Roland Louis Baumhardt
(Louis)
Soil and Water Management Research
Research Soil Scientist
Phone: (806) 356-5766
Fax: (806) 356-5750
CONSERVATION AND PRODUCTION RESEARCH LABORATORY
P.O. DRAWER 10 (2300 EXPERIMENT STATION RD - SHIP) BUSHLAND, TX, 79012-0010
Evett, S.R., Schwartz, R.C., Howell, T.A., Baumhardt, R.L., Copeland, K.S. 2012. Can weighing lysimeter ET represent surrounding field ET well enough to test flux station measurements of daily and sub-daily ET?. Advances in Water Resources. 50:79-90. http://dx.doi.org/10.1016/j.advwatres.2012.07.023.
Brauer, D.K., Baumhardt, R.L., Howell, T.A., Gitz, D.C. 2012. Changing climate and landuse effects of surface and groundwater use in the Canadian River Basin [abstract]. National Groundwater Association's Conference on the Great Plains Aquifers, October 25-26, 2012, Omaha, NE. 2012 CDROM.
Baumhardt, R.L., Schwartz, R.C., Howell, T.A. 2012. Using conservation tillage to increase yield and water use efficiency of corn and cotton under deficit irrigation. [abstract]. Soil and Water Conservation Society. Paper No.61319939.
Hansen, N.C., Allen, B.L., Baumhardt, R.L., Lyon, D.J. 2012. Research achievements and adoption of no-till, dryland cropping in the semi-arid US Great Plains. Field Crops Research. 132:196-203.
Baumhardt, R.L., Johnson, G.L., Schwartz, R.C. 2012. Residue and long-term tillage and crop rotation effects on simulated rain infiltration and sediment transport. Soil Science Society of America Journal. 76(4):1370-1378.
Unger, P.W., Baumhardt, R.L., Arriaga, F.J. 2012. Mulch tillage for conserving soil water.In:Rattan Lal and B.A. Stewart (ed.)Soil Water and Agronomic Productivity. Boca Raton, London, New York: CRC Press, Taylor & Francis Group. p. 427-453.
Evett, S.R., Baumhardt, R.L., Howell, T.A., Ibragimov, N.M., Hunsaker, D.J. 2012. Cotton. In:P. Steduto, T.C. Hsiao, E. Fereres and D. Raes, editors. Crop Yield Response to Water. 2nd Edition. Irrigation and Drainage Paper No. 66. p 154-161. United Nations Food and Agriculture Organization ISSN 0254-5284.
Baumhardt, R.L., Schwartz, R.C. 2011. Tillage, residue, and crop rotation effects on rain infiltration and sediment transport [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 271-2.
Schwartz, R.C., Schlegel, A.J., Evett, S.R., Baumhardt, R.L. 2011. Monitoring near surface soil water and associated dynamics of infiltration and evaporation fluxes [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 341-13.
Schwartz, R.C., Evett, S.R., Schlegel, A.J., Baumhardt, R.L. 2011. Monitoring near surface soil water and associated dynamics of infiltration and evaporation fluxes [abstract]. European Geosciences Union General Assembly, April 3-8, 2011, Vienna, Austria.
Baumhardt, R.L., Schwartz, R.C., MacDonald, J.C., Tolk, J.A. 2011. Tillage and cattle grazing effects on soil properties and grain yields in a dryland wheat-sorghum-fallow rotation. Agronomy Journal. 103(3):914-922
Schwartz, R.C., Baumhardt, R.L., Evett, S.R. 2010. Tillage effects on soil water redistribution and bare soil evaporation throughout a season. Soil & Tillage Research. 110(2):221-229.
Baumhardt, R.L., Scanlon, B., Schwartz, R.C., Reedy, R. 2010. Long-term conventional and no-tillage management, crop growth, and field hydrology. ASA-CSSA-SSSA Annual Meeting Abstracts, October 31-November 4, 2010, Long Beach, California. Paper No. 123-12. 2010 CDROM.
Evett, S.R., Oshaughnessy, S.A., Colaizzi, P.D., Howell, T.A., Baumhardt, R.L. 2010. Cotton Evapotranspiration and Yield Variations With Canopy Temperature and Irrigation Deficit. ASA-CSSA-SSSA Annual Meeting Abstracts, October 31-November 4, 2010, Long Beach, California. Paper No. 44-4. 2010 CDROM.
Baumhardt, R.L., Schwartz, R.C., Macdonald, J.C., Greene, L. Tillage and grazing effects on yields of a dryland wheat-sorghum-fallow rotation [abstract]. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America 2009 Annual Meeting Abstracts, November 1-5, 2009, Pittsburgh,Pennsylvania. 2009 CD ROM.
Schwartz, R.C., Baumhardt, R.L., Evett, S.R. 2009. Tillage effects on soil water redistribution and bare soil evaporation throughout a season [abstract]. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America 2009 Annual Meeting Abstracts, November 1-5, 2009, Pittsburgh,Pennsylvania. 2009 CD ROM.
Stewart, B.A., Baumhardt, R.L., Evett, S.R. 2010. Major advances of soil and water conservation in the U.S. Southern Great Plains. In: Zoebeck, 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. 103-129.
Colaizzi, P.D., Evett, S.R., Howell, T.A., Baumhardt, R.L. 2009.Comparison of grain sorghum, soybean, and cotton production under spray, LEPA, and SDI. In:Proceedings of the Central Plains Irrigation Conference and Exposition, February 24-25, 2009, Colby,Kansas. p.122-139.
Baumhardt, R.L., Schwartz, R.C., Howell, T.A. 2008. Conservation tillage and deficit irrigation effects on water use and yield of cotton and corn [abstract]. 2008 Joint Meeting of American Society of Agronomy, Soil Science Society of America, and Crop Science Society of America, October 5-9, 2008, Houston, Texas. Paper No. 755-8. 2008 CDROM.
Baumhardt, R.L., Staggenborg, S., Gowda, P., Colaizzi, P.D., Howell, T.A. 2008. Simulating the effects of growing season length and irrigation practices on cotton growth and yield [abstract]. 38th Biological Systems Simulation Conference, April 8-10, 2008, Temple, Texas. p. 20-21.
Kapanigowda, M., Stewart, B.A., Howell, T.A., Baumhardt, R.L., Kadasrivenkata, H., Colaizzi, P.D. 2008. Clump planting to reduce the tiller production and increase the yield in dryland corn [abstract]. 2008 Joint Meeting of American Society of Agronomy, Soil Science Society of America, and Crop Science Society of America, October 5-9, 2008, Houston, Texas. Paper No. 755-3. 2008 CD ROM.
Baumhardt, R.L., Schwartz, R.C., Greene, L.W., Macdonald, J. 2009. Cattle gain and crop yield for a dryland wheat-sorghum-fallow rotation. Agronomy Journal. 101:150-158.
Gowda, P., Baumhardt, R.L., Howell, T.A., Marek, T.H. 2008. Planting date forecast for cotton using minimum and maximum air temperature [abstract]. 38th Biological Systems Simulation Conference, April 8-10, 2008, Temple,Texas. p. 50-51.
Baumhardt, R.L., Jones, O., Schwartz, R.C. 2008. Long term effects of profile-modifying deep plowing on soil properties and crop yield. Soil Science Society of America Journal. 72:677-682.
Schwartz, R.C., Baumhardt, R.L., Howell, T.A. 2008. Estimation of soil water balance components using an iterative procedure. Vadose Zone Journal. 7(1):115-123.
Esparza, A., Gowda, P., Baumhardt, R.L., Marek, T., Howell, T.A. 2007. Heat unit availability for cotton production in the Ogallala Aquifer Region of the United States. Journal of Cotton Science. 11(3):110-117.
Gowda, P., Baumhardt, R.L., Esparza, A.M., Marek, T., Howell, T.A. 2007. Suitability of cotton as an alternative crop in the Ogallala Aquifer Region. Agronomy Journal. 99:1397-1403.
Baumhardt, R.L., Staggenborg, S., Gowda, P., Colaizzi, P.D. 2007. Modeling to evaluate irrigation management strategies to maximize cotton yield and water use efficiency. In: Biological Systems Simulation Group Proceedings, April 11-13, 2007, Beltsville, Maryland. p. 41-42.
Green, V.S., Dao, T.H., Stone Jr, G.N., Cavigelli, M.A., Baumhardt, R.L., Devine, T.E. 2007. Bioactive Phosphorus Loss in Simulated Runoff From a P-Enriched Soil Under Two Forage Management Systems. Soil Science. 172:721-732.
Baumhardt, R.L. 2007. Adapting the dryland wheat-sorghum fallow rotation for use with dryland and deficit irrigated cotton. 10th Annual National Conservation Systems Cotton and Rice Conference, January 29-30, 2007, Houston, Texas. p. 5-7.
Gowda, P., Esparza, A.M., Baumhardt, R.L., Colaizzi, P.D., Howell, T.A. 2006. Evaluating cotton yield potential in the Ogallala Aquifer region. Ground Water and Surface Water Under Stress: Competition, Interaction, Solutions. A USCID Water Management Conference, October 25-28, 2006, Boise, Idaho. p. 127-137.
Schwartz, R.C., Baumhardt, R.L., Evett, S.R. 2006. Monitoring tillage effects on soil water dynamics using automated time-domain reflectometry [abstract]. 18th World Congress of Soil Science. Paper No. 116-30.
Baumhardt, R.L., Schwartz, R.C., Greene, L.W. 2006. Tillage and grazing effects on soil physical properties and crop yield [abstract]. In: Proceedings of the 28th Annual Southern Conservation Systems Conference, June 26-28, 2006, Amarillo, Texas. p. 283.
Schwartz, R.C., Baumhardt, R.L., Evett, S.R. 2006. Monitoring tillage effects on soil water dynamics using automated time-domain reflectometry. In: Proceedings of the 28th Annual Southern Conservation Systems Conference, June 26-28, 2006, Amarillo, Texas. p. 284.
Esparza, A.M., Gowda, P., Baumhardt, R.L., Robinson, C.A. 2006. Thermal viability of cotton production in the Ogallala Aquifer region. In: Proceedings of the West Texas A&M University 12th Annual Student Research Conference, March 3, 2006, Canyon, Texas.
Baumhardt, R.L., Tolk, J.A., Howell, T.A., Rosenthal, W.D. 2006. Modeling to evaluate irrigation and crop management strategies for maximizing grain sorghum yield and water use efficiency. In: 36th Biological Systems Simulation Conference, April 11-13, 2006, Fort Collins, Colorado. p. 25-26.
Esparza, A.M., Gowda, P., Baumhardt, R.L., Robinson, C.A. 2006. Climatic risk to cotton production in the Ogallala Aquifer region. In: Proceedings of the World Water and Environmental Resources Congress. Examining the Confluence of Environmental and Water Concerns, May 21-25, 2006, Omaha, Nebraska. 2006 CDROM.
Baumhardt, R.L. 2006. Book review: Challenges and Strategies of Dryland Agriculture. In: Rao, S.C., Ryan, J., editors. CSSA Special Publication 32. Madison, Wi: American Socity of Agronomy. p. 155-157.
Karlen, D.L., Franzluebbers, A.J., Busscher, W.J., Baumhardt, R.L., Wright, R.J., Jawson, M.D. 2005. The soil resource management national program -- challenges and opportunities [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 6-10, 2005, Salt Lake City, UT.
Baumhardt, R.L., Greene, L.W., Schwartz, R.C. 2005. Cattle grazing effects on dryland cropping system productivity and soil properties [abstract]. Agronomy Abstracts, ASA-CSSA-SSSA Annual Meeting, Salt Lake City, Utah. 2005 CDROM.
Schwartz, R.C., Baumhardt, R.L., Evett, S.R. 2005. Tillage effects on near surface soil water dynamics [abstract]. Agronomy Abstracts, ASA-CSSA-SSSA Annual Meeting, Salt Lake City, Utah. 2005 CDROM.
Bandaru, V., Stewart, B.A., Baumhardt, R.L., Ambati, S., Robinson, C.A., Schlegel, A. 2005. Growing dryland grain sorghum in clumps to reduce tillers and early season water use and increase yield and harvest index [abstract]. Agronomy Abstracts, ASA-CSSA-SSSA Annual Meeting. Salt Lake City, Utah. 2005 CDROM.
Schiere, H.B., Baumhardt, R.L., Van Keulen, H., Whitbread, A.M., Bruinsma, A.S., Goodchild, A.V., Gregorini, P., Slingerland, M.A., Hartwell, B. 2006. Mixed crop-livestock systems in semiarid regions. In: Peterson, G.A., Unger, P.W., Payne, W.A., editors. Dryland Agriculture. American Society of Agronomy Monograph Series No. 23. Madison, WI: American Society of Agronomy. p. 227-291.
Baumhardt, R.L., Jones, O.R. 2005. Long-term benefits of deep tillage on soil physical properties and crop yield. In: The 27th Annual Southern Conservation Tillage Systems Conference, The Science of Conservation Tillage: Continuing the Discoveries, June 27-29, 2005, Florence, South Carolina. p. 95-101. 2005 CDROM.
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.
Baumhardt, R.L., Schwartz, R.C. 2004. Crusts/Structural. In: Hillel, D., editor. Encyclopedia of Soils in the Environment. Oxford, UK: Elsevier Press. p. 347-356.
Baumhardt, R.L., Bean, B.W. 2004. Increasing returns of sorghum production systems with alternate summer crops and cattle grazing in rotations. Agricultural Experiment Station Publication. 4 p. Available: http://sorghum.tamu.edu/report_database/files/sub129/nnan.BAUM_PRFT-03rtn-rpt.pdf.
Baumhardt, R.L., Howell, T.A. 2004. Estimating grain sorghum production under deficit irrigation. Agricultural Experiment Station Publication. 4 p. Available: http://sorghum.tamu.edu/report_database/files/sub130hrby.BAUM_PRFT-03modl-rpt.pdf.
Baumhardt, R.L., Anderson, R.L. 2006. Crop choices and rotation principles. In: Peterson, G.A., Unger, P.W., Payne, W.A., editors. Dryland Agriculture. American Society of Agronomy Monograph Series No.23. Madison, WI: American Society of Agronomy. p. 113-139.
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.
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.
Baumhardt, R.L., Salinas-Garcia, J. 2006. Dryland agriculture in Mexico and the U.S. Southern Great Plains. In: Peterson, G.A., Unger, P.W., Payne, W.A., editors. Dryland Agriculture. American Society of Agronomy Monograph Series No. 23. Madison, WI: American Society of Agronomy. p. 341-364.
JONES, O.R., BAUMHARDT, R.L. FURROW DIKES. STEWART, B.A., HOWELL, T.A., EDITORS. MARCEL-DEKKER, INC., NEW YORK, NY. ENCYCLOPEDIA OF WATER SCIENCE. 2003. P. 317-320.
BAUMHARDT, R.L. DUST BOWL ERA. STEWART, B.A., HOWELL, T.A., EDITORS. MARCEL-DEKKER, INC., NEW YORK, NY. ENCYCLOPEDIA OF WATER SCIENCE. 2003. P. 187-191.
SCHWARTZ, R.C., BAUMHARDT, R.L., DAO, T.H. TILLAGE AND BEEF CATTLE MANURE EFFECTS ON SOIL NITROGEN IN A DRYLAND ROTATION. PROCEEDINGS OF THE GREAT PLAINS SOIL FERTILITY CONFERENCE. 2002. P. 66-71.