Projects

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

REGIONAL BIOMASS FEEDSTOCK PARTNERSHIP-BIOMASS RESIDUE REMOVAL Reimbursable (R)   Accession Number: 422454

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)

Long-term tillage impacts on soil aggregation and carbon dynamics under wheat-fallow in the central Great Plains - (Peer Reviewed Journal)

Mikha, M.M., Vigil, M.F., Benjamin, J.G. 2013. Long-term tillage impacts on soil aggregation and carbon dynamics under wheat-fallow in the central Great Plains. Soil Science Society of America Journal. 77:594-605.

Effect of Soil Attributes on Root Growth and Distribution in Some Common Crops: A Synthesis Of Knowledge and Future Needs - (Book / Chapter) - (29-Nov-12)

Impacts of soil organic carbon on soil physical behavior - (Book / Chapter)

Blanco-Canqui, H., Benjamin, J.G. 2012. Impacts of soil organic carbon on soil physical behavior. 2012. Advances in Agricultural Systems Modeling 3. Book Chapter pgs. 11-40.

Tillage and nutrient sources impact the productivity of eroded soil - (Abstract Only) - (18-Jul-12)

Determining the least limiting water range using limited soil data - (Abstract Only) - (04-Apr-12)

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.

Management practices influence productivity of degraded or eroded soils - (Research Notes)

Mikha, M.M., Stahlman, P.W., Benjamin, J.G., Geier, P.W. 2012. Management practices influence productivity of degraded or eroded soils. Kansas Fertilizer Research Extension Reports. 1066:26-28.

Multi-Location Study of Soil Enzyme Activities as affected by Different Manure Types, Rates, and Tillage Application Practices - (Peer Reviewed Journal)

Acosta Martinez, V., Mikha, M.M., Sistani, K.R., Stahlman, F., Benjamin, J.G., Vigil, M.F., Erickson, R. 2011. Multi-location study of soil enzyme activities as affected by different manure types, rates, and tillage application practices. Agriculture. 1(1): 4-21.

Soil enzyme activities as affected by manure types, rates and tillage practices - (Abstract Only)

Acosta Martinez, V., Mikha, M.M., Sistani, K.R., Stahlman, P.W., Benjamin, J.G., Vigil, M.F., Erickson, R. 2011. Soil enzyme activities as affected by manure types, rates and tillage practices[abstract]. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America Annual Meeting. October 16-19, 2011, San Antonio, Texas.

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

Methods to evaluate soil and crop management-induced soil carbon changes - (Abstract Only) - (12-Apr-11)

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.

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.

A comparison of two models to evaluate soil compaction effects on corn root growth - (Abstract Only) - (16-Sep-10)

Management practices to improve soil quality and productivity of eroded soil - (Abstract Only) - (04-May-10)

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.

Continuous Cropping Systems Reduce Near-Surface Maximum Compaction in No-Till Soils - (Peer Reviewed Journal)

Humberto, B., Stone, L.R., Schlegel, A.J., Benjamin, J.G., Vigil, M.F., Stahlman, P.W. 2010. Continuous Cropping Systems Reduce Near-Surface Maximum Compaction in No-Till Soils. Agronomy Journal. 102:1217-1225. DOI:10.2134/agronj2010.0113.

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.

Remediation/Restoration of Degraded Soil to Improve Productivity In The Central Great Plains Region - (Proceedings)

Mikha, M.M., Stahlman, P.W., Benjamin, J.G., Vigil, M.F., Geier, P.W., Poss, D.J. 2010. Remediation/Restoration of Degraded Soil to Improve Productivity In The Central Great Plains Region. Proceedings of the Great Plains Soil Fertility Conference. Pages 229-235. March 2-3, 2010. Denver, CO.

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.

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.

Regional Study of No-Till Impacts on Near-Surface Aggregate Properties that Influence Soil Erodibility - (Peer Reviewed Journal)

Blanco-Cangui, H., Mikha, M.M., Benjamin, J.G., Stone, L.R., Schlegel, A.J., Lyon, D.J., Vigil, M.F., Stahlman, P.W. 2009. Regional Study of No-Till Impacts on Near-Surface Aggregate Properties that Influence Soil Erodibility. Soil Science Society of America Journal 73:1361-1368.

No-Till Management Effects on Soil Water and Wind Erodibility Parameters - (Research Notes)

Blanco, H., M.M. Mikha, J.G. Benjamin, L.R. Stone, A.J. Schlegel, D.J. Lyon, M.F. Vigil, and P.W. Stahlman. 2009. No-Till Management Effects on Soil Water and Wind Erodibility Parameters. 2009 Kansas Fertilizer Research Extension Report. Pages 100-105.

Management Practices to Improve Productivity of Degraded/Eroded Soils - (Research Notes)

Mikha, M.M., Stahlman, P.W., Benjamin, J.G., Geier, P.W. 2009. Management Practices to Improve Productivity of Degraded/Eroded Soils. 2009 Kansas Fertilizer Research Extension Report. Pages 115-117.

Predicting Winter Wheat Yield Loss from Soil Compaction in the Central Great Plains of the United States - (Book / Chapter)

Benjamin, J.G., Mikha, M.M. 2010. Predicting Winter Wheat Yield Loss from Soil Compaction in the Central Great Plains of the United States. Book Chapter:Land Degradation and Desertification: Assessment, Mitigation and Remediation 49:649-656. Doi: 10.1007/978-90-481-8657-0.

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.

Restoration of Degraded/Eroded Soil under Different Management Practices in the Central Great Plains - (Abstract Only)

Mikha, M.M., Benjamin, J.G., Stahlman, P.W., Vigil, M.F. 2009. Restoration of Degraded/Eroded Soil under Different Management Practices in the Central Great Plains. 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.

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.

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.

Organic Carbon Effects on Soil Physical and Hydraulic Properties in a Semi-arid Climate - (Peer Reviewed Journal)

Benjamin, J.G., Mikha, M.M., Vigil, M.F. 2008. Organic Carbon Effects on Soil Physical and Hydraulic Properties in a Semi-arid Climate. Soil Science Society of America Journal. 72:1357-1362. doi:10.2136/sssaj2007.0389.

Long-Term Tillage Affects on Soil Aggregation and Carbon Sequestration - (Abstract Only)

Mikha, M.M., Benjamin, J.G., Vigil, M.F. 2008. Long-Term Tillage Affects on Soil Aggregation and Carbon Sequestration. Meeting Abstract. Presented at the Colorado Conservation Tillage meeting. Feb. 5-6, 2008. Greeley, Colo.

Best Management Practices for Remediation/Restoration of Degraded Soils in the Central Great Plains Region - (Proceedings)

Mikha, M.M., Vigil, M.F., Benjamin, J.G., Poss, D.J., Calderon, F.J. 2008. Best Management Practices for Remediation/Restoration of Degraded Soils in the Central Great Plains Region. Meeting Proceedings of the 18th High Altitude Revegetation Workshop #18. Information Series #105. Pages 461-470. March 4-6, 2008. Fort Collins, Colo.

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.

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.

Soil Aggregation and Carbon Sequestration as affected by Long-Term Tillage Practices - (Abstract Only)

Mikha, M.M., Benjamin, J.G., Vigil, M.F. 2007. Soil Aggregation and Carbon Sequestration as affected by Long-Term Tillage Practices. 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.

Cropping Intensity Effects on Organic Carbon, Aggregate Stability, and Hydraulic Properties of a No-till Loam - (Abstract Only)

Benjamin, J.G., Mikha, M.M. 2007. Cropping Intensity Effects on Organic Carbon, Aggregate Stability, and Hydraulic Properties of a No-till Loam. 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.

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.

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.

Yield Loss Caused by Soil Compaction on a Loam Soil in Eastern Colorado - (Abstract Only)

Benjamin, J.G. 2006. Yield Loss Caused by Soil Compaction on a Loam Soil in Eastern Colorado. 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.

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 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.

ESTIMATING SOIL MINERALIZABLE N UNDER DIFFERENT MANAGEMENT PRACTICES - (Peer Reviewed Journal)

Mikha, M.M., Rice, C.W., Benjamin, J.G. 2006. Estimating soil mineralizable Nitrogen under different management practices. Soil Science Society of America Journal.70:1522-1531.

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.

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.

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.

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

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.

FREEZE-THAW EFFECTS ON PENETROMETER RESISTANCE AND SHEAR STRENGTH OF TWO SOILS - (Abstract Only)

Benjamin, J.G. 2005. Freeze-thaw effects on penetrometer resistance and shear strength of two soils. Agronomy Abstract. Presented at the 2005 ASA, CSSA-SSSA International Annual Meeting. Nov. 6-10, 2005. Salt Lake City, UT

CROPPING SYSTEMS INFLUENCES ON SOIL PHYSICAL PROPERTIES IN THE GREAT PLAINS - (Peer Reviewed Journal)

Pikul Jr, J.L., Schwartz, R.C., Benjamin, J.G., Baumhardt, R.L., Merrill, S.D. 2006. Cropping systems influences on soil physical properties in the great plains. Renewable Agriculture and Food System. 21(1):15-25.

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.

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.

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.

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.

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.

ASSESSMENT OF CROPPING SYSTEM IN THE GREAT PLAINS ON SOIL QUALITY: PHYSICAL PROPERTIES - (Abstract Only)

Pikul Jr, J.L., Schwartz, R.C., Benjamin, J.G., Baumhardt, R.L., Merrill, S.D. 2003. Assessment of cropping system in the great plains on soil quality: physical properties. Annual Meetings Abstracts, Soil Science Society Of America Annual Meeting. November 2-6, 2003, Denver, CO. CD-Rom.

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.

SOIL PHYSICAL CHARACTERISTICS OF CONTRASTING CROPPING SYSTEMS IN THE GREAT PLAINS: PRELIMINARY FINDINGS - (Proceedings)

PIKUL JR, J.L., SCHWARTZ, R.C., BENJAMIN, J.G., BAUMHARDT, R.L., MERRILL, S.D. SOIL PHYSICAL CHARACTERISTICS OF CONTRASTING CROPPING SYSTEMS IN THE GREAT PLAINS: PRELIMINARY FINDINGS. DYNAMIC CROPPING SYSTEMS: PRINCIPLES, PROCESSES AND CHALLENGES. 2003. p. 205-209.

NITROGEN RESPONSE OF SUNFLOWERS IN A FOUR YEAR DRYLAND ROTATION - (Abstract Only)

VIGIL, M.F., BENJAMIN, J.G. NITROGEN RESPONSE OF SUNFLOWERS IN A FOUR YEAR DRYLAND ROTATION. AGRONOMY ABSTRACTS. Presented at the National American Society of Agronomy Meeting, Oct. 2002. Indianapolis, IN.

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.

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

ADVANCES AND CHALLENGES IN PREDICTING AGRICULTURAL MANAGEMENT EFFECTS ON SOIL HYDRAULIC PROPERTIES - (Peer Reviewed Journal)

GREEN, T.R., AHUJA, L.R., BENJAMIN, J.G. ADVANCES AND CHALLENGES IN PREDICTING AGRICULTURAL MANAGEMENT EFFECTS ON SOIL HYDRAULIC PROPERTIES. GEODERMA. 2003. Vol. 116, pp. 3-27.

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.

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.

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

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

FERTILIZER NITROGEN RECOVERY AND YIELD RESPONSE TO NITROGEN BY DRYLAND SUNFLOWERS IN A NO-TILL DRYLAND ROTATION - (Proceedings) - (26-Apr-01)

NITROGEN MICRONUTRIENT AND ROW SPACING RESPONSE OF SUNFLOWERS - (Proceedings) - (27-Dec-00)

QUANTIFYING WHEEL-TRACK EFFECTS ON SOIL HYDRAULIC PROPERTIES FOR AGRICULTURAL SYSTEMS MODELING - (Proceedings) - (31-Jan-00)

PREDICTING UNSATURATED HYDRAULIC CONDUCTIVITY FROM THE GREGSON- HECTOR-MCGOWAN ONE-PARAMETER WATER DESORPTION MODEL - (Abstract Only) - (27-Aug-99)

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

ROOT DISTRIBUTION FOLLOWING SPATIAL SEPARATION OF WATER AND NITROGEN SUPPLY IN FURROW IRRIGATED CORN - (Peer Reviewed Journal) - (16-Dec-97)

NITROGEN LEACHING WITH ALTERNATE AND EVERY FURROW IRRIGATION AND FERTILIZERBANDS - (Abstract Only) - (01-Oct-96)

EFFECTS OF WATER AND NITROGEN PLACEMENT ON CORN ROOT DISTRIBUTION AND NITRATE LEACHING - (Proceedings) - (15-Jun-96)

MODELLING CORN ROOTING PATTERNS AND THEIR EFFECTS ON WATER UPTAKE AND NITRATE LEACHING - (Peer Reviewed Journal) - (10-Oct-95)

WATER AND BROMIDE MOVEMENT INTO A BURIED ARTIFICIAL MACROPORE - (Abstract Only) - (01-Oct-95)