Projects

SUSTAINABLE DRYLAND CROPPING SYSTEM FOR THE CENTRAL GREAT PLAINS Appropriated (D)   Accession Number: 420253

DEVELOPMENT OF CROP PRODUCTION SYSTEMS AND ALTERNATIVE BIO-ENERGY CROPS FOR THE CENTRAL GREAT PLAINS REGION Specific Cooperative Agreement (S)   Accession Number: 416537

Publications (Clicking on the reprint icon will take you to the publication reprint.)

Soil carbon changes influenced by soil management and calculation method - (Peer Reviewed Journal) - (01-Apr-13)

Simulating crop phenological responses to water stress using the phenology mms software component - (Peer Reviewed Journal) - (08-Jan-13)

Simulated yield and profitability of five potential crops for intensifying the dryland wheat-fallow production system - (Peer Reviewed Journal)

Anapalli, S., Nielsen, D.C., Ahuja, L.R., Ma, L., Lyon, D.J. 2012. Simulated yield and profitability of five potential crops for intensifying the dryland wheat-fallow production system. Agricultural Water Management. 116(2013):175-192.

Principles of water capture, evaporation, and soil water retention - (Abstract Only) - (15-Jul-12)

Yields in stripper header vs conventional header in dryland cropping systems - (Abstract Only) - (15-Jul-12)

Canopy cover and leaf area index relationships for wheat, triticale, and corn - (Peer Reviewed Journal)

Nielsen, D.C., Miceli-Garcia, J.J., Lyon, D.J. 2012. Canopy cover and leaf area index relationships for wheat, triticale, and corn. Agronomy Journal. 104:1569-1573.

Simulating the production potential of dryland spring canola in the Central Great Plains - (Peer Reviewed Journal)

Nielsen, D.C., Saseendran, S.A., Ma, L., Ahuja, L.R. 2012. Simulating the production potential of dryland spring canola in the Central Great Plains. Agronomy Journal. 104:1182-1188.

Year Patterns of Climate Impact on Wheat Yields - (Peer Reviewed Journal)

Yu, Q., Li, L., Luo, Q., Eamus, D., Wang, E., Nielsen, D.C., Xu, S., Chen, C. 2013. Year Patterns of Climate Impact on Wheat Yields. International Journal of Climatology. doi:10.1002/JOC.3704.

Comparison of methods to evaluate soil and crop management-induced soil carbon changes - (Proceedings)

Mikha, M.M., Benjamin, J.G., Halvorson, A.D., Nielsen, D.C. 2012. Comparison of methods to evaluate soil and crop management-induced soil carbon changes. 2012 Great Plains Soil Fertility Conference Proceedings. 14:258-264. March 6-7, 2012. Denver, Colo.

Irrigation capacity impact on limited irrigation management and cropping systems - (Proceedings)

Schneekloth, J.P., Nielsen, D.C., Schlegel, A. 2012. Irrigation capacity impact on limited irrigation management and cropping systems. Proceedings of the 24th Annual Central Plains Irrigation Conference. pg 68-78. Feb. 21-22, 2012.

Calibrating RZWQM2 model for maize responses to deficit irrigation - (Peer Reviewed Journal)

Ma, L., Trout, T.J., Ahuja, L.R., Bausch, W.C., Saseendran, S.A., Malone, R.W., Nielsen, D.C. 2011. Calibrating RZWQM2 model for maize responses to deficit irrigation. Agricultural Water Management. 103 (2012):140-149.

Using the least limiting water range to evaluate water stress on crops - (Abstract Only) - (07-Sep-11)

Soybean forage yield response to water - (Abstract Only) - (15-Aug-11)

Comparing cropping system productivity of fixed rotations and a flexible fallow system using Aqua-Crop - (Abstract Only) - (15-Aug-11)

Water use and yields of no-till managed dryland grasspea and yellow pea under different planting configurations - (Peer Reviewed Journal)

Calderon, F.J., Vigil, M.F., Nielsen, D.C., Benjamin, J.G., Poss, D.J. 2012. Water use and yields of no-till managed dryland grasspea and yellow pea under different planting configurations. Field Crops Research. 125:179-185.

Forage soybean yield and quality response to water use - (Peer Reviewed Journal)

Nielsen, D.C. 2011. Forage soybean yield and quality response to water use. Field Crops Research. 124:400-407.

Climate change impacts on dryland cropping systems in the central Great Plains, USA - (Peer Reviewed Journal)

Ko, J., Ahuja, L.R., Anapalli, S., Green, T.R., Ma, L., Nielsen, D.C., Walthall, C.L. 2011. Climate change impacts on dryland cropping systems in the central Great Plains, USA. Climatic Change. 111:445-472.

Phenology MMS: a program to simulate crop phenological responses to water stress - (Peer Reviewed Journal)

Mcmaster, G.S., Edmunds, D.A., Wilhelm, W.W., Nielsen, D.C., Prassad, P.V., Ascough II, J.C. 2011. Phenology MMS: a program to simulate crop phenological responses to water stress. Computers and Electronics in Agriculture. 77(2011):118-125.

Diffuse-Reflectance Mid-Infrared Spectral Properties of Soils under Alternative Crop Rotations in a Semiarid Climate - (Peer Reviewed Journal)

Calderon, F.J., Mikha, M.M., Vigil, M.F., Nielsen, D.C., Benjamin, J.G., Reeves III, J.B. 2012. Diffuse-reflectance mid-infrared spectral properties of soils under alternative crop rotations in a semiarid climate. Communications in Soil Science and Plant Analysis. 42:17, 2143-2159.

Irrigation Capacity Impact on limited irrigation management and cropping systems - (Proceedings)

Schneekloth, J., Nielsen, D.C. 2011. Irrigation Capacity Impact on limited irrigation management and cropping systems. Proceedings of the 23rd Annual Central Plains irrigation Conference, Burlington, CO. Pages 2-10.

Evaluating decision rules for dryland rotation crop selection - (Peer Reviewed Journal)

Nielsen, D.C., Vigil, M.F., Benjamin, J.G. 2011. Evaluating decision rules for dryland rotation crop selection. Field Crops Research. 120:254-261.

Adapting CROPGRO for Simulating Spring Canola Growth with Both RZWQM2 and DSSAT 4.0 - (Peer Reviewed Journal)

Saseendran, S.A., Nielsen, D.C., Ma, L., Ahuja, L.R. 2010. Adapting CROPGRO for Simulating Spring Canola Growth with Both RZWQM2 and DSSAT 4.0. Agronomy Journal 102:1606-1621. Doi:10.2134/agronj2010.0277.

Simulating Alternative Dryland Rotational Cropping Systems in the Central Great Plains with RZWQM2 - (Peer Reviewed Journal)

Saseendran, S.A., D.C. Nielsen, Liwang Ma, L.R. Ahuja, M.F. Vigil, 2010. Simulating Alternative Dryland Rotational Cropping Systems in the Central Great Plains with RZWQM2. Agronomy Journal. 102:1521-1534. doi:10.2134/agronj2010.0141.

Critical Precipitation Period for Dryland Maize Production - (Peer Reviewed Journal)

Nielsen, D.C., Halvorson, A.D., Vigil, M.F. 2010. Critical Precipitation Period for Dryland Maize Production. Field Crops Research 118:259-263. doi:10.1016/j.fcr.2010.06.004

Cropping Intensity Impacts on Soil Aggregation and Carbon Sequestration in the Central Great Plains - (Peer Reviewed Journal)

Mikha, M.M., Benjamin, J.G., Vigil, M.F., Nielsen, D.C. 2010. Cropping Intensity Impacts on Soil Aggregation and Carbon Sequestration in the Central Great Plains. Soil Science Society of America Journal. 74(5):1712-1719. doi:10.2136/sssaj2009.0335.

Critical Precipitation Period for Dryland Corn Production - (Abstract Only)

Nielsen, D.C., A.D. Halvorson, M.F. Vigil. 2010. Critical Precipitation Period for Dryland Corn Production. Agronomy Abstracts. Presented at the 2010 (ASA-CSSA-SSSA) meetings. Oct. 31 thru Nov. 3, 2010. Long Beach, CA.

Rainfall probability and EONR for dryland corn in Colorado - (Abstract Only)

Vigil, M.F., Poss, D.J., Nielsen, D.C., Benjamin, J.G. 2010. Rainfall probability and EONR for dryland corn in Colorado. [Agronomy Abstract]Presented at the annual ASA/CSSA/SSSA meetings. Oct. 31 thru Nov. 5, 2010. Long Beach, CA.

Fallow Effects on Soil - (Book / Chapter)

Nielsen, D.C., Calderon, F.J. 2011. Fallow Effects on Soil. p. 287-300 In J.L. Hatfield and T.J. Sauer (ed) Soil Management:building a stable base for agriculture. ASA and SSSA, Madison, WI.

Crop Management Effects on Crop Residue Production and Changes in Soil Organic Carbon in the Central Great Plains - (Peer Reviewed Journal)

Benjamin, J.G., Halvorson, A.D., Nielsen, D.C., Mikha, M.M. 2010. Crop Management Effects on Crop Residue Production and Changes in Soil Organic Carbon in the Central Great Plains. Agronomy Journal. 102:990-997.

Precipitation Storage Efficiency During Fallow in Wheat-Fallow Systems - (Peer Reviewed Journal)

Nielsen, D.C., Vigil, M.F. 2010. Precipitation Storage Efficiency During Fallow in Wheat-Fallow Systems. Agronomy Journal. v.102(2)537-543.

Water Conservation for Agriculture - (Book / Chapter)

Unger, P.W., Kirkham, M.B., Nielsen, D.C. 2010. Water Conservation for Agriculture. In: Zobeck, T.M., Schillinger, W.F., editors. Soil and Water Conservation Advances in the United States. Special Publication 60. Madison, WI:Soil Science Society of America, Inc. p. 1-45.

Crop Management Strategies for Low Water Availability - (Abstract Only)

Lyon, D.J., Nielsen, D.C., Schlegel, A.J. 2009. Crop Management Strategies for Low Water Availability. Agronomy Abstracts. Presented at the ASA/CSSA/SSSA annual meeting. Nov. 1-5, 2009. Pittsburg, PA.

RZWQM2 Simulations of Alternative Cropping Systems With and Without Summer Crops in the Central Great Plains - (Abstract Only)

Anapalli, S.S., Nielsen, D.C., Ma, L., Ahuja, L.R. 2009. RZWQM2 Simulations of Alternative Cropping Systems With and Without Summer Crops in the Central Great Plains. Agronomy Abstracts. Presented at the ASA/CSSA/SSSA annual meeting. Nov. 1-5, 2009. Pittsburg, PA.

Use of a Cropping System Model for Soil-Specific Optimization of Limited Water - (Proceedings)

Ahuja, L.R., Anapalli, S.S., Ma, L., Nielsen, D.C., Trout, T.J., Andales, A.A., Hansen, N.C. 2009. Use of a Cropping System Model for Soil-Specific Optimization of Limited Water. International Conference on Precision Agriculture Abstracts & Proceedings.

Alternative Dryland Cropping Systems to Wheat Fallow - (Abstract Only)

Vigil, M.F., Nielsen, D.C., Benjamin, J.G., Calderon, F.J., Mikha, M.M. 2009. Alternative Dryland Cropping Systems to Wheat Fallow. Agronomy Abstracts. Presented at the ASA-CSSA-SSSA Annual meeting. Nov. 1-5, 2009. Pittsburg, PA.

Modeling Responses of Dryland Spring Triticale, Proso Millet and Foxtail Millet to Initial Soil Water in the High Plains - (Peer Reviewed Journal)

Anapalli, S.S., Nielsen, D.C., Lyon, D.J., Ma, L., Felter, D.G., Baltensperger, D.D., Hoogenboom, G., Ahuja, L.R. 2009. Modeling Responses of Dryland Spring Triticale, Proso Millet and Foxtail Millet to Initial Soil Water in the High Plains. Field Crops Research 113:48-63.

Sunflower Production in Skip Row Configurations for the Semi-Arid Central Plains - (Proceedings)

Calderon, F.J., Schneekloth, J., Nielsen, D.C., Vigil, M.F. 2009. Sunflower Production in Skip Row Configurations for the Semi-Arid Central Plains. Meeting Proceedings. Presented at the National Sunflower Association Research Forum. Jan. 12-15, 2009. Fargo, ND. Pages 1-4.

Tillage and Water Deficit Stress Effects on Corn (Zea mays, L.) Root Distribution - (Abstract Only)

Benjamin, J.G., Nielsen, D.C. 2009. Tillage and Water Deficit Stress Effects on Corn (Zea mays, L.) Root Distribution. Agronomy Abstracts. Presented at the ASA-CSSA-SSSA annual meetings. Nov. 1-5, 2009. Pittsburg, PA.

Precipitation Storage Efficiency During Fallow in Wheat-Fallow Systems - (Abstract Only)

Nielsen, D.C., Vigil, M.F., Benjamin, J.G. 2009. Precipitation Storage Efficiency During Fallow in Wheat-Fallow Systems. Agronomy Abstracts. Presented at the ASA-CSSA-SSSA annual meetings. Nov. 1-5, 2009. Pittsburg, PA.

Evaluating the Crop Water Stress Index and its Correlation with Latent Heat and CO2 Fluxes Over Winter Wheat and Maize in the North China Plain - (Peer Reviewed Journal)

Li, L., Nielsen, D.C., Yu, Q., Ma, L., Ahuja, L.R. 2008. Evaluating the Crop Water Stress Index and its Correlation with Latent Heat and CO2 Fluxes Over Winter Wheat and Maize in the North China Plain. Agricultural Water Management. 97:1146-1155. doi:10.1016/j.agwat.2008.09.015.

The Variable Response of Dryland Corn Yield to Soil Water Content - (Peer Reviewed Journal)

Nielsen, D.C., Vigil, M.F., Benjamin, J.G. 2008. The Variable Response of Dryland Corn Yield to Soil Water Content. Agricultural Water Management 96:330-336.

Economic Optimum N Rates for Fertilizing Winter Wheat and Corn - (Abstract Only)

Vigil, M.F., Nielsen, D.C., Poss, D.J. 2008. Economic Optimum N Rates for Fertilizing Winter Wheat and Corn. Agronomy Abstract. Presented at the International American Society of Agronomy meetings, Crop Science Society of America and Soil Science Society of America (ASA/CSSA/SSSA) annual meetings. Oct. 5-9, 2008. Houston, TX.

Producing and Marketing Proso Millet in the Great Plains - (Experiment Station)

Lyon, D.J., Burgener, P.A., Deboer, K., Harveson, R.M., Hein, G.L., Hergert, G.W., Krall, J.M., Nielsen, D.C., Vigil, M.F. 2008. Producing and Marketing Proso Millet in the Great Plains. University of Nebraska Extension Circular #EC137. Lincoln, NE.

Proso Millet Yield and Residue Mass Following Direct Harvest with a Stripper-header - (Abstract Only)

Nielsen, D.C., Henry, W.B., Vigil, M.F., Calderon, F.J., West, M.S. 2008. Proso Millet Yield and Residue Mass Following Direct Harvest with a Stripper-header. Agronomy Abstract. Presented at the International American Society of Agronomy meetings, Crop Science Society of America and Soil Science Society of America (ASA/CSSA/SSSA) annual meetings. Oct. 5-9, 2008. Houston, TX.

Modeling Crop Responses to Initial Soil Water in the High Plains - (Abstract Only)

Saseendran, S.A., Nielsen, D.C., Lyon, D.J., Ma, L., Ahuja, L.R. 2008. Modeling Crop Responses to Initial Soil Water in the High Plains. Agronomy Abstract. Presented at the International American Society of Agronomy meetings, Crop Science Society of America and Soil Science Society of America (ASA/CSSA/SSSA) annual meetings. oct. 5-9, 2008. Houston, TX.

Alternative Crop Rotations in the Semi-arid Central Great Plains Region: How Much Fallow? Evaluating the Economics - (Proceedings)

Vigil, M.F., Mikha, M.M., Nielsen, D.C., Benjamin, J.G., Calderon, F.J. 2008. Alternative Crop Rotations in the Semi-arid Central Great Plains Region: How Much Fallow? Evaluating the Economics. Meeting Proceedings. Presented at the XXI Congreso Argentino de la Ciencia Del Suelo. 13 al 16 de Mayo de 2008. Potrero de los Funes (San Luis) Argentina. Page 524.

Use of Crop Simulation Models to Evaluate Limited Irrigation Management Options for Corn in Semi-Arid Environment - (Peer Reviewed Journal)

Anapalli, S.S., Ahuja, L.R., Nielsen, D.C., Trout, T.J., Ma, L. 2008. Use of Crop Simulation Models to Evaluate Limited Irrigation Management Options for Corn in Semi-Arid Environment. Water Resources Research. Water Resources Research, 44,W00E02, doi10.1029/2007WR006181.

A Use of Skip-Row Planting as a Strategy for Drought Mitigation in the West Central Great Plains - (Proceedings)

Vigil, M.F., Henry, W.B., Calderon, F.J., Poss, D.J., Nielsen, D.C., Benjamin, J.G., Klein, R. 2008. A use of Skip-row Planting as a Strategy for Drought Mitigation in the West Central Great Plains. Meeting Proceedings. Presented at the 2008 Great Plains Soil Fertility Conference. Denver, Colo. March 5, 2008. Vol. 12:101-106.

Crop Residue and Soil Water - (Proceedings)

Nielsen, D.C. 2008. Crop Residues and Soil Water. Presented at the Proceedings 20th Annual Central Plains Irrigation Conference and Exposition. Feb. 19-20, 2008. Greeley, Colo. Pages 80-83.

Oilseed Productivity Under Varying Water Availability - (Proceedings)

Nielsen, D.C. 2008. Oilseed Productivity Under Varying Water Availability. Presented at the Proc. 20th Annual Central Plains Irrigation Conference and Exposition. Feb. 19-20, 2008. Greeley, Colo. Pages 30-33.

Proso millet yield and residue mass following direct harvest with a stripper-header - (Peer Reviewed Journal)

Henry, W.B., Nielsen, D.C., Vigil, M.F., Calderon, F.J., West, M.S. 2008. Proso millet yield and residue mass following direct harvest with a stripper-header. Agronomy Journal. 100:580-584.

Proso Millet Yield and Residue Mass Following Direct Harvest with a Stripper-header - (Peer Reviewed Journal)

Henry, W.B., Nielsen, D.C., Vigil, M.F., Calderon, F.J., West, M.S. 2008. Proso Millet Yield and Residue Mass following Direct Harvest with a Stripper-Header. Agronomy Journal 100:580-584.

A Comparison of Dryland Grasspea (Lathyrus sativus L.) and Admiral Pea (Pisum sativum L.) Grown Under Different Row Spacings - (Proceedings)

Calderon, F.J., Vigil, M.F., Nielsen, D.C., Benjamin, J.G., Mikha, M.M. 2008. A comparison of Dryland Grasspea (lathyrus sativus l.) and Admiral Pea (pisum sativum l.) Grown Under Different Row Spacings. Meeting Proceedings. Presented at the 2008 Great Plains Soil Fertility Conference. Denver, Colo. March 5, 2008. Vol. 12:107-111.

Simulated Corn Yield Responses to Limited-Water Irrigation Under Varying Soil and Climate Conditions - (Abstract Only)

Anapalli, S.S., Ahuja, L.R., Ma, L., Nielsen, D.C., Trout, T.J., Hansen, N., Andales, A.A. 2007. Simulated Corn Yield Responses to Limited-Water Irrigation Under Varying Soil and Climate Conditions. ASA-CSSA-SSSA Annual Meeting Abstracts, New Orleans, LA. November 5,2007, 33-2.

Skip-row Corn and Sorghum in the West Central Great Plains - (Abstract Only)

Vigil, M.F., Nielsen, D.C., Poss, D.J., Henry, W.B. 2007. Skip-row Corn and Sorghum in the West Central Great Plains. Agronomy Abstracts. Presented at the International American Society of Agronomy meetings, Crop Science Society of America and Soil Science Society of america (ASA/CSSA/SSSA) annual meetings. Nov. 5-9, 2007. New Orleans, LA.

Soil Water Extraction Patterns in Skip Row Corn, Sorghum, and Sunflower - (Abstract Only)

Nielsen, D.C., Vigil, M.F., Calderon, F.J., Schneekloth, J., Poss, D.J., Henry, W.B., Benjamin, J.G. 2007. Soil Water Extraction Patterns in Skip Row Corn, Sorghum, and Sunflower. Meeting Abstract. Presented at the National American Society of Agronomy Annual Meeting. Nov. 5-8, 2007. New Orleans, LA.

History of the Central Great Plains Research Station - (Other)

Nielsen, D.C., Greb, B.W., Vigil, M.F., Mickelsen, R.H. 2007. History of the Central Great Plains Research Station. Agricultural Research Service Publication. Pgs. 1-55.

Estimated Yield of Some Alternative Crops Under Varying Irrigation in Northeast Colorado - (Research Notes)

Nielsen, D.C. 2007. Estimated Yield of Some Alternative Crops Under Varying Irrigation in Northeast Colorado. Colorado State University Newsletter. Vol. 26:Issue I. Pgs.8-9.

Cropping Intensity Effects on Physical Properties of a No-till Silt Loam Soil - (Peer Reviewed Journal)

Benjamin, J.G., Mikha, M.M., Nielsen, D.C., Vigil, M.F., Calderon, F.J., Henry, W.B. 2007. Cropping Intensity Effects on Physical Properties of a No-till Silt Loam Soil. Soil Science Society of America Journal 71:1160-1165.

Weed control possibilities and harvest strategies for the Omega-3 fatty acid producing crop common purslane (Portulacca oleracea var. sativa) - (Abstract Only)

Henry, W.B., Nielsen, D.C., Foster, J.G., Calderon, F.J., Vigil, M.F. 2007. Weed control possibilities and harvest strategies for the Omega-3 fatty acid producing crop common purslane (Portulacca oleracea var. sativa) [abstract]. Proceedings 2007 Weed Science Society of America Annual Meeting. p. 56.

Crop Residue and Soil Water - (Proceedings)

Nielsen, D.C. 2007. Crop Residue and Soil Water. Meeting Proceedings. Presented at the 19th Annual Central Plains Irrigation Conference and Exposition. Feb. 27-28, 2007. Colby, KS. Pgs. 28-31.

Choice of Summer Fallow Replacement Crops Impacts Subsequent Winter Wheat - (Peer Reviewed Journal)

Lyon, D.J., Nielsen, D.C., Felter, D.G., Burgener, P.A. 2007. Choice of Summer Fallow Replacement Crops Impacts Subsequent Winter Wheat. Agronomy Journal 99:578-584.

Comparision of modeling approaches to quantify residue architecture effects on soil temperature and water - (Peer Reviewed Journal)

Kozak, J.A., Aiken, R.M., Flerchinger, G.N., Nielsen, D.C., Ma, L., and Ahuja, L.R. 2007, Comparison of modeling approaches to quantify residue architecture effects on soil temperature and water. International Journal of Soil and Tillage Research.95:84-96.

Skip-Row Planting as a Drought Avoidance Strategy in the West Central Great Plains - (Abstract Only)

Vigil, M.F., Henry, W.B., Nielsen, D.C., Calderon, F.J., Benjamin, J.G., Klien, R. 2006. Skip-Row Planting as a Drought Avoidance Strategy in the West Central Great Plains. Agronomy Abstracts. Presented at the National American Society of Agronomy Meetings/Soil Science Society of America (ASA/SSSA)Annual Meetings. November 13-16, 2006. Indianapolis, IN.

Simulations of Limited-Water Irrigation Management Options for Corn in Dryland Agriculture - (Abstract Only)

Saseendran, A., Ahuja, L.R., Ma, L., Nielsen, D.C., Dunn, G.H. 2006. Simulations of Limited-Water Irrigation Management Options for Corn in Dryland Agriculture. ASA-CSSA-SSSA Annual Meeting Abstracts. Indianapolis, IN. November 13, 2006.

Skip-row Planting in the CGPR as a Drought Mitigation Strategy - (Abstract Only)

Vigil, M.F., Henry, W.B., Poss, D.J., Nielsen, D.C., Calderon, F.J., Benjamin, J.G., Klein, R. 2006. Skip-row Planting in the CGPR as a Drought Mitigation Strategy. Meeting Abstract. Presented at the 18th World Congress of Soil Science in Phildelphia, PA July 9-13, 2006.

EVALUATING CROPS FOR A FLEXIBLE SUMMER FALLOW CROPPING SYSTEM - (Peer Reviewed Journal)

Felter, D.G., Lyon, D.J., Nielsen, D.C., Baltensperger, D.D., Arkebauer, T.J. 2006. Evaluating crops for a flexible summer fallow cropping system. Agronomy Journal 98:1510-1517.

Evaluating Various Water Stress Calculations in RZWQM and RZ-SHAW for Corn and Soybean Production - (Peer Reviewed Journal)

Kozak, J.A., Ma, L., Ahuja, L.R., Flerchinger, G.N., Nielsen, D.C. 2006. Evaluating Various Water Stress Calculations in RZWQM and RZ-SHAW for Corn and Soybean Production. Agronomy Journal 98:1146-1155.

Evaluating Decision Rules for Dryland Crop Selection - (Abstract Only)

Nielsen, D.C., Vigil, M.F., Benjamin, J.G. 2006. Evaluating Decision Rules for Dryland Crop Selection. Agronomy Abstracts. Presented at the International American Society of Agronomy Meetings/Soil Science Society of America (ASA/CSSA/SSSA) Annual Meetings. November 12-16, 2006. Indianapolis, IN.

FORAGE YIELD RESPONSE TO WATER USE FOR DRYLAND CORN, MILLET, AND TRITICALE IN THE CENTRAL GREAT PLAINS - (Peer Reviewed Journal)

Nielsen, D.C., Vigil, M.F., Benjamin, J.G. 2006. Forage yield response to water use for dryland corn, millet, and triticale in the Central Great Plains. Agronomy Journal. 98:992-998.

FLEXIBLE SUMMER FALLOW IN THE CENTRAL GREAT PLAINS - (Proceedings)

Lyon, D.J., Baltensperger, D.D., Burgener, P.A., Nielsen, D.C. 2006. Flexible summer fallow in the central Great Plains. Proceedings of the Great Plains Soil Fertility Conference. March 7-8,2006. Denver, Colo. No Page Numbers

CROP RESIDUE AND SOIL WATER - (Proceedings)

Nielsen, D.C. 2006. Crop residue and soil water. Proceedings of the 18th Annual Central Plains Irrigation Conference and Exposition. Feb. 21-22, 2006. Colby, KS. Pages 136-139.

CROP RESIDUE AND SOIL WATER - (Proceedings)

Nielsen, D.C. 2006. Crop residue and soil water. Proceedings of the Third Annual Cover Your Acres Winter Conference. Feb. 2, 2006. Oberlin, KS. Pages 22-25.

Proso Millet Harvest: A Comparison of Conventional Harvest and Direct Harvest with a Stripper Header - (Popular Publication)

Henry, W.B., Vigil, M.F., Nielsen, D.C. 2006. Proso Millet Harvest: A Comparison of Conventional Harvest and Direct Harvest with a Stripper Header. Conservation Tillage Fact Sheet.

CENTRAL GREAT PLAINS YIELD CALCULATOR, CD VERSION 2.2 - (Other)

Nielsen, D.C. 2006. Central Great Plains Yield Calculator, CD version 2.2. CD ROM.

CROP RESIDUE AND SOIL WATER - (Proceedings)

Nielsen, D.C. 2006. Crop residue and soil water. Proceedings of the Wheat-based cropping systems workshop, Colorado State University Cooperative Extension. Sterling, Colo. Dec. 14, 2005. No Page Numbers

CROP WATER USE AND YIELD - (Proceedings)

Nielsen, D.C. 2005. Crop water use and yield. Proceedings of the Wheat-based cropping systems workshop, Colorado State University Cooperative Extension. December 14, 2005. Sterling, Colo. No Page Numbers

WATER DEFICIT EFFECTS ON ROOT DISTRIBUTION OF SOYBEAN, FIELD PEA AND CHICKPEA - (Peer Reviewed Journal)

Benjamin, J.G., Nielsen, D.C. 2006. Water deficit effects on root distribution of soybean, field pea and chickpea. Field Crops Research. 97:248-253.

HOW MUCH FALLOW; EVALUATING THE ECONOMICS OF ALTERNATIVE ROTATIONS AT AKRON, COLORADO - (Abstract Only)

Vigil, M.F., Nielsen, D.C., Henry, W.B., Benjamin, J.G., Mikha, M.M., Calderon, F.J. 2005. How much fallow: Evaluating the economics of alternative rotations at Akron, Colorado. Agronomy Abstract. Presented at the 2005 ASA,CSSA-SSSA International Annual Meeting. Nov. 6-10, 2005. Salt Lake City, UT

CARBON SEQUESTRATION AND AGGREGATE SIZE DISTRIBUTION AS AFFECTED BY CROPPING INTENSITY - (Abstract Only)

Mikha, M.M., Vigil, M.F., Benjamin, J.G., Nielsen, D.C., Henry, W.B., Calderon, F.J. 2005. Carbon sequestration and aggregate size distribution as affected by cropping intensity. Agronomy Abstract. Presented at the 2005 ASA, CSSA-SSSA International Annual Meeting. Nov. 6-10, 2005. Salt Lake City, UT.

THE VARIABLE RESPONSE OF DRYLAND CORN YIELD TO SOIL WATER AT PLANTING - (Abstract Only)

Nielsen, D.C., Vigil, M.F., Benjamin, J.G. 2005. The variable response of dryland corn yield to soil water at planting. Agronomy Abstracts. Presented at the 2005 ASA, CSSA-SSSA International Annual Meeting. Nov. 6-10, 2005. Salt Lake City, UT.

ENHANCING SUSTAINABILITY BY ADDING A DYNAMIC COMPONENT TO THE CROPPING SYSTEMS OF THE SEMIARID CENTRAL GREAT PLAINS - (Abstract Only)

Felter, D.G., Lyon, D.J., Nielsen, D.C., Baltensperger, D.D., Arkebauer, T.J. 2005. Enhancing sustainability by adding a dynamic component to the cropping systems of the semiarid central great plains. Agronomy Abstract. Presented at the 2005 ASA, CSSA-SSSA International Annual Meeting. Nov. 6-10, 2005. Salt Lake City, UT

DEVELOPMENT AND EVALUATION OF THE RZWQM-CROPGRO HYBRID MODEL FOR SOYBEAN PRODUCTION - (Peer Reviewed Journal)

Ma, L., Hoogenboom, G., Ahuja, L.R., Nielsen, D.C., Ascough II, J.C. 2005.Development and evaluation of the RZWQM-CROPGRO hybrid model for soybean production. Agronomy Journal. 97:1172-1182.

EFFECTIVENESS OF RZWQM FOR SIMULATING ALTERNATIVE GREAT PLAINS CROPPING SYSTEMS - (Peer Reviewed Journal)

Saseendran, S.A., Nielsen, D.C., Ma, L., Ahuja, L.R., Vigil, M.F., Benjamin, J.G., Halvorson, A.D. 2005. Effectiveness of RZWQM for simulating alternative Great Plains cropping systems. Agronomy Journal 97:1183-1193.

EFFECTIVENESS OF RZWQM FOR SIMULATING ALTERNATIVE GREAT PLAINS CROPPING SYSTEMS - (Proceedings)

Anapalli, S.A., Nielsen, D.C., Ma, L., Ahuja, L.R., Vigil, M.F., Benjamin, J.G., Halvorson, A.D. 2005. Effectiveness of RZWQM for simulating alternative great plains cropping systems. Proceedings from the 35th Biological Systems Simulation Conference. April 19-21, 2005. Phoenix, AZ. P. 37-38.

CROP ROTATIONS AND RESIDUE MANAGEMENT - (Popular Publication)

Lyon, D., Vigil, M.F., Nielsen, D.C. 2005. Crop rotations and residue management. High Plains Sunflower Production Handbook. P. 35-37.

HOW WHEAT RESPONDS TO WATER - (Proceedings)

Nielsen, D.C. 2005. How wheat responds to water. Proceedings of the Wheat Technology Conference; Water and Winter Wheat. Feb. 28 thru March 3, 2005. Sidney, Alliance and Grant, NE. p. 3-4.

CROP RESIDUE AND SOIL WATER - (Proceedings)

Nielsen, D.C., 2005. Crop residue and soil water. Proceedings of the 17th Annual Central Plains Irrigation Conference and Exposition, 16-17 Feb. Sterling, CO. p. 29-32.

LEGUME GREEN FALLOW EFFECT ON SOIL WATER CONTENT AT WHEAT PLANTING AND WHEAT YIELD - (Peer Reviewed Journal)

Nielsen, D.C., Vigil, M.F. 2005. Legume green fallow effect on soil water content at wheat planting and wheat yield. Agronomy Journal. 97:684-689.

CHANGES IN SOIL AFTER 14 YEARS OF NO-TILL ALTERNATIVE CROP ROTATION RESEARCH - (Proceedings)

Vigil, M.F., Nielsen, D.C., Benjamin, J.G., Henry, W.B., Mikha, M.M., Calderon, F.J., Anderson, R.L., Bowman, R.A. 2005. Changes in soil after 14 years of no-till alternative crop rotation research. Proceedings of the 17th Annual Winter Conference, Colorado Conservation Tillage Association in cooperation with National Sunflower Association presents The High Plains No-Till Conference. Feb. 1-2. 2005. Island Grove Park, Greeley, CO. P. L1-L6.

SIMULATING PLANTING DATE EFFECTS ON CORN PRODUCTION USING RZWQM AND CERES-MAIZE - (Peer Reviewed Journal)

Saseendran, S.A., Ma, L., Nielsen, D.C., Vigil, M.F., Ahuja, L.R. 2005. Simulating planting date effects on corn production using RZWQM and CERES-Maize Models. Agronomy Journal. 97:58-71 (2005).

EVALUATING THE ROTATION EFFECT IN ALTERNATIVE ROTATIONS AT AKRON, COLORADO - (Abstract Only)

Vigil, M.F., Nielsen, D.C., Henry, W.B., Benjamin, J.G., Mikha, M.M., Anderson, R.L. 2004. Evaluating the rotation effect in alternative rotations at Akron, Colorado. Agronomy Abstracts. Presented at the ASA-CSSA-SSSA 2004 Annual Meetings. Oct. 31-Nov. 4, 2004. Seattle, WA.

CROP ROTATION AND TILLAGE EFFECTS ON SOIL HYDRAULIC PROPERTIES - (Abstract Only)

Benjamin, J.G., Nielsen, D.C., Vigil, M.F., Mikha, M.M., Henry, W.B. 2004. Crop rotation and tillage effects on soil hydraulic properties. Agronomy Abstracts. Presented at the International ASA-CSSA-SSSA Annual Meeting. Oct. 31-Nov. 4, 2004. Seattle, WA.

THE EFFECT OF ALTERNATIVE HARVEST STRATEGIES ON RESIDUE IN THE CENTRAL GREAT PLAINS - (Abstract Only)

Henry, W.B., Nielsen, D.C., Vigil, M.F. 2004. The effect of alternative harvest strategies on residue in the central Great Plains. Agronomy Abstracts. Presented at the 2004 ASA-CSSA-SSSA International Annual Meeting. Oct. 31-Nov. 4, 2004. Seattle, WA

EFFICIENT WATER USE IN DRYLAND CROPPING SYSTEMS IN THE GREAT PLAINS - (Peer Reviewed Journal)

Nielsen, D.C., Unger, P.W., Miller, P.R. 2005. Efficient water use in dryland cropping systems in the Great Plains. Agronomy Journal. 97:364-372.

PREDICTING WINTER WHEAT YIELD FROM TEMPERATURE AND RAINFALL - (Abstract Only)

Nielsen, D.C., Halvorson, A.D., Vigil, M.F., Byrne, P.F. 2004. Predicting winter wheat yield from temperature and rainfall. Agronomy Abstracts. Presented at the 2004 ASA-CSSA-SSSA International Annual Meeting. Oct. 31-Nov. 4, 2004. Seattle, WA

USING RZWQM TO SIMULATE WATER, NITROGEN, AND PLANTING DATE EFFECTS ON CORN, SOYBEAN, AND WINTER WHEAT PRODUCTION IN NORTHEAST COLORADO - (Proceedings)

Nielsen, D.C., Ma, L., Anapalli, S., Ahuja, L.R. 2004. Using RZWQM to simulate water, nitrogen, and planting date effects on corn, soybean, and winter wheat production in Northeast Colorado. International Workshop on Application, Enhancements and Collaborations of ARS RZQWM Models, Fort Collins, CO, April 20-22, 2004. p. 24-25.

MODELING ALTERNATIVE CROPPING SYSTEMS FOR CENTRAL GREAT PLAINS USING RZWQM - (Proceedings)

Anapalli, S.S., Nielsen, D.C., Ma, L., Ahuja, L.R., Vigil, M.F., Benjamin, J.G. 2004. Modeling alternative cropping systems for central great plains using RZWQM. Proceedings of the International Workshop on Applications, Enhancements and Collaborations of ARS RZWQM and GPFARM Models. April 20-22, 2004. p.22-23.

A METHOD TO SEPARATE PLANT ROOTS FROM SOIL AND ANALYZE ROOT SURFACE AREA - (Peer Reviewed Journal)

Benjamin, J.G., Nielsen, D.C., 2004. A method to separate plant roots from soil and analyze root surface area. Plant and Soil Journal. 267:225-234.

NITROGEN FERTILIZATION AND ROTATION EFFECTS ON NO-TILL DRYLAND WHEAT PRODUCTION. - (Peer Reviewed Journal)

Halvorson, A.D., Nielsen, D.C., Reule, C.A. 2004. Nitrogen fertilization and rotation effects on no-till dryland wheat production. Agronomy Journal. 96:1196-1201.

CROPPING SEQUENCE IN A LONG-TERM DRYLAND ROTATION STUDY - (Abstract Only)

Henry, W.B., Vigil, M.F., Nielsen, D.C., Benjamin, J.G., Anderson, R.L., Bowman, R.A. 2004. Cropping sequence in a long-term dryland rotation study. Meeting Abstract. Presented at the WSSA 2004 Annual Meeting, February 2004. Kansas City, MO.

KENAF FORAGE YIELD AND QUALITY UNDER VARYING WATER AVAILABILITY - (Peer Reviewed Journal)

NIELSEN, D.C. KENAF FORAGE YIELD AND QUALITY UNDER VARYING WATER AVAILABILITY. 2004. AGRONOMY JOURNAL 96:204-213.

EFFICIENT WATER USE IN CONTINUOUS CROPPING SYSTEMS - (Abstract Only)

Nielsen, D.C., Mcconkey, B.G., Unger, P.W. 2003. Efficient water use in continuous cropping systems. Agronomy Abstracts. Presented at the American Society of Agronomy Annual Meeting. Nov. 2-6, 2003. Denver, Colo.

EFFECT OF WATER STRESS ON ROOTING DEPTH OF FIELD PEA, GARBANZO BEAN AND SOYBEAN IN EASTERN COLORADO - (Abstract Only)

Benjamin, J.G., Nielsen, D.C. 2003. Effect of water stress on rooting depth of field pea, garbanzo bean and soybean in eastern colorado. Agronomy Abstracts. Presented at the (ASA-CSSA-SSSA)American Society of Agronomy Meetings. Nov. 2-5, 2003. Denver, CO.

FLEXIBLE SUMMER FALLOW: A DYNAMIC CROPPING SYSTEMS CONCEPT FOR THE CENTRAL GREAT PLAINS - (Proceedings)

LYON, D.J., BALTENSPERGER, D.D., BURGENER, P.A., NIELSEN, D.C. FLEXIBLE SUMMER FALLOW: A DYNAMIC CROPPING SYSTEMS CONCEPT FOR THE CENTRAL GREAT PLAINS. In J.D. Hanson and J.M. Krupinsky (eds.), Proceedings from Dynamic Cropping Systems: Principles, Processes, and Challenges. 2003. p. 265-268. Aug. 4-7, 2003. Bismarck, N.D.

GPFARM PLANT MODEL PARAMETERS: COMPLICATIONS OF VARIETIES AND THE GENOTYPE X ENVIRONMENT INTERACTION IN WHEAT - (Peer Reviewed Journal)

MCMASTER, G.S., ASCOUGH II, J.C., SHAFFER, M.J., DEER ASCOUGH, L.A., BYRNE, P.F., NIELSEN, D.C., HALEY, S.D., ANDALES, A.A., DUNN, G.H. GPFARM PLANT MODEL PARAMETERS: COMPLICATIONS OF VARIETIES AND THE GENOTYPE X ENVIRONMENT INTERACTION IN WHEAT. TRANSACTIONS OF THE AMERICAN SOCIETY OF AGRICULTURAL ENGINEERS. 2003.

STUBBLE MANAGEMENT EFFECTS ON AVAILABLE SOIL WATER - (Research Notes)

NIELSEN, D.C. STUBBLE MANAGEMENT EFFECTS ON AVAILABLE SOIL WATER. COLORADO STATE UNIVERSITY NEWSLETTER. 2003. v. 23, Issue 2, p. 20-21.

SCALING EFFECTS OF STANDING CROP RESIDUES ON THE WIND PROFILE - (Peer Reviewed Journal)

Aiken, R.M., Nielsen, D.C., Ahuja, L.R. 2003. Scaling effects of standing crop residues on the wind profile. Agronomy Journal 95:1041-1046.

MODELING NITROGEN MANAGEMENT EFFECTS ON WINTER WHEAT PRODUCTION USING RZWQM AND CERES-WHEAT - (Peer Reviewed Journal)

Saseendran, S.A., Nielsen, D.C., Ma, L., Ahuja, L.R., Halvorson, A.D. 2003. Modeling nitrogen management effects on winter wheat production using RZWQM and CERES-Wheat. Agronomy Journal 96:615-630.

WATER IN DRYLAND CROPPING SYSTEMS - (Proceedings)

Nielsen, D.C. 2004. Water in dryland cropping systems. Proceedings of the 15th Annual Winter Conference of the Colorado Conservation Tillage Association (The High Plains No-Till Conference)Feb. 4-5, Greeley, Colorado. p. A2-A6.

EVALUATION OF RZWQM UNDER VARYING IRRIGATION LEVELS IN EASTERN COLORADO - (Peer Reviewed Journal)

MA, L., NIELSEN, D.C., AHUJA, L.R., MALONE, R.W., ANAPALLI, S.S., ROJAS, K.W., HANSON, J.D., BENJAMIN, J.G. EVALUATION OF RZWQM UNDER VARYING IRRIGATION LEVELS IN EASTERN COLORADO. TRANSACTIONS OF THE AMERICAN SOCIETY OF AGRICULTURAL ENGINEERS. 2002. v. 46. p. 39-49.

LEGUME GREEN FALLOW EFFECT ON SOIL WATER AT WHEAT PLANTING AND WHEAT YIELD - (Abstract Only)

NIELSEN, D.C., VIGIL, M.F. LEGUME GREEN FALLOW EFFECT ON SOIL WATER AT WHEAT PLANTING AND WHEAT YIELD. AGRONOMY ABSTRACTS. 2002.

A METHOD TO SEPARATE PLANT ROOTS FROM SOIL AND ANALYZE ROOT SURFACE AREA - (Abstract Only) - (21-Nov-02)

CROP ROTATION, SOIL WATER CONTENT AND WHEAT YIELDS - (Other)

NIELSEN, D.C. CROP ROTATION, SOIL WATER CONTENT AND WHEAT YIELDS. CONSERVATION TILLAGE FACT SHEET. 2002. Fact Sheet #1-02, p. 1-2.

CORN WATER USE AND YIELD UNDER DRYLAND ROTATIONS AND LIMITED IRRIGATION - (Popular Publication)

NIELSEN, D.C., BENJAMIN, J.G., SCHNEEKLOTH, J.P. CORN WATER USE AND YIELD UNDER DRYLAND ROTATIONS AND LIMITED IRRIGATION. COLORADO STATE UNIVERSITY NEWSLETTER. 2002. V. 22, ISSUE 3, p.3-4.

SIMULATING SOYBEAN WATER STRESS EFFECTS WITH RZWQM AND CROPGRO MODELS - (Peer Reviewed Journal)

NIELSEN, D.C., MA, L., AHUJA, L.R., HOOGENBOOM, G. SIMULATING SOYBEAN WATER STRESS EFFECTS WITH RZWQM AND CROPGRO MODELS. AGRONOMY JOURNAL. 2002. v. 94. p. 1234-1243.

QUANTIFYING EFFECTS OF SOIL CONDITIONS ON PLANT GROWTH AND CROP PRODUCTION - (Peer Reviewed Journal)

BENJAMIN, J.G., NIELSEN, D.C., VIGIL, M.F., BOWMAN, R.A. QUANTIFYING EFFECTS OF SOIL CONDITIONS ON PLANT GROWTH AND CROP PRODUCTION. GEODERMA. 2003. v. 116 p. 137-148.

INFLUENCE OF ROTATION ON PLANTING SOIL WATER CONTENT AND YIELD OF WINTER WHEAT - (Peer Reviewed Journal)

NIELSEN, D.C., VIGIL, M.F., ANDERSON, R.L., BOWMAN, R.A., BENJAMIN, J.G., HALVORSON, A.D. INFLUENCE OF ROTATION ON PLANTING SOIL WATER CONTENT AND YIELD OF WINTER WHEAT. AGRONOMY JOURNAL. 2002. v. 94 p. 962-967.

AN EVALUATION OF RZWQM, CROPGRO, AND CERES-MAIZE FOR RESPONSE TO WATER STRESS IN THE CENTRAL GREAT PLAINS - (Book / Chapter) - (03-Oct-01)

OILSEED OF CROPS FOR SEMIARID ROTATIONS IN THE NORTHERN GREAT PLAINS - (Peer Reviewed Journal)

Johnston, A.M., Tanaka, D.L., Brandt, S.A., Nielsen, D.C., Lafond, G.P., Miller, P.R., Riveland, N. 2002. Oilseed of crops for semiarid rotations in the northern great plains. Agronomy Journal.

WINTER WHEAT VARIETIES DIFFER IN PHENOLOGICAL AND CANOPY DEVELOPMENT RESPONSES TO WATER STRESS - (Abstract Only)

MCMASTER, G.S., BYRNE, P., HALEY, S., NIELSON, D., STUSHNOFF, C., DOESKEN, N. WINTER WHEAT VARIETIES DIFFER IN PHENOLOGICAL AND CANOPY DEVELOPMENT RESPONSES TO WATER STRESS. 2001 Annual Meeting Abstracts (ASSA/CSSA/SSSA), Oct. 21-25, 2001. Charlotte, NC on CD.

CROP ROTATION EFFECT ON WATER CONTENT AT WHEAT PLANTING AND WHEAT YIELD - (Abstract Only) - (28-Aug-01)

QUANTIFYING EFFECTS OF SOIL PHYSICAL CONDITION ON PLANT GROWTH AND CROP PRODUCTION - (Abstract Only) - (28-Aug-01)

USE OF CROP WATER STRESS INDEX FOR MONITORING WATER STATUS AND SCHEDULING IRRIGATION IN WHEAT - (Peer Reviewed Journal) - (01-May-01)

PRODUCTION FUNCTIONS FOR CHICKPEA, FIELD PEA, AND LENTIL - (Peer Reviewed Journal) - (04-Aug-00)

WATER USE/YIELD RELATIONSHIPS FOR CHICKPEA, FIELD PEA, AND LENTIL - (Abstract Only) - (03-Aug-00)

LEGUMES IN WINTER WHEAT ROTATIONS - (Popular Publication) - (08-Oct-99)

WINTER WHEAT AND PROSO MILLET YIELD REDUCTION DUE TO SUNFLOWER IN ROTATION - (Abstract Only) - (27-Aug-99)

NITROGEN DYNAMICS IN WINTER WHEAT-LEGUME GREEN FALLOW - (Abstract Only) - (29-Jun-99)

SUNFLOWER WATER USE IN THE CENTRAL GREAT PLAINS - (Popular Publication) - (30-Apr-99)

OPTIMAL WHEAT (TRITICUM CRESTIVUM L.) CUTTING HEIGHT FOR GRAIN HARVEST AND CONSERVING SOIL AND WATER - (Abstract Only) - (15-Apr-96)

INSTRUMENTED MEASURE AND SIMULATED SOLUTIONS FOR THE SOIL ENERGY BALANCE UNDER RESIDUES - (Abstract Only) - (03-May-93)