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United States Department of Agriculture

Agricultural Research Service

Related Topics

Douglas R Smith
Grassland, Soil and Water Research Laboratory
Soil Science

Phone: (254) 770-6562
Fax: (254) 770-6561

808 E BLACKLAND RD
TEMPLE , TX 76502

Projects
Laboratory Support for Air, Soil, and Water Quality Nexus Research
General Cooperative Agreement (A)
  Accession Number: 428986
Development and Evaluation of Sustainable Crop and Grassland Production Systems
Appropriated (D)
  Accession Number: 429095
ENHANCED MODELS AND CONSERVATION PRACTICES FOR WATERSHED RESOURCE MANAGEMENT AND ASSESSMENT
Appropriated (D)
  Accession Number: 422660
Development of a Decision Support Tool to Guide Watershed Scale Conservation Practice Placement
Trust (T)
  Accession Number: 429543

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Phosphorus fertilization, soil stratification and potential water quality impacts -
Evaluation of H3A for determination of plant available P vs. FeAIO strips -
Quantifying attachment and antibiotic resistance of Escherichia coli from conventional and organic swine manure Reprint Icon -
Zwonitzer, M.R., Soupir, M.L., Jarboe, L.R., Smith, D.R. 2016. Quantifying attachment and antibiotic resistance of Escherichia coli from conventional and organic swine manure. Journal of Environmental Quality. 45(2):609-617. doi:10.2134/jeq2015.05.0245.
Influence of instream habitat and water chemistry on amphibians within channelized agricultural headwater streams -
Jordan, M.A., Casteneda, A., Smiley, P.C., Gillespie, R.B., Smith, D.R., King, K.W. 2016. Influence of instream habitat and water chemistry on amphibians within channelized agricultural headwater streams. Agriculture, Ecosystems and Environment. 230:87-97.
Conservation implications of amphibian habitat relationships within channelized agricultural headwater streams in the midwestern United States -
Smiley, P.C., Jordan, M.A., Castamdeda, A., Gillespie, R.B., Smith, D.R., King, K.W. 2016. Conservation implications of amphibian habitat relationships within channelized agricultural headwater streams in the midwestern United States. Meeting Abstract. 2016 Joint Meeting of Ichthyologists and Herpetologists, July 7-10, 2016, New Orleans, Louisiana.
A quantitative assessment and synthesis of fifty years of published drainage phosphorus losses -
Open inlet conversion: Water quality benefits of two designs -
Augmenting watershed model calibration with incorporation of ancillary data sources and qualitative soft data sources Reprint Icon -
Yen, H., White, M.J., Ascough II, J.C., Smith, D.R., Arnold, J.G. 2016. Augmenting watershed model calibration with incorporation of ancillary data sources and qualitative soft data sources. Journal of the American Water Resources Association. 52(3):788-798. doi:10.1111/1752-1688.12428.
Phosphorus modeling in tile drained agricultural systems using APEX Reprint Icon -
Francesconi, W., Williams, C.O., Smith, D.R., Williams, J.R., Jeong, J. 2016. Phosphorus modeling in tile drained agricultural systems using APEX. Journal of Fertilizers & Pesticides. 7(1):166. doi:10.4172/2471-2728.1000166.
Effect of conservation practices implementd by USDA programs at field and watershed scales -
Her, Y., Chaubey, I., Frankenberger, J., Smith, D.R. 2016. Effect of conservation practices implementd by USDA programs at field and watershed scales. Journal of Soil and Water Conservation. 71(3):204-221.
Effects of field storage method on E. coli concentrations measured in storm water runoff Reprint Icon -
Harmel, R.D., Wagner, K., Martin, E., Smith, D.R., Wanjugi, P., Gentry, T., Gregory, L., Hendon, T. 2016. Effects of field storage method on E. coli concentrations measured in storm water runoff. Environmental Monitoring and Assessment. 188:170. doi:10.1007/S10661-016-5183-9.
Blind inlets: Conservation practices to reduce herbicide losses from closed depressional areas -
Gonzalez, J.M., Smith, D.R., Livingston, S.J., Pappas, E.A., Zwonitzer, M. 2016. Blind inlets: Conservation practices to reduce herbicide losses from closed depressional areas. Journal of Soils and Sediments. doi:10.1007/s11368-016-1362-0.
Managing acute phosphorus loss with fertilizer source and placement: Proof of concept -
Smith, D.R., Harmel, R.D., Williams, M.R., Haney, R.L., King, K.W. 2016. Managing acute phosphorus loss with fertilizer source and placement: Proof of concept. Agricultural and Environmental Letters. 1:1. doi:10.2134/ael2015.12.0015.
Evaluation of dynamically dimensioned search algorithm for optimizing SWAT by altering sampling distributions and searching range -
Yen, H., Jeong, J., Smith, D.R. 2016. Evaluation of dynamically dimensioned search algorithm for optimizing SWAT by altering sampling distributions and searching range. Journal of the American Water Resources Association. 52(2):443-455. doi:10.1111/1752-1688.12394.
Vegetated treatment area effectiveness at reducing nutrient runoff from small swine operations in central Texas Reprint Icon -
Higgs, K.D., Harmel, R.D., Wagner, K., Smith, P.K., Haney, R.L., Smith, D.R., Pampell, R. 2015. Vegetated treatment area effectiveness at reducing nutrient runoff from small swine operations in central Texas. Applied Engineering in Agriculture. 31(4):621-629.
Modeling conservation practices in APEX: From the field to the watershed Reprint Icon -
Francesconi, W., Smith, D.R., Flanagan, D.C., Huang, C., Wang, X. 2015. Modeling conservation practices in APEX: From the field to the watershed. Journal of Great Lakes Research. 41(3):760-769.
Effect of alternative surface inlet designs on sediment and phosphorus drainage losses -
Vertical tillage impacts on water quality derived from rainfall simulations Reprint Icon -
Smith, D.R., Pappas, E.A. 2015. Vertical tillage impacts on water quality derived from rainfall simulations. Soil and Tillage Research. 153:155-160.
Phosphorus fate, management and modeling in artificially drained systems -
Kleinman, P.J., Smith, D.R., Bolster, C.H., Easton, Z.M. 2015. Phosphorus fate, management and modeling in artificially drained systems. Journal of Environmental Quality. 44:460-466.
Evaluation of the negative impacts of exposure to agricultural ditch water in fishes using streamside bioassays and field biomarkers -
Gillespie, R.G., Smiley, P.C., Sanders, K., King, K.W., Smith, D.R. 2015. Evaluation of the negative impacts of exposure to agricultural ditch water in fishes using streamside bioassays and field biomarkers. Meeting Abstract. 2015 Indiana Academy of Sciencs Meeting, March 21, 2015, Indianapolis, Indiana.
What is causing the harmful algal blooms in Lake Erie? Reprint Icon -
Smith, D.R., King, K.W., Williams, M.R. 2015. What is causing the harmful algal blooms in Lake Erie? Journal of Soil and Water Conservation. 70(2):27A-29A.
Applicability of models to predict phosphorus losses in drained fields: A review -
Radcliffe, D.E., Reid, D.K., Blomback, K., Bolster, C.H., Collick, A.S., Easton, Z., Francesconi, W., Fuka, D.R., Johnson, H., King, K.W., Larsbo, M., Youssef, M., Mulkey, A.S., Nelson, N.O., Persson, K., Ramirez-Avila, J.J., Schmieder, F., Smith, D.R. 2015. Applicability of models to predict phosphorus losses in drained fields: A review. Journal of Environmental Quality. 44(2):614-628.
Evaluating the potential role of denitrifying bioreactors in reducing watershed-scale nitrate loads: A case study comparing three Midwestern (USA) watersheds Reprint Icon -
Moorman, T.B., Tomer, M.D., Smith, D.R., Jaynes, D.B. 2015. Evaluating the potential role of denitrifying bioreactors in reducing watershed-scale nitrate loads: A case study comparing three Midwestern (USA) watersheds. Ecological Engineering. 75:441-448. doi: 10.1016/j.ecoleng.2014.11.062.
Phosphorus losses from monitored fields with conservation practices in the Lake Erie Basin, USA Reprint Icon -
Smith, D.R., Francesconi, W., Livingston, S.J., Huang, C. 2015. Phosphorus losses from monitored fields with conservation practices in the Lake Erie Basin, USA. Ambio. 44(2):S319-S331.
Effect of replacing surface inlets with blind or gravel inlets on sediment and phosphorus subsurface drainage losses Reprint Icon -
Feyereisen, G.W., Francesconi, W., Smith, D.R., Papiernik, S.K., Krueger, E.S., Wente, C.D. 2015. Effect of replacing surface inlets with blind or gravel inlets on sediment and phosphorus subsurface drainage losses. Journal of Environmental Quality. 44(2):594-604.
USDA-ARS Riesel Watersheds, Riesel, Texas, USA: Water quality research database Reprint Icon -
Harmel, R.D., Haney, R.L., Smith, D.R., King, K.W. 2014. USDA-ARS Riesel Watersheds, Riesel, Texas, USA: Water quality research database. Water Resources Research. 50:8374-8382.
Phosphorus transport in agricultural subsurface drainage: A review -
King, K.W., Williams, M.R., Macrae, M.L., Fausey, N.R., Smith, D.R., Frankenberger, J., Kleinman, P.J., Brown, L.C. 2014. Phosphorus transport in agricultural subsurface drainage: A review. Journal of Environmental Quality. 44(2):467-85. doi:10.2134/jeq2014.04.0163.
Reducing nitrogen export from the corn belt to the Gulf of Mexico: Agricultural strategies for remediating hypoxia -
Assessment of pollutants sequestration in flowing waters using Red Mud -
Chagas, I., Smith, D.R., Huang, C., Bowling, L. 2014. Assessment of pollutants sequestration in flowing waters using Red Mud [abstract]. American Society of Agronomy Annual Meeting, November 2-5, 2014, Long Beach, CA. 2014 CDROM.
Assessment of electrical conductivity as a surrogate measurement for water samples in a tracer injection experiment -
Chagas, I., Huang, C., Bowling, L., Smith, D.R. 2014. Assessment of electrical conductivity as a surrogate measurement for water samples in a tracer injection experiment [abstract]. American Society of Agronomy Annual Meeting, November 2-5, 2014, Long Beach, CA. 2014 CDROM.
Application of a calibrated/validated Agricultural Policy/Environmental eXtender model to assess sediment and nutrient delivery from the Wildcat Creek Mississippi River Basin Initiative – Cooperative Conservation Partnership -
Francesconi, W., Smith, D.R., Heathman, G.C., Gonzalez, J.M., Benage, M. 2015. Application of a calibrated/validated Agricultural Policy/Environmental eXtender model to assess sediment and nutrient delivery from the Wildcat Creek Mississippi River Basin Initiative – Cooperative Conservation Partnership. Journal of Soil and Water Conservation Initiative. 70(1):23-35.
State of science of phosphorus modeling in tile drained agricultural systems using APEX -
Surface runoff and tile drainage transport of phosphorus in the Midwestern United States -
Smith, D.R., King, K.W., Johnson, L., Francesconi, W., Richards, P., Baker, D., Sharpley, A.N. 2014. Surface runoff and tile drainage transport of phosphorus in the Midwestern United States. Journal of Environmental Quality. 44(2):495-502. DOI:10.2134/jeq2014.04.0176.
Monitoring and APEX modeling of no-till and reduced-till in tile drained agricultural landscapes for water quality -
Francesconi, W., Smith, D.R., Heathman, G.C., Wang, X., Williams, C. 2014. Monitoring and APEX modeling of no-till and reduced-till in tile drained agricultural landscapes for water quality. Transactions of the ASABE. 57(3):777-789.
Treatment of phosphorus transported from tile and ditch-drained agricultural fields using sorption materials -
Penn, C.J., Coale, F.J., Smith, D.R., Kjaergaard, C., Mcgrath, J.M., Lyngsie, G., Bryant, R.B., Feyereisen, G.W., Hansen, H.B. 2013. Treatment of phosphorus transported from tile and ditch-drained agricultural fields using sorption materials [Abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No 348-15.
Nitrous oxide emissions in Midwest US maize production vary widely with band-injected liquid N fertilizer rates, timing and nitrapyrin presence Reprint Icon -
Burzaco, J.P., Smith, D.R., Vyn, T.J. 2013. Nitrous oxide emissions in Midwest US maize production vary widely with band-injected liquid N fertilizer rates, timing and nitrapyrin presence. Environmental Research Letters. 8(2013)035031(11pp). DOI:10.1088/1748-9326/8/3/035031.
Phosphorus in the Lake Erie Basin: How can we better manage our fertilizers? -
Smith, D.R. 2013. Phosphorus in the Lake Erie Basin: How can we better manage our fertilizers? [abstract]. ASA-CSSA-SSSA Annual Meeting, November 3-6, 2013, Tampa, FL. 2013 CDROM.
Phosphorus losses from drainage systems: breaking the surface tile riser connection -
Smith, D.R., Feyereisen, G.W. 2013. Phosphorus losses from drainage systems: breaking the surface tile riser connection [abstract]. ASA-CSSA-SSSA Annual Meeting, November 3-6, 2013, Tampa, FL. 2013 CDROM.
Drainage water phosphorus losses in the great lakes basin -
Smith, D.R., Richards, P., King, K.W., Francesconi, W., Sharpley, A. 2013. Drainage water phosphorus losses in the great lakes basin [abstract]. ASA-CSSA-SSSA Annual Meeting, November 3-6, 2013, Tampa, FL. 2013 CDROM.
Quantifying subsurface hydrology effects on chemical transport in drainage ditches using a 20-meter flume -
Yoder, C., Huang, C., Bowling, L., Smith, D.R. 2013. Quantifying subsurface hydrology effects on chemical transport in drainage ditches using a 20-meter flume [abstract]. ASA-CSSA-SSSA Annual Meeting, November 3-6, 2013, Tampa, FL. 2013 CDROM.
Similarities in fish-habitat relationships within channelized agricultural headwater streams in Ohio and Indiana -
Smiley, P.C., Gillespie, R.G., Sanders, K., King, K.W., Smith, D., Pappas, E.A. 2014. Similarities in fish-habitat relationships within channelized agricultural headwater streams in Ohio and Indiana. Ecological Restoration and Sustainability - Partners for the Future. Abstract Book for the Fifth Midwest-Great Lakes SER Chapter Meeting. Midwest-Great Lakes SER Chapter, Indianapolis, Indiana. Meeting Abstract. pg 35.
Relative importance of water chemistry and habitat to fish communities in headwater streams influenced by agricultural land use -
Gillespie, R.G., Smiley, P.C., Sanders, K.E., King, K.W., Smith, D. 2013. Relative importance of water chemistry and habitat to fish communities in headwater streams influenced by agricultural land use. March 25-27, 2013, St. Louis, Missouri.Meeting Abstract. 2013 College of Food Agricultural, and Environmental Sciences Undergraduate Research Symposium, March 25-27, 2013, St. Louis, Missouri. Meeting Abstract.
Implications of fish-habitat relationships for designing restoration projects within channelized agricultural headwater streams -
Smiley, P.C., Gillespie, R.G., Gonzalez, J.M., King, K.W., Smith, D. 2013. Implications of fish-habitat relationships for designing restoration projects within channelized agricultural headwater streams. Meeting Abstract. 2013 Upper Midwest Stream Restoration Symposium, February 24-27, 2013, La Crosse, Wisconsin. Oral Abstract Guide, pg. 7.
Downstream approaches to phosphorus management in agricultural landscapes: Regional applicability and use -
Kroger, R., Dunne, E.J., Novak, J., King, K.W., Mclellan, E., Smith, D.R., Strock, J., Boomer, K., Tomer, M., Noe, G.B. 2013. Downstream approaches to phosphorus management in agricultural landscapes: Regional applicability and use. Science of the Total Environment. 442:263-274.
ArgoEcoSystem-watershed (AgES-W) model evaluation for streamflow and nitrogen/sediment dynamics on a midwest agricultural watershed -
Ascough II, J.C., David, O., Smith, D.R., Kipka, H., Fink, M., Green, T.R., Krause, P., Mcmaster, G.S., Kralisch, S., Ahuja, L.R. 2012. ArgoEcoSystem-watershed (AgES-W) model evaluation for streamflow and nitrogen/sediment dynamics on a midwest agricultural watershed. In: Seppelt, R., Voinov, A.A., Lange, S., and Bankamp, D. editors,Proceedings of the Sixth Biennial Meetinf or the International Environmental Modeling and Software Society, Managing Resources of a Limited Planet: Pathways and Visions Under Uncertainty, July 1-5, 2012, Leipzig, Germany. p. 2179-2186.
Phosphorus doesn’t move through sub-surface tile, right? -
Smith, D.R. 2012. Phosphorus doesn’t move through sub-surface tile, right? [abstract]. ASA-CSSA-SSSA International Annual Meeting, October 21-24, 2012, Cincinnati, OH. 2012 CDROM.
Identifying best management practices to minimize P loss in a tile drained landscape -
Francesconi, W., Smith, D.R., Heathman, G.C., Gonzalez, J.M. 2012. Identifying best management practices to minimize P loss in a tile drained landscape. ASA-CSSA-SSSA International Annual Meeting, October 21-24, 2012, Cincinnati, OH. 2012 CDROM.
Effectiveness of conservation practices within watersheds: Case study in tile-drained systems -
Moorman, T.B., Smith, D.R., King, K.W., Malone, R.W. 2012. Effectiveness of conservation practices within watersheds: Case study in tile-drained systems [abstract]. Abstract Book - 67th International SWCS Annual Conference. p. 24.
Managing farmed closed depressional areas using blind inlets to minimize phosphorus and nitrogen losses -
Smith, D.R., Livingston, S.J. 2013. Managing farmed closed depressional areas using blind inlets to minimize phosphorus and nitrogen losses. Soil Use and Management. 29(1):94-102. DOI: 10.111/j.1475-2743.2012.00441.x.
Soil greenhouse gas emissions from three decades long-term experimental field of corn-soybean rotation and tillage treatments -
Seo, J., Vyn, T.J., Gal, A., Smith, D.R. 2012. Soil greenhouse gas emissions from three decades long-term experimental field of corn-soybean rotation and tillage treatments. Korean Journal of Crop Science. 57(1):89-97.
Model development and applications at the USDA-ARS National Soil Erosion Research Laboratory -
Flanagan, D.C., Huang, C., Smith, D.R., Heathman, G.C. 2012. Model development and applications at the USDA-ARS National Soil Erosion Research Laboratory. In: Proceedings of the 8th International Symposium Agro Envrion, May 1-4, 2012, Wageningen, The Netherlands. 5 pp. Available: https://library.wur.nl/ojs/index.php/AE2012/article/view/13159/12688.
Soil carbon dioxide fluxes in conventional and conservation tillage corn production systems receiving poultry litter and inorganic fertilizer Reprint Icon -
Nyakatawa, E.Z., Mays, D.A., Way, T.R., Watts, D.B., Torbert III, H.A., Smith, D.R. 2012. Soil carbon dioxide fluxes in conventional and conservation tillage corn production systems receiving poultry litter and inorganic fertilizer. Journal of Sustainable Agriculture. 36(8):873-892.
The development of alum rates to enhance the remediation of phosphorus in fluvial systems following manure spills -
Armstrong, S.D., Smith, D.R., Owens, P.R., Joern, B.C., Huang, C. 2012. The development of alum rates to enhance the remediation of phosphorus in fluvial systems following manure spills. Journal of Environmental Monitoring. 14:292-298.
Tillage and fertilizer management effects on soil atmospheric exchanges of methane and nitrous oxide in a corn production system -
Nyakatawa, E.Z., Mays, D.A., Way, T.R., Watts, D.B., Torbert III, H.A., Smith, D.R. 2011. Tillage and fertilizer management effects on soil atmospheric exchanges of methane and nitrous oxide in a corn production system. Applied and Environmental Soil Science. Article ID 475370, 12 pages doi:10.1155/2011/475370. Available: http://www.hindawi.com/journals/aess/ 2011/475370.
Evaluation of the Agro-EcoSystem-Watershed (AgES-W)model for estimating nutrient dynamics on a midwest agricultural watershed -
Ascough II, J.C., David, O., Smith, D.R., Heathman, G.C. 2011. Evaluation of the Agro-EcoSystem-Watershed (AgES-W)model for estimating nutrient dynamics on a midwest agricultural watershed. Soil and Water Conservation Society Annual Meeting,July 17-20,2011, Washington, D.C. Paper No. CTT-2.
Greenhouse gas emissions from traditional and biofuels cropping systems -
Smith, D.R., Brouder, S., Bucholtz, D.L., Volenec, J., Turco, R., Ejeta, G. 2011. Greenhouse gas emissions from traditional and biofuels cropping systems [abstract]. ASA-CSSA-SSSA International Annual Meeting in conjunction with the Canadian Society of Soil Science, October 16-19, 2011, San Antonio, Texas. 2011 CDROM.
Impacts of conservation buffers and grasslands on total phosphorus load using hydrologic modeling and remote sensing techniques -
Larose, M., Heathman, G.C., Smith, D.R., Norton, L.D. 2011. Impacts of conservation buffers and grasslands on total phosphorus load using hydrologic modeling and remote sensing techniques. Catena. 86:121-129.
Effect of tile effluent on nutrient concentration and retention efficiency in agricultural drainage ditches Reprint Icon -
Ahiablame, L.M., Chaubey, I., Smith, D.R., Engel, B.A. 2011. Effect of tile effluent on nutrient concentration and retention efficiency in agricultural drainage ditches. Agricultural Water Management. 98:1271-1279.
Phosphorus and nitrogen loading depths in fluvial sediments following manure spill simulations Reprint Icon -
Armstrong, S.D., Smith, D.R., Owens, P.R., Joern, B.C., Leytem, A.B., Huang, C., Adeola, L. 2011. Phosphorus and nitrogen loading depths in fluvial sediments following manure spill simulations. Canadian Journal of Soil Science. 91:427-436.
Effects of annual turkey litter application on surface soil quality of a Texas Blackland vertisol -
Harmel, R.D., Haney, R.L., Smith, D.R. 2011. Effects of annual turkey litter application on surface soil quality of a Texas Blackland vertisol. Soil Science. 176(5):227-236.
Nitrogen oartitioning and utilization in corn cropping systems: Rotation, N source, and N timing Reprint Icon -
Hernandez-Ramirez, G., Brouder, S.M., Smith, D.R., Van Scoyoc, G.E. 2011. Nitrogen oartitioning and utilization in corn cropping systems: Rotation, N source, and N timing. European Journal of Agronomy. 34:190-195.
Spatially-distributed stream flow and nutrient dynamics simulations using the component-based AgroEcoSystem-Watershed (AgES-W)Model -
Ascough II, J.C., David, O., Heathman, G.C., Smith, D.R., Green, T.R., Krause, P., Kipka, H., Fink, M. 2010. Spatially-distributed stream flow and nutrient dynamics simulations using the component-based AgroEcoSystem-Watershed (AgES-W)Model. American Geophysical Union. Fall Meeting, December 13-17, 2010, San Francisco, California. Paper No. H43F-1329.
Fertilizer and tillage management impacts on non-carbon-dioxide greenhouse gas emissions -
Smith, D.R., Hernandez Ramirez, G., Armstrong, S.D., Bucholtz, D.L., Stott, D.E. 2011. Fertilizer and tillage management impacts on non-carbon-dioxide greenhouse gas emissions. Soil Science Society of America Journal. 75(3):1070-1082.
Nutrient content at the sediment-water interface of tile-fed agricultural drainage ditches -
Ahiablame, L.M., Chaubey, I., Smith, D.R. 2010. Nutrient content at the sediment-water interface of tile-fed agricultural drainage ditches. Water: A Multidiscplinary Research Journal. 2:411-428. DOI:10.2290/w2030411.
Nitrous oxide emissions in corn following three decades of tillage and rotation treatments -
Omonode, R.A., Vyn, T.J., Smith, D.R., Gal, A. 2011. Nitrous oxide emissions in corn following three decades of tillage and rotation treatments. Soil Science Society of America Journal. 75:152-163.
Do Plot Studies Generate “Directionally” Correct Assessments of Field Level Phosphorus Losses? Reprint Icon -
Smith, D.R., Pappas, E.A. 2010. Do Plot Studies Generate “Directionally” Correct Assessments of Field Level Phosphorus Losses? Journal of Soil and Water Conservation. 65(5):289-297.
Assessing Nutrient Transport Following Dredging of Agricultural Drainage Ditches Reprint Icon -
Smith, D.R., Huang, C. 2010. Assessing Nutrient Transport Following Dredging of Agricultural Drainage Ditches. Transactions of the American Society of Agricultural and Biological Engineers. 53:429-436.
Contaminant Transport to Shallow Drainage Water in Pothole Topography -
Pappas, E.A., Smith, D.R. 2010. Contaminant Transport to Shallow Drainage Water in Pothole Topography [abstract]. In: Proceedings of the American Society of Agricultural Engineers International Meeting. 21st Century Watershed Technology Conference. February 21-24, 2010, San Jose, Costa Rica.
Nutrient Attenuation Under Natural Conditions in Agricultural Drainage Ditches -
Ahiablame, L.M., Chaubey, I., Smith, D.R., Engel, B. 2010. Nutrient Attenuation Under Natural Conditions in Agricultural Drainage Ditches [abstract]. In: Proceedings of the 3rd International Conference on Current and Future State of Water Resources and Environment (EWRI-IITM2010). January 5-7, 2010, Chennai, India. 2010. CDROM.
Impact of Time to First Rainfall Event on Greenhouse Gas Emissions Following Manure Applications -
Smith, D.R., Owens, P.R. 2010. Impact of Time to First Rainfall Event on Greenhouse Gas Emissions Following Manure Applications. Communications in Soil Science and Plant Analysis. 41:1604-1614.
Transport and Fate of Phosphorus During and After Manure Spill Simulations Reprint Icon -
Armstrong, S.D., Smith, D.R., Joern, B.C., Owens, P.R., Leytem, A.B., Huang, C., Adeola, L. 2010. Transport and Fate of Phosphorus During and After Manure Spill Simulations. Journal of Environmental Quality. 39:345-352.
Nutrient Use Efficiency in Bioenergy Cropping Systems: Critical Research Questions -
Brouder, S., Bolenec, J.J., Turco, R., Smith, D.R., Ejeta, G. 2009. Nutrient Use Efficiency in Bioenergy Cropping Systems: Critical Research Questions. In: The Proceedings of the International Plant Nutrition Colloquium XVI. Paper No. 1430.
Structure Stability and Carbon Distribution in Silty Loam Soil Aggregates as Affected Tillage and Corn-Soybean Crop Rotation -
Mamedov, A.I., Norton, L.D., Huang, C., Stott, D.E., Smith, D.R., Wagner, L.E. 2009. Structure Stability and Carbon Distribution in Silty Loam Soil Aggregates as Affected Tillage and Corn-Soybean Crop Rotation [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. November 1-5, 2009, Pittsburgh, PA. 2009 CDROM.
Phosphorus Adsorption and Desorption During and After Swine Manure Spill Simulations -
Armstrong, S.D., Smith, D.R., Joern, B.C., Owens, P.R., Leytem, A.B., Huang, C., Adeola, L. 2009. Phosphorus Adsorption and Desorption During and After Swine Manure Spill Simulations [abstract]. SERA-IEG 17 Bulletin. July 28-31, 2009, Windsor, Ontario, Canada. 2009 CDROM.
Do Plot Scale Studies Yield Useful Data When Assessing Field Scale Practices? -
Smith, D.R., Pappas, E.A. 2009. Do Plot Scale Studies Yield Useful Data When Assessing Field Scale Practices? [abstract]. American Society of Agronomy-Crop Science Society of America-Soil Science Society of America Annual Meeting Abstracts, Footprints in the Landscape-Sustainability through Plant and Soil Sciences, November 1-5, 2009. Pittsburgh, PA. 2009 CDROM.
Structure Stability and Carbon Distribution in Silty Loam Soil Aggregates as Affected Tillage and Corn-Soybean Crop Rotation Reprint Icon -
Mamedov, A.I., Norton, L.D., Huang, C., Stott, D.E., Smith, D.R., Wagner, L.E. 2009. Structure Stability and Carbon Distribution in Silty Loam Soil Aggregates as Affected Tillage and Corn-Soybean Crop Rotation. ASA-CSSA-SSSA Annual Meeting Abstracts, November 1-5, 2009, Pittsburg, PA. DOI: 10.2136/AnMtgsAbsts2009.53643.
Modeling the Effects of Conservation Tillage on Water Quality at the Field Scale -
Heathman, G.C., Pappas, E.A., Smith, D.R. 2009. Modeling the Effects of Conservation Tillage on Water Quality at the Field Scale [abstract]. Soil and Water Conservation Society Annual Conference, July 11-15, 2009. Dearborn, Michigan. 2009 CDROM.
Nutrient Transport in Dredged Reaches of Agricultural Drainage Ditches -
Smith, D.R., Huang, C. 2009. Nutrient Transport in Dredged Reaches of Agricultural Drainage Ditches [abstract]. Soil and Water Conservation Society and CEAP meeting, July 11-15, 2009. Dearborn, Michigan. 2009 CDROM.
Manure Spills in Streams: Current Practices and Remediation Methods to Minimize Water Quality Degradation -
Assessment of In-Stream Phosphorus Dynamics in Agricultural Drainage Ditches Reprint Icon -
Smith, D.R. 2009. Assessment of In-Stream Phosphorus Dynamics in Agricultural Drainage Ditches. Science of the Total Environment. 407:3883-3889.
Nitrogen and Phosphorus Runoff from Cropland and Pasture Fields Fertilized with Poultry Litter Reprint Icon -
Harmel, R.D., Smith, D.R., Haney, R.L., Dozier, M.C. 2009. Nitrogen and Phosphorus Runoff from Cropland and Pasture Fields Fertilized with Poultry Litter. Journal of Soil and Water Conservation. 64(6):400-412.
Field Scale Monitoring and Modeling of Water and Chemical Transfer in the Vadose Zone -
Heathman, G.C., Pappas, E.A., Smith, D.R., Huang, C. 2009. Field Scale Monitoring and Modeling of Water and Chemical Transfer in the Vadose Zone [abstract]. European Geosciences Union General Assembly 2009, April 19-24, 2009, Vienna, Austria. 2009. Geophysical Research Abstracts, Vol. 11, EGU2009-1418, 2009.
Factors Influencing Observed Tillage Impacts on Herbicide Transport -
Pappas, E.A., Huang, C., Smith, D.R. 2009. Factors Influencing Observed Tillage Impacts on Herbicide Transport [abstract]. European Geophysical Society Meeting. Geophysical Research Abstracts, Vol. 11, EGU2009-1348-2,2009
Tillage and Fertilizer Effects on Soil Methane and Nitrous Oxide Emissions -
Nyakatawa, E., Mays, D., Way, T.R., Watts, D.B., Torbert Iii, H.A., Smith, D.R. 2009. Tillage and Fertilizer Effects on Soil Methane and Nitrous Oxide Emissions. In: Agronomy Abstracts, Southern Branch ASA, Madison, Wisconsin. CDROM.
Greenhouse gas fluxes in an Eastern Corn Belt soil: Weather, nitrogen source and rotation Reprint Icon -
Hernandez-Ramirez, G., Brouder, S.M., Smith, D.R., Van Scoyoc, G., Filley, T.R. 2009. Greenhouse gas fluxes in an Eastern Corn Belt soil: Weather, nitrogen source and rotation. Journal of Environmental Quality. 38:841-854.
Nitrous Oxide Production in an Eastern Corn Belt Soil: Sources and Redox Range -
Hernandez Ramirez, G., Brouder, S.M., Smith, D.R., Van Scoyoc, G.E., Michalski, G. 2009. Nitrous Oxide Production in an Eastern Corn Belt Soil: Sources and Redox Range. Soil Science Society of America Journal. 73:1182-1191.
Estimating Storm Discharge and Water Quality Data Uncertainty: A Software Tool for Monitoring and Modeling Applications -
Harmel, R.D., Smith, D.R., King, K.W., Slade, R.M. 2009. Estimating Storm Discharge and Water Quality Data Uncertainty: A Software Tool for Monitoring and Modeling Applications. Journal of Environmental Modelling and Software. 24(7):832-842.
Greenhouse Gas Fluxes in an Eastern Corn Belt Soil: Weather, N Source and Rotation -
Hernandez Ramirez, G., Brouder, S.M., Smith, D.R., Van Scoyoc, G.E., Filley, T.R. 2009. Greenhouse Gas Fluxes in an Eastern Corn Belt Soil: Weather, Nitrogen Source and Rotation. Journal of Environmental Quality. 38:841-854.
The St. Joseph River Watershed CEAP Project: Highlights of Recent Refocusing of Our Efforts -
Smith, D.R., Heathman, G.C., Pappas, E.A., Livingston, S.J., Stott, D.E., Flanagan, D.C., Huang, C. 2008. The St. Joseph River Watershed CEAP Project: Highlights of Recent Refocusing of Our Efforts. The National Sedimentation Laboratory: 50 years of soil and water research in a changing agricultural environment [abstract]. September 3-5, 2008, Oxford, MS. 2008 CDROM.
Factors Influencing Nutrient Losses in the St. Joseph River Watershed -
Smith, D.R., Heathman, G.C., Livingston, S.J., Larose, M. 2008. Factors Influencing Nutrient Losses in the St. Joseph River Watershed [abstract]. The National Sedimentation Laboratory: 50 Years of Soil and Water Research in a Changing Agricultural Environment. September 3-5, 2008, Oxford, Mississippi. 2008 CDROM.
Effects of Agricultural and Conservation Practices on Nutrients Losses from the St. Joseph River Watershed, Northeast Indiana -
Smith, D.R., Zuercher, B.W., Livingston, S.J., Heathman, G.C., Huang, C. 2008. Effects of Agricultural and Conservation Practices on Nutrients Losses from the St. Joseph River Watershed, Northeast Indiana [abstract]. American Society of Agronomy Annual Meeting Abstracts. October 5-9, 2008, Houston, Texas. 2008 CDROM.
A Chemical Treatment to Reduce P Desorption From Manure Exposed Fluvial Sediments -
Armstrong, S., Smith, D.R., Owens, P.R., Joern, B.C., Huang, C. 2008. A Chemical Treatment to Reduce P Desorption From Manure Exposed Fluvial Sediments [abstract]. 2008 Joint Annual Meeting Soil Science Society of Agronomy to be held in October 5-9, 2008, Houston, Texas. 2008 CDROM.
Environmental Database Design, Development and Application in the Cedar Creek Watershed -
Zuercher, B.W., Livingston, S.J., Bucholtz, D.L., Heathman, G.C., Pappas, E.A., Smith, D.R., Huang, C. 2008. Environmental Database Design, Development and Application in the Cedar Creek Watershed [abstract]. 2008 Joint Annual Meeting Soil Science Society of Agronomy, October 5-9, 2008, Houston, Texas. 2008 CDROM.
Carbon and Nitrogen Dynamics in an Eastern Corn Belt Soil: N Source and Rotation -
Hernandez Ramirez, G., Brouder, S.M., Smith, D.R., Van Scoyoc, G.E., Filley, T.R. 2009. Carbon and Nitrogen Dynamics in an Eastern Corn Belt Soil: N Source and Rotation. Soil Science Society of America Journal. 73(1):128-137.
Nutrient Losses from Row Crop Agriculture in Indiana Reprint Icon -
Smith, D.R., Livingston, S.J., Zuercher, B.W., Larose, M., Heathman, G.C., Huang, C. 2008. Nutrient losses from row crop agriculture in Indiana. Journal of Soil and Water Conservation. 63:396-409.
Developing an Understanding of the Complex Hydrology in the Upper Midwestern United States and Implications on Watershed Management and Planning -
Smith, D.R., Livingston, S.J., Larose, M., Heathman, G.C., Huang, C. 2008. Developing an Understanding of the Complex Hydrology in the Upper Midwestern United States and Implications on Watershed Management and Planning. In: Proceedings of the Role of Hydrology for Water Resources Management. Capri, Italy. pp. 32-33.
Herbicide Losses in the Saint Joseph River Watershed: Impacts of Hydrology and Land Management -
Pappas, E.A., Smith, D.R., Huang, C. 2008. Herbicide Losses in the Saint Joseph River Watershed: Impacts of Hydrology and Land Management [abstract]. 2008 Joint Annual Meeting Soil Science Society of Agronomy, October 5-9, 2008 Houston, Texas. 2008 CDROM.
Factors Influencing Nutrient Losses from Agriculture in the St. Joseph River Watershed, Northeast Indiana -
Smith, D.R., Livingston, S.J., Heathman, G.C., Huang, C. 2008. Factors Influencing Nutrient Losses from Agriculture in the St. Joseph River Watershed, Northeast Indiana [abstract]. In: Abstracts Water Resources Association 2008 Meeting. May 14-16, 2008, Bloomington, Indiana. 2008 CDROM.
Short-term and long-term impacts of dredging on nutrient transport in agricultural ditches of the Lake Erie Basin, USA -
Smith, D.R. 2008. Short-term and long-term impacts of dredging on nutrient transport in agricultural ditches of the Lake Erie Basin, USA. American Society of Limnology and Oceanography, Society of Canadian Limnolgists, North American Benthological Society. June 8-13, 2008, St. John's, Newfoundland, Canada. 2008 CDROM.
Impacts of a Swine Manure Spill on Phosphorus Partitioning in a Fluvial System: Evaluation of an alternative Manure Spill Remediation Method -
Armstrong, S., Smith, D.R., Owens, P.R., Joern, B.C., Huang, C. 2008. Impacts of a Swine Manure Spill on Phosphorus Partitioning in a Fluvial System: Evaluation of an alternative Manure Spill Remediation Method. American Society of Limnology and Oceanography, Society of Canadian Limnolgists, North American Benthological Society. June 8-13, 2008, St. John's, Newfoundland, Canada. 2008 CDROM.
Assessing conservation effects on water quality in the St. Joseph River Watershed -
Flanagan, D.C., Huang, C., Pappas, E.A., Smith, D.R., Heathman, G.C. 2008. Assessing conservation effects on water quality in the St. Joseph River Watershed. In: Proceedings of the AgroEnviron 2008 (Sixth International Symposium AgroEnviron), April 28-May 1, 2008, Antalya, Turkey. p. 12.
Building a Comprehensive Watershed-Scale Project for Assessing Conservation Effects at the St Joseph River Watershed -
Huang, C., Smith, D.R., Pappas, E.A., Heathman, G.C., Flanagan, D.C. 2008. Building a Comprehensive Watershed-Scale Project for Assessing Conservation Effects at the St Joseph River Watershed [abstract]. European Geosciences Union General Assembly Proceedings. Vienna, Austria, April 13-18, 2008. 2008 CDROM.
Influence of ditch management on nutrient and pesticide fate and transport -
Smith, D.R., Pappas, E.A., Huang, C. 2008. Influence of ditch management on nutrient and pesticide fate and transport. In: European Geosciences Union General Assembly Proceedings. April 13-18, 2008, Austria Center, Vienna, Austria. 2008 CDROM.
Potassium fertility and terrain attributes in a Fragiudalf drainage Catena Reprint Icon -
Winzeler, H.E., Owens, P.R., Joern, B.C., Camberato, J.J., Lee, B.D., Anderson, D.E., Smith, D.R. 2008. Potassium fertility and terrain attributes in a Fragiudalf drainage Catena. Soil Science Society of America Journal. 72:1311-1320.
Assessing Conservation Effects on Water Quality in the St. Joseph River Watershed -
Flanagan, D.C., Huang, C., Pappas, E.A., Smith, D.R., Heathman, G.C. 2008. Assessing Conservation Effects on Water Quality in the St. Joseph River Watershed. In: Proceedings of the Agro-Environment Symposium, April 28-May 1, 2008, Antalya, Turkey. 2008 CDROM.
Strategies to reduce nutrient losses from land applied animal manure -
Armstrong, S., Smith, D.R. 2007. Strategies to reduce nutrient losses from land applied animal manure. Water Practice. 1(4). doi:10.2175/193317707X243364.
The Short Term Effects of Ditch Dredging to Nutrient Saturation onto Ditch Bed Materials -
Miller, E., Smith, D.R. 2007. The Short Term Effects of Ditch Dredging to Nutrient Saturation onto Ditch Bed Materials. American Society of Agronomy Annual Meeting Abstracts. November 4-8, 2007, New Orleans, LA. 2007 CDROM.
Land Use Influences on Phosphorus (P) Release and Retention by Stream and Ditch Sediments -
Williams, C., Joern, B., Smith, D.R., Bowling, L., Lembi, C. 2007. Land Use Influences on Phosphorus (P) Release and Retention by Stream and Ditch Sediments. American Society of Agronomy Annual Meeting Abstracts. November 4-8, 2007, New Orleans, LA. 2007 CDROM.
Seasonal Influence on Phosphorus (P) Sorption Capacities in Streams and Ditches in Eagle Creek Watershed -
Williams, C., Joern, B., Smith, D.R., Bowling, L., Lembi, C. 2007. Seasonal Influence on Phosphorus (P) Sorption Capacities in Streams and Ditches in Eagle Creek Watershed. American Society of Agronomy Annual Meeting Abstracts. November 4-8, 2007, New Orleans, LA. 2007 CDROM.
Nitrous Oxide Production in an Eastern Cornbelt Soil: Sources and Redox Range -
Hernandez-Ramirez, G., Brouder, S.M., Smith, D.R., Van Scoyoc, G.E., Filley, T., Michalski, G. 2007. Nitrous Oxide Production in an Eastern Cornbelt Soil: Sources and Redox Range. American Society of Agronomy Annual Meeting Abstracts. November 4-8, 2007, New Orleans, LA. 2007 CDROM.
Determining Critical Phosphorus Levels for Cool Season Seedlings Established on Calcareous Soil -
Nemitz, J., Bigelow, C., Camberato, J., Joern, B., Smith, D.R. 2007. Determining Critical Phosphorus Levels for Cool Season Seedlings Established on Calcareous Soil. American Society of Agronomy Annual Meeting Abstracts. November 4-8, 2007, New Orleans, LA. 2007 CDROM.
Erosion Potential of Various Golf Course Bunker Sands -
Nemitz, J., Bigelow, C., Moeller, A., Hardebeck, G., Walker, K., Smith, D.R. 2007. Erosion Potential of Various Golf Course Bunker Sands. American Society of Agronomy Annual Meeting Abstracts. November 4-8, 2007, New Orleans, LA. 2007 CDROM.
Nutrient Transport in Tile-Fed Drainage Ditches -
Smith, D.R., Armstrong, S. 2007. Nutrient Transport in Tile-Fed Drainage Ditches. American Society of Agronomy Annual Meeting Abstracts. November 4-8, 2007, New Orleans, LA. 2007 CDROM.
The Effect of Time after Ditch Dredging on Phosphorus Transport -
Armstrong, S., Smith, D.R. 2007. The Effect of Time after Ditch Dredging on Phosphorus Transport. American Society of Agronomy Annual Meeting Abstracts. November 4-8, 2007, New Orleans, LA. 2007 CDROM.
Impacts of a Swine Manure Spill on Fluvial Sediments: Evaluation of an alternative Manure Spill Remediation Method -
Armstrong, S., Smith, D.R., Owens, P., Joern, B., Huang, C. 2007. Impacts of a Swine Manure Spill on Fluvial Sediments: Evaluation of an alternative Manure Spill Remediation Method. American Society of Agronomy Annual Meeting Abstracts. November 4-8, 2007, New Orleans, LA. 2007 CDROM.
Variations in Stream Water and Sediment Phosphorus among Select Ozark Catchments Reprint Icon -
Haggard, B.E., Smith, D.R., Brye, K.R. 2007. Variations in Stream Water and Sediment Phosphorus among Select Ozark Catchments. Journal of Environmental Quality. 36:1725-1734.
Effect of Dredging an Agricultural Drainage Ditch on Water Column Herbicide Concentration, as Predicted by Fluvarium Techniques Reprint Icon -
Pappas, E.A., Smith, D.R. 2007. Effect of Dredging an Agricultural Drainage Ditch on Water Column Herbicide Concentration, as Predicted by Fluvarium Techniques. Journal of Soil and Water Conservation. 62(4):262-268.
Phosphorus transport from row crop agriculture in the Midwestern U.S.: Problems with scaling up from small plot to watersheds -
Smith, D.R., Pappas, E.A., Livingston, S.J., Flanagan, D.C., Huang, C. 2007. Phosphorus transport from row crop agriculture in the Midwestern U.S.: Problems with scaling up from small plot to watersheds. In: (G.Heckrath, G.H. Rubaek, and B. Kronvang, Eds.) Diffuse Phosphorus Loss: Risk Assessment, Mitigation Options and Ecological Effects in River Basins. Proceedings of the 5th International Phosphorus Workshop(IPW5). Silkeborg, Denmark. pp. 181-814.
Comparison of field measured soil adsorption field loading rates and loading rates estimated from soil morphological properties Reprint Icon -
Hart, K.S., Lee, B.D., Schoeneberger, P.S., Franzmeier, D.P., Owens, P.R., Smith, D.R. 2008. Comparison of field measured soil adsorption field loading rates and loading rates estimated from soil morphological properties. Journal of Hydrologic Engineering. 13(8):665-670.
IMPERVIOUS SURFACE IMPACTS TO RUNOFF AND SEDIMENT DISCHARGE UNDER LABORATORY RAINFALL SIMULATION -
Pappas, E.A., Smith, D.R., Huang, C., Shuster, W.D., Bonta, J.V. 2007. Impervious surface impacts to runoff and sediment discharge under laboratory rainfall simulation. Catena. 72:146-152.
Effect of dredging on the fate of nutrients in drainage ditches -
Smith, D.R. 2007. Effect of dredging on the fate of nutrients in drainage ditches. Soil and Water Conservation Society 2007 Annual Conference. July 21-25, 2007, Tampa, FL, 2007 CDROM.
Nutrient Losses from Row Crop Agriculture in Indiana -
Smith, D.R., Huang, C. 2007. Nutrient Losses from Row Crop Agriculture in Indiana. Soil and Water Conservation Society 2007 Annual Conference. July 21-25, 2007, Tampa, FL. 2007 CDROM.
Above ground responses of three cool-season lawn species to varying annual nitrogen rates and application timings Reprint Icon -
Walker, K.S., Bigelow, C.A., Smith, D.R., Van Scoyoc, G.E., Reicher, Z.J. 2007. Above ground responses of three cool-season lawn species to varying annual nitrogen rates and application timings. Crop Science. 47:1225-1236.
Effect of ditch dredging on the fate of nutrients in deep drainage ditches of the Midwestern United States Reprint Icon -
Smith, D.R., Pappas, E.A. 2007. Effect of ditch dredging on the fate of nutrients in deep drainage ditches of the Midwestern United States. Journal of Soil and Water Conservation. 62(4):258-261.
Soil carbon dioxide and methane fluxes from long-term tillage systems in continuous corn and corn-soybean rotations -
Omonode, R., Vyn, T., Smith, D.R., Hegymegi, P., Gal, A. 2007. Soil carbon dioxide and methane fluxes from long-term tillage systems in continuous corn and corn-soybean rotations. Soil and Tillage Research. 95:182-195.
Cumulative Ammonia Quantification from Litter with Instantaneous Flux Estimates -
Miles, D.M., Rowe, D.E., Owens, P.R., Moore Jr., P.A., Smith, D.R. 2007. Cumulative ammonia quantification from litter with instantaneous flux estimates [abstract]. International Poultry Scientific Forum. p. 54.
Strategies to Reduce Nutrient Losses from Land Applied Animal Manure -
Smith, D.R. 2007. Strategies to Reduce Nutrient Losses from Land Applied Animal Manure. Water Environment Federation. April 15-18, 2007. Denver, CO. CDROM.
GHG emissions from corn-soybean rotations on a Mollisol -
Stott, D.E., Smith, D.R., Bucholtz, D.L. 2007. GHG emissions from corn-soybean rotations on a mollisol. 4th USDA Greenhouse Gas Symposium, February 5-8, 2007, Baltimore, Maryland. 2007 CDROM.
Effects of Tilling No-Till Soil on Losses of Atrazine and Glyphosate to Runoff Water under Variable Intensity Simulated Rainfall -
Pappas, E.A., Patterson, J., Smith, D.R., Huang, C. 2007. Effects of Tilling No-Till Soil on Losses of Atrazine and Glyphosate to Runoff Water under Variable Intensity Simulated Rainfall. Soil and Tillage Research. 95(1-2):19-26.
How does dredging of drainage ditches affect contaminant transport? -
Smith, D.R., Warnemuende, E.A., Huang, C. 2006. How does dredging of drainage ditches affect contaminant transport?. In: (D. Wichelns, ed.) Proceedings of the Nonpoint Pollution-Methods, Policies, Programs & Management Conference Proceedings. Rivers Institute at Hanover College, Hanover, IN. November 28-30, 2006. pp. 350-358.
Continual Evaluation of Ditch Sediment and Phosphorus Dynamics in tile fed Drainage Ditches in the St. Joseph Watershed -
Armstrong, S., Smith, D.R. 2006. Continual Evaluation of Ditch Sediment and Phosphorus Dynamics in tile fed Drainage Ditches in the St. Joseph Watershed. ASA-CSSA-SSSA Annual Meeting Abstracts. November 12-16, 2006. Indianapolis, IN. CDROM.
Scaling of nutrient transport in surface runoff: From plot to watershed -
Smith, D.R., Warnemuende, E.A., Huang, C., Flanagan, D.C. 2006. Scaling of nutrient transport in surface runoff: From plot to watershed [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. November 12-16, 2006, Indianapolis, IN. 2006 CDROM.
Trace gas emissions from corn-soybean rotations on a Mollisol -
Stott, D.E., Smith, D.R., Bucholtz, D.L. 2006. Trace gas emissions from corn-soybean rotations on a Mollisol. Soil Science Society of America Annual Meeting, November 12-16, 2006, Indianapolis, IN. 2006 CDROM.
Monitoring Surface Drainage and Water Quality from Closed Depressions -
Livingston, S.J., Smith, D.R., Heathman, G.C., Huang, C. 2006. Monitoring Surface Drainage and Water Quality from Closed Depressions [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. November 12-16, 2006, Indianapolis, IN. 2006 CDROM.
Nutrient Losses from Manure and Fertilizer Applications as Impacted by Time to First Runoff Event -
Smith, D.R., Owens, P.R., Leytem, A.B., Pappas, E.A. 2007. Nutrient Losses from Manure and Fertilizer Applications as Impacted by Time to First Runoff Event. Environmental Pollution. 14:131-137.
Are Stream and Ditch P Concentrations Related to Sediment P Status and Land Use? -
Williams, C., Smith, D.R., Joern, B. 2006. Are Stream and Ditch P Concentrations Related to Sediment P Status and Land Use?. ASA-CSSA-SSSA Annual Meeting Abstracts. November 12-16, 2006. Indianapolis, IN. CDROM.
Stream Water and Sediment Phosphorus Equilibrium Concentrations in Ozark Streams -
Haggard, B., Brye, K., Smith, D.R. 2006. Stream Water and Sediment Phosphorus Equilibrium Concentrations in Ozark Streams. ASA-CSSA-SSSA Annual Meeting Abstracts. November 12-16, 2006. Indianapolis, IN. CDROM.
Greenhouse Gas Fluxes in an Eastern Cornbelt Soil: Weather, Nitrogen Source and Rotation -
Ramirez, G.H., Brouder, S.M., Smith, D.R., Vanscoyoy, G.E., Filley, T.R. 2006. Greenhouse Gas Fluxes in an Eastern Cornbelt Soil: Weather, Nitrogen Source and Rotation. ASA-CSSA-SSSA Annual Meeting Abstracts. November 12-16, 2006. Indianapolis, IN. CDROM.
THE INFLUENCE OF MANURE PHYTIC ACID ON PHOSPHORUS SOLUBILITY IN CALCAREOUS SOILS -
Leytem, A.B., Smith, D.R., Applegate, T.J., Thacker, P.A. 2006. The influence of manure phytic acid on phosphorus solubility in calcareous soils. Soil Science Society of America Journal. 70(5):1629-1638.
IMPROVEMENT OF METALS AND PHOSPHORUS ANALYSIS IN WATER SAMPLES BY ICP-OES RF POWER AND NEBULIZER GAS FLOW RATE MODIFICATION -
Decampos, A.B., Rocha, C., Smith, D.R., Huang, C. 2007. Improvement of metals and phosphorus analysis in water samples by ICP-OES RF power and nebulizer gas flow rate modification. Communications in Soil Science and Plant Analysis. 38:1179-1191.
Soil carbon dioxide and methane fluxes from long-term tillage systems in continuous corn and corn-soybean rotations. -
Omonode, R., Gal, A., Smith, D.R., Vyn, T. 2006. Soil carbon dioxide and methane fluxes from long-term tillage systems in continuous corn and corn-soybean rotations. 18th World Congress of Soil Science. July 9-15, 2006. Philadelphia, PA. 2006 CDROM.
Effect of Soil Condition and Amendments Application on Phosphorous Loss -
Mamedov, A., Huang, C., Norton, L.D., Smith, D.R. 2006. Effect of Soil Condition and Amendments Application on Phosphorous Loss. 18th World Congress of Soil Science. July 9-15, 2006. Philadelphia, PA. CDROM.
SEDIMENT PHOSPHORUS DYNAMICS IN TILE-FED DRAINAGE DITCHES -
Smith, D.R., Warnemuende, E.A., Haggard, B.E., Huang, C. 2006. Sediment phosphorus dynamics in tile-fed drainage ditches. In: International Symposium on Sediment Dynamics and the Hydromorphology of Fluvial Systems Proceedings. Sediment Dynamics and the Hydromorphology of Fluvial Systems, July 3-7, 2006, Dundee, UK, IAHS Publ. 306, 2006.
SIMULATED RAINFALL IMPACT ON CARBON DIOXIDE EMISSIONS FROM CORN AND SOYBEAN CROPPING SYSTEMS ON A MOLLISOL -
Kamal, R., Stott, D.E., Smith, D.R., Bucholtz, D.L. 2006. Simulated rainfall impact on carbon dioxide emissions from corn and soybean cropping systems on a mollisol. World Congress of Soil Science. 2006 CDROM.
Anthropogenic Contaminants in the Drinking Water Supply for Fort Wayne, Indiana, USA -
Smith, D.R., Warnemuende, E.A., Gillespie, R., Huang, C. 2006. Anthropogenic Contaminants in the Drinking Water Supply for Fort Wayne, Indiana, USA. Bulletin of the North American Benthological Society Bulletin. 23(1):308-309.
How does the First Year Tilling a Long-Term No-Tillage Field Impact Soluble Nutrient Losses in Runoff? -
Smith, D.R., Pappas, E.A., Huang, C., Heathman, G.C. 2007. How does the First Year Tilling a Long-Term No-Tillage Field Impact Soluble Nutrient Losses in Runoff?. Soil and Tillage Research. 95:11-18.
EFFECT OF SURFACE APPLICATION OF GYPSUM AND DRY PAM ON NUTRIENT LOSS -
Mamedov, A., Huang, C., Norton, L.D., Smith, D.R. 2006. Effect of surface application of gypsum and dry PAM on nutrient loss. International Soil Meeting. May 22-26, 2006, Sanliurfa, Turkey. 2006 CDROM.
DREDGING OF DRAINAGE DITCHES INCREASES SHORT-TERM TRANSPORT OF SOLUBLE PHOSPHORUS -
Smith, D.R., Warnemuende, E.A., Haggard, B.E., Huang, C. 2006. Dredging of drainage ditches increases short-term of soluble phosphorus. Journal of Environmental Quality. 35:611-616.
CHANGES IN SEDIMENT - WATER COLUMN PHOSPHORUS INTERACTIONS FOLLOWING SEDIMENT DISTURBANCE -
Smith, D.R., Warnemuende, E.A., Haggard, B.E., Huang, C. 2006. Changes in sediment - water column phosphorus interactions following sediment disturbance. Ecological Engineering. Vol. 27, Issue 1, 31 August 2006, Pp. 71-78.
IN-VESSEL, MECHANICAL ROTATING DRUM COMPOSTING OF INSTITUTIONAL FEED RESIDUALS -
Smith, D.R., Cawthon, D.L., Sloan, J.J., Freeman, T.M. 2006. In-vessel, mechanical rotating drum composting of institutional feed residuals. Compost Science and Utilization. 14(2):155-161.
LAND MANAGEMENT IMPACTS ON INTERNAL P LOADING IN DITCHES AND STREAMS -
Williams, C., Smith, D.R., Joern, B. 2005. Land management impacts on internal P loading in ditches and streams. In: Proceedings of the ASA-CSSA-SSSA Annual Meeting Abstracts, November 6-10, 2005, Salt Lake City, UT. 2005 CDROM.
TILLAGE AND HERBICIDE IMPACTS TO RUNOFF WATER QUALITY -
Patterson, J., Warnemuende, E.A., Smith, D.R., Huang, C. 2005. Tillage and herbicide impacts to runoff water quality. In: Proceedings of the ASA-CSSA-SSSA Annual Meeting Abstracts, November 6-10, 2005, Salt Lake City, UT. 2005 CDROM.
IMPACT OF PRE-PLANT PHOSPHORUS AND POTASSIUM ON TURF TYPE TALL FESCUE ESTABLISHMENT -
Hardebeck, G., Bigelow, C., Walker, K., Smith, D.R. 2005. Impact of pre-plant phosphorus and potassium on turf type tall fescue establishment. In: Proceedings of the ASA-CSSA-SSSA Annual Meeting Abstracts, November 6-10, 2005, Salt Lake City, UT. 2005 CDROM.
KENTUCKY BLUEGRASS RESPONSE TO THREE AUTUMN APPLIED UREA SOURCES -
Bigelow, C.A., Hardebeck, G., Walker, K., Smith, D.R. 2005. Kentucky bluegrass response to three autumn applied urea sources. In: Proceedings of the ASA-CSSA-SSSA Annual Meeting Abstracts, November 6-10, 2005, Salt Lake City, UT. 2005 CDROM.
EFFECT OF POULTRY LITTER TO WATER RATIOS ON EXTRACTABLE PHOSPHORUS CONTENT AND ITS RELATION WITH RUNOFF PHOSPHORUS CONCENTRATIONS -
Haggard, B.E., Vadas, P.A., Smith, D.R., Delaune, P., Moore Jr., P.A. 2005. Effect of poultry litter to water ratios on extractable phosphorus content and its relation with runoff phosphorus concentrations. Biosystems Engineering. 92(3):409-417.
POTENTIAL IMPACTS OF PHYTASE IN SWINE DIETS ON AIR, WATER AND SOIL QUALITY -
Smith, D.R., Moore Jr, P.A. 2005. Potential impacts of phytase in swine diets on air, water and soil quality. In: Proceedings of the ASA-CSSA-SSSA Annual Meeting Abstracts, November 6-10, 2005, Salt Lake City, UT. 2005 CDROM.
SOIL EXTRACTABLE PHOSPHORUS CHANGES WITH TIME AFTER APPLICATION OF FERTILIZER: 2. MANURE FROM SWINE FED MODIFIED DIETS -
Smith, D.R., Moore Jr, P.A. 2005. Soil extractable phosphorus changes with time after application of fertilizer: 2. manure from swine fed modified diets. Soil Science. 170(8):640-651.
SOIL EXTRACTABLE PHOSPHORUS CHANGES WITH TIME AFTER APPLICATION OF FERTILIZER: 1. LITTER FROM POULTRY FED MODIFIED DIETS -
Smith, D.R., Moore Jr, P.A., Miles, D.M. 2005. Soil extractable phosphorus changes with time after application of fertilizer: 1. litter from poultry fed modified diets. Soil Science. 170(7):530-542.
IMPACTS OF IMPERVIOUS SURFACE ON WATERSHED HYDROLOGY: A REVIEW -
Shuster, W.D., Bonta, J.V., Thurston, H., Warnemuende, E.A., Smith, D.R. 2005. Impacts of impervious surface on watershed hydrology: a review. Urban Water Journal. 2(4):263-275.
NUTRIENT AND B17-ESTRADIOL LOSS IN RUNOFF WATER FROM VARIOUS POULTRY LITTERS. -
Haggard, B.E., Delaune, P.B., Smith, D.R., Moore Jr., P.A. 2005. Nutrient and B17-estradiol loss in runoff water from various poultry litters. Journal of the American Water Resources Association. Paper No. 03178. p. 245-256.
THE FUTURE OF NUTRIENT MANAGEMENT -
Smith, D.R., Joern, B. 2004. The future of nutrient management. Meeting Abstract.
PHOSPHORUS TRANSPORT IN TILE FED DRAINAGE DITCHES -
Smith, D.R. 2004. Phosphorus transport in tile fed drainage ditches. In: ASA-CSSA-SSSA Proceedings. October 31-November 4, 2004. Seattle, Washington. 2004 CDROM.
IMPACT OF TIME TO FIRST RUNOFF EVENT ON NUTRIENT RUNOFF AND GREENHOUSE GAS EMISSIONS FROM MANURE APPLICATIONS -
Smith, D.R., Warnemuende, E.A., Owens, P.R. 2004. Impact of time to first runoff event on nutrient runoff and greenhouse gas emissions from manure applications. In: ASA-CSSA-SSSA Proceedings, October 31-November 4, 2004, Seattle, Washington. 2004 CDROM.
WATERSHED SCALE EVALUATION OF CONSERVATION PRACTICE EFFECTS -
Warnemuende, E.A., Huang, C., Smith, D.R., Flanagan, D.C., Stott, D.E. 2004. Watershed scale evaluation of conservation practice effects. International Soil Conservation Organization Conference Abstracts. July 4-9, 2004, Brisbane, Australia. 2004. CDROM.
TREATING SWINE MANURE WITH ALUMINUM CHLORIDE -
Smith, D.R. 2005. Treating swine manure with aluminum chloride. In: Walker, F., Russell, W., Dagnan, G., Dalton, A., Editors. Phosphorus Best Management Practices: Protecting Water Qualtiy. USDA-NRCS Fact Sheet. Available: http://www.sera17.ext.vt.edu/sera_17_publications.
DIETARY PHYTASE TO REDUCE PHOSPHORUS LOSSES FROM ANIMAL MANURE -
Smith, D.R., Joern, B.C. 2005. Dietary phytase to reduce phosphorus losses from animal manure. In: Walker, F., Russell, W., Dagnan, G., Dalton, A., Editors. Phosphorus Best Management Practices: Protecting Water Qualtiy. USDA-NRCS Fact Sheet. Available: http://www.sera17.ext.vt.edu/sera_17_publications.htm.
INVESTIGATING ENVIRONMENTAL CHANGES IN EXPERIMENTAL AGRICULTURAL WATERSHEDS IN TRANSITION TO SUBURBAN MANAGEMENT -
Warnemuende, E.A., Bonta, J.V., Shuster, W., Smith, D.R., Cabezas, H. 2004. Investigating environmental changes in experimental agricultural watersheds in transition to suburban management. In: ASA-CSSA-SSSA Proceedings, October 31-November 4, 2004, Seattle, WA. 2004 CDROM.
LAND USE CHANGE IMPACTS ON HYDROLOGY AND EROSION AT THE URBAN INTERFACE -
Warnemuende, E.A., Smith, D.R., Bonta, J.V., Huang, C., Shuster, W. 2004. Land use change impacts on hydrology and erosion at the urban interface. In: ASA-CSSA-SSSA Proceedings, October 31-November 4, 2004, Seattle, Washngton. 2004 CDROM.
SEDIMENT PHOSPHORUS DYNAMICS FOR THREE TILE FED DRAINAGE DITCHES IN NORTHEAST INDIANA -
Smith, D.R., Haggard, B.E., Warnemuende, E.A., Huang, C. 2005. Sediment phosphorus dynamics for three tile fed drainage ditches in northeast Indiana. Agricultural Water Management. 71(1):19-32.
DECREASING PHOSPHOROUS RUNOFF LOSSES FROM LAND APPLIED POULTRY LITTER WITH DIETARY MODIFICATIONS AND ALUM ADDITION -
Smith, D.R., Moore Jr, P.A., Miles, D.M., Haggard, B.E., Daniel, T.C. 2004. Decreasing phosphorous runoff losses from land applied poultry litter with dietary modifications and alum addition. Journal of Environmental Quality. 33:2210-2216.
EROSION AND PHOSPHORUS MOBILITY FROM AGRICULTURAL CATCHMENTS -
Cox, J.W., Smith, D.R. 2004. Erosion and phosphorus mobility from agricultural catchments. In: (W.J. Chadron and G.F. Koopmans eds.) 4th International Phosphorus Workshop: Critical evaluation of options for reducing phosphorus loss from agriculture. Wageningen, The Netherlands. August 16-19, 2004. p. 13.
TREATING DITCH SEDIMENTS TO REDUCE DOWNSTREAM PHOSPHORUS DELIVERY -
Smith, D.R., Warnemuende, E.A., Huang, C. 2004. Treating ditch sediments to reduce downstream phosphorus delivery. In: (W.J. Chadron and G.F. Koopmans eds.). 4th International Phosphorus Workshop: Critial evaluation of options for reducing phosphorus loss from agriculture. Wageningen, The Netherlands. August 16-19, 2004. p. 69.
GREENHOUSE GAS EMISSIONS IMMEDIATELY FOLLOWING SIMULATED RAINFALL ON A MOLLISOL -
Kamal, R., Stott, D.E., Smith, D.R., Bucholtz, D.L. 2004. Greenhouse gas emissions immediately following simulated rainfall on a mollisol. Soil Science Society of America Annual Meeting. 2004 CDROM.
GREENHOUSE GAS EMISSIONS FROM VARYING TILLAGE PRACTICES UNDER CORN-SOYBEAN ROTATIONS -
Stott, D.E., Smith, D.R., Bucholtz, D.L. 2004. Greenhouse gas emissions from varying tillage practices under corn-soybean rotations. Soil Science Society of America Annual Meeting. 2004 CDROM.
REDUCING PHOSPHORUS RUNOFF FROM SWINE MANURE WITH DIETARY PHYTASE AND ALUMINUM CHLORIDE. -
Smith, D.R., Moore Jr, P.A., Maxwell, C.V., Haggard, B.E., Daniel, T.C. 2004. Reducing phosphorus runoff from swine manure with dietary phytase and aluminum chloride. Journal of Environmental Quality. 33:1048-1054.
MINERAL COMPOSITION OF POULTRY LITTER RESULTING FROM DIETARY HAP CORN AND PHYTASE ENZYME WITH ALUM LITTER TREATMENT -
Miles, D.M., Rowe, D.E., Moore, P.A., Rice, D.W., Smith, D.R. 2003. Mineral composition of poultry litter resulting from dietary HAP corn and phytase enzyme with alum litter treatment [abstract]. Agronomy Abstracts. CD-ROM.
EFFECTS OF MANURE AMENDMENTS AND DIET TREATMENTS ON SOIL TEST P WITH TIME -
SMITH, D.R., MOORE JR, P.A., MILES, D.M., MAXWELL, C.V. EFFECTS OF MANURE AMENDMENTS AND DIET TREATMENTS ON SOIL TEST P WITH TIME. SOIL SCIENCE SOCIETY OF AMERICA ANNUAL MEETING. 2003.
PHOSPHORUS RUNOFF AND AMMONIA VOLATILIZATION FROM POULTRY AND SWINE FED PHYTASE DIETS -
SMITH, D.R., MOORE JR, P.A., MILES, D.M., MAXWELL, C.V., DELAUNE, P.B., DANIEL, T.C., HAGGARD, B.E. PHOSPHORUS RUNOFF AND AMMONIA VOLATILIZATION FROM POULTRY AND SWINE FED PHYTASE DIETS. SOIL SCIENCE SOCIETY OF AMERICA ANNUAL MEETING. 2003.
NUTRIENT PROFILES IN SOILS FROM LONG-TERM TILLAGE PLOTS -
Smith, D.R., Stott, D.E., Warnemuende, E.A., Norton, L.D. Nutrient profiles in soils from long-term tillage plots. CD-ROM. Denver, CO: American Society of Agronomy Annual Meetings. 2003.
METHODOLOGY FOR DETERMINING EFFECTS OF EXTENT AND GEOMETRY OF IMPERVIOUS SURFACE ON HYDROLOGIC BALANCE -
WARNEMUENDE, E.A., SHUSTER, W., SMITH, D.R., BONTA, J.V. METHODOLOGY FOR DETERMINING EFFECTS OF EXTENT AND GEOMETRY OF IMPERVIOUS SURFACE ON HYDROLOGIC BALANCE. FIRST INTERAGENCY CONFERENCE ON RESEARCH IN THE WATERSHEDS. 2003. p. 89-94.
QUANTIFICATION OF URBANIZATION IN EXPERIMENTAL WATERSHEDS -
Bonta, J.V., Shuster, W., Warnemuende, E.A., Thurston, H., Smith, D.R., Goss, M., Cabezas, H. Quantification of urbanization in experimental watersheds. Proceedings of The First Interagency Conference on Research in the Watersheds. Benson, AZ. Oct. 27-30, 2003. p. 355-363.
IMPACT OF ALUMINUM CHLORIDE AND DIETARY PHYTASE ON RELATIVE AMMONIA LOSSES FROM SWINE MANURE -
Smith, D.R., Moore Jr, P.A., Haggard, B.E., Maxwell, C.V., Daniel, T.C., Vandevander, K., Davis, M.E. 2004. Impact of aluminum chloride and dietary phytase on relative ammonia losses from swine manure. Journal of Animal Science. 82:605-611.
RAINFALL SIMULATION METHODS TO INVESTIGATE HYDROLOGIC IMPERVIOUS SURFACE EFFECTS -
Warnemuende, E.A., Shuster, W., Bonta, J.V., Smith, D.R. 2003. Rainfall simulation methods to investigate hydrologic impervious surface effects. In: ASAE Annual International Meeting Proceedings. July 27-30, 2003, Las Vegas, Nevada. 2003 CDROM.
TOTAL AND WATER-SOLUBLE PHOSPHORUS IN BROILER LITTER OVER THREE FLOCKS WITH LITTER TREATMENT AND DIETARY INCLUSION OF HIGH AVAILABLE PHOSPHORUS CORN AND PHYTASE SPPLEMENTATION -
Miles, D.M., Moore, P.A., Smith, D.R., Rice, D.W., Stillborn, H.L., Rowe, D.E., Lott, B.D., Branton, S.L., Simmons, J.D. 2003. Total and water-soluble phosphorus in broiler litter over three flocks with litter treatment and dietary inclusion of high available phosphorus corn and phytase supplementation. Poultry Science. 82:1544-1549.
NUTRIENT AND B17-ESTRADIOL LOSS IN RUNOFF WATER FROM VARIOUS POULTRY LITTERS. -
Haggard, B.E., Moore Jr, P.A., Delaune, P.B., Smith, D.R. 2003. Nutrient and b17-estradiol loss in runoff water from various poultry litters. American Water Resources Association Conference Proceedings. CD-ROM, TPS-03-01. Kansas City, MO.
SURFACE WATER QUALITY PROTECTION FOR CONCENTRATED ANIMAL FEEDING OPERATIONS -
Smith, D.R., Moore Jr, P.A. 2003. Surface water quality protection for concentrated animal feeding operations. Encyclopedia of Water Science. Marcel Dekker, Inc., New York. pp 965-968.
IMPACTS OF URBANIZATION ON WATERSHED HYDROLOGIC FUNCTION -
Bonta, J.V., Shuster, W.D., Warnemuende, E.A., Thurston, H., Smith, D.R., Goss, M., Cabezas, H. 2003. Impacts of urbanization on watershed hydrologic function [abstract]. First Interagency Conference on Research in the Watersheds, Oct. 28-30, 2003, Benson, AZ.
ARS News Articles
Last Modified: 5/2/2016
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