.

COVER CROP SELECTION AND MANAGEMENT FOR MIDWEST FARMING SYSTEMS - (Popular Publication)

Singer, J.W., Kaspar, T.C. 2006. Cover crop selection and management for midwest farming systems. Iowa Learning Farm Newsletter. Available: http://www.extension.iastate.edu/ilf/.

COMMENTARY ON CROP ROTATION - (Popular Publication)

Singer, J.W. 2006. Commentary on crop rotation. Pioneer Growing Point Magazine. January 2006. p. 21.

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.

EQUUS - CONSULTANT'S COLUMN - (Popular Publication)

Singer, J.W. 2006. Equus - Consultant's column. Equus. p. 91-92.

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.

COVER CROP SELECTION AND MANAGEMENT FOR AGRONOMIC FARMING SYSTEMS - (Proceedings/Symposium)

Singer, J.W., Kaspar, T.C. 2005. Cover crop selection and management for agronomic farming systems. In: Proceedings of the Integrated Crop Management Conference, Nov. 30-Dec. 1, 2005, Ames, IA. p. 197-198.

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.

LEGUME LIVING MULCHES FOR CORN AND SOYBEAN - (Experiment Station)

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

SMALL GRAIN COVER CROPS FOR CORN AND SOYBEAN - (Experiment Station)

Singer, J.W., Kaspar, T.C., Pedersen, P. 2005. Small grain cover crops for corn and soybean. Fact Sheet:PM 1999. Meeting Abstract. Available: http://www.extension.iastate.edu/pubs/Masterlist4.html#1800

EVALUATION OF WEED CONTROL STRATEGIES IN ORGANIC SOYBEAN PRODUCTION - (Peer Reviewed Journal)

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.

AN EXAMPLE OF DEVELOPING COVARIATES FOR PROBLEMS IN PRECISION AGRICULTURE - (Proceedings/Symposium)

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.

ASSESSING GROUND BEETLE CONTRIBUTION TO ECOSYSTEM SERVICES: DOES IT MATTER IF THERE ARE MORE GROUND BEETLES? - (Abstract)

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.

EQUUS CONSULTANTS COLUMN - BUTTERCUP CONTROL IN HORSE PASTURES - (Popular Publication)

Singer, J.W. 2005. Equus consultants column - buttercup control in horse pastures. Equus. p.114-115.

SOYBEAN DEVELOPMENT IS AFFECTED BY METHOD AND TIMING OF RYE CONTROL IN COVER CROP SYSTEMS - (Peer Reviewed Journal)

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.

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.

PASTURE REVIVAL STRATEGY - (Popular Publication)

Singer, J.W. 2004. Pasture revival strategy. Equus. 327:12-13.

AN EXAMPLE OF DEVELOPING COVARIATES FOR PROBLEMS IN PRECISION AGRICULTURE - (Proceedings/Symposium)

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.

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.

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.

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.

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.

Horse Pasture Management and Nutrition - (Book/Chapter) - (01-Aug-04)

CULTURAL AND MECHANICAL WEED CONTROL METHODS FOR ORGANIC SOYBEAN PRODUCTION - (Abstract)

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.

ESTIMATION OF DURATION INDICES FOR TENSIOMETER REPEATED MEASURES - (Peer Reviewed Journal)

Meek, D.W., Singer, J.W. 2004. Estimation of duration indices for tensiometer repeated measures. Agronomy Journal. 96(6):1787-1790.

FORAGES FOR CONSERVATION AND IMPROVED SOIL QUALITY - (Book/Chapter)

Karlen, D.L., Lemunyon, J.L., Singer, J.W. 2006. Forages for Conservation and Improved Soil Quality. In: Barnes, R.F., Nelson, C.J., Moore, K.J., Collins, M., editors. Sixth Edition of Forages, Volume II The Science of Grassland Agriculture. Ames, IA: Blackwell Publishing, Inc. p-149-166.

CONSULTANTS COLUMN-CENTIPEDEGRASS PASTURE QUESTION - (Popular Publication)

Singer, J.W. 2004. Consultants column-centipedegrass pasture question. Equus. P. 84.

REPEATED BIOMASS REMOVAL AFFECTS SOYBEAN RESOURCE UTILIZATION AND YIELD - (Peer Reviewed Journal)

Singer, J.W., Meek, D.W. 2004. Repeated biomass removal affects soybean resource utilization and yield. Agronomy Journal. P. 1382-1390.

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.

EVALUATION OF WEED CONTROL SYSTEMS IN ORGANIC SOYBEAN PRODUCTION - (Abstract)

KLUCHINSKI, D., SINGER, J.W. EVALUATION OF WEED CONTROL SYSTEMS IN ORGANIC SOYBEAN PRODUCTION. ASA-CSSA-SSSA PROCEEDINGS. 2003. CD-ROM. MADISON, WI.

PREDICTING YIELD LOSS IN INDETERMINATE SOYBEAN FROM POD DENSITY USING SIMULATED DAMAGE STUDIES - (Peer Reviewed Journal)

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.

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.

TALL FESCUE RESPONSE TO NITROGEN AND HARVEST DATE FOR STOCKPILED GRAZING IN THE UPPER MIDWEST - (Peer Reviewed Journal)

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.

CORN YIELD RESPONSE OF BT AND NEAR ISOLINES TO PLANT DENSITY - (Peer Reviewed Journal)

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

NITROGEN REMOVAL IN ORCHARDGRASS AND SMOOTH BROMEGRASS AND RESIDUAL SOIL NITRATE - (Peer Reviewed Journal)

SINGER, J.W., MOORE, K.J. NITROGEN REMOVAL IN ORCHARDGRASS AND SMOOTH BROMEGRASS AND RESIDUAL SOIL NITRATE. CROP SCIENCE. 2003. V. 43. P. 1420-1426.

PROFITABILITY OF VARIOUS CORN, SOYBEAN, WHEAT, AND ALFALFA CROPPING SYSTEMS - (Peer Reviewed Journal)

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.

FRESH VERSUS FIELD-CURED GRASS QUALITY AND NITRATE CONCENTRATION AT DIFFERENT NITROGEN RATES - (Abstract)

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.

EXTENSION PROGRAM IMPACT ON NEW JERSEY EQUINE PASTURE MANAGERS - (Abstract)

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.

SOYBEAN RESPONSE TO PLANT DENSITY AND RESIDUAL SOIL MANAGEMENT - (Peer Reviewed Journal)

SINGER, J.W., HECKMAN, J.R. SOYBEAN RESPONSE TO PLANT DENSITY AND RESIDUAL SOIL MANAGEMENT. JOURNAL OF SUSTAINABLE AGRICULTURE. 2003. V. 23. P. 79-90.

PASTURE MANAGEMENT PRACTICES OF NEW JERSEY EQUINE OWNERS - (Abstract)

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.

EFFECTIVENESS OF COOPERATIVE EXTENSION EQUINE PASTURE MANAGEMENT PROGRAMS - (Peer Reviewed Journal)

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.

FRESH VERSUS FIELD-CURED GRASS QUALITY, MINERAL, AND NITRATE CONCENTRATION AT DIFFERENT NITROGEN RATES - (Peer Reviewed Journal)

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.