RECENT FUNDING OF THE
ENVIRONMENTAL SOIL MANAGEMENT RESEARCH GROUP

RECENTLY COMPLETED PROJECTS:

Sims, J.T., and A.A. Collins. 2006-2009. Demonstrating sustainable integration of value-added manure products into 21st-century farming.
Source of Support: USDA Natural Resources Conservation Service
Research Associate: Dr. Alyssa Collins

Sims, J.T., and J.K. Gilbert. 2005-2007. Modifying vegetated buffer strips to increase nutrient removal efficiency.
Source of Support: Center for the Inland Bays
Graduate Student: Jennifer Gilbert (Ph.D.)

Sparks, D.L., and J.T. Sims. 2004-2006. Fate and transport of arsenic in Delaware soils: Assessing potential impacts on water quality.
Source of Support: Delaware Department of Natural Resources and Environmental Control
Graduate Student: Sheila Gardner (M.S.)

Sims, J.T. 2004-2006. Development and verification of the Phosphorus Source Coefficient (PSC) for the Phosphorus Site Index.
Source of Support: Washington Area Sewer Authority
Graduate Student: Amy Shober (Ph.D.)

Toor, G.S., R.O. Maguire, and J.T. Sims. 2003-2005. Characterizing and managing the risk of phosphorus leaching in manure-amended soils of the Inland Bays watershed.
Source of Support: Center for the Inland Bays
Post-Doctoral Research Associate: Dr. Gurpal Toor

Sims, J.T., and D.Osmond. 2003-2005. Validation of a phosphorus loss assessment tool for Delaware's Total Maximum Daily Load program.
Source of Support: Delaware Department of Natural Resources and Environmental Control
Graduate Student: Amy Shober (Ph.D.)

Sims, J.T., and D.L. Sparks. 2002-2007. National Needs Graduate Fellowships.
Source of Support: USDA
Graduate Student: Jennifer Gilbert (Ph.D.)

Sims, J.T., and D.L. Sparks. 2002-2010. Institute of Soil and Environmental Quality.
Source of Support: USDA
Graduate Student: Amy Shober (Ph.D.), Jennifer Gilbert (Ph.D.)

Sims, J.T. 2001-2006. Development and dissemination of optimal phosphorus management technologies on dairy farms.
Source of Support: University of Pennsylvania (subcontract of USDA-IFAFS)
Post-Doctoral Research Associate: Dr. Gurpal Singh Toor

Sims, J.T. 2000-2005. A holistic evaluation of phosphorus management practices for animal agriculture.
Source of Support: USDA-IFAFS
Post-Doctoral Research Associate: Dr. Rory Maguire
Graduate Student: Joshua McGrath (Ph.D.)

RECENTLY COMPLETED PROJECTS:

Sims, J.T., R.H. Foy, and H. Tunney. 1998-2003. Minimizing agricultural phosphorus impacts on surface water quality in Northern Ireland: Improved soil testing methods for water quality protection.
Source of Support: USDA Foreign Agricultural Service Scientific Cooperation Program

Sims, J.T., F.J. Coale, and G.K. Evanylo. 2000-2002. Field and on-farm evaluation of the environmental impact of phosphorus in soils amended with biosolids.
Source of Support: Environmental Protection and Improvement Company
Research Associate: Dr. Momoh-Fonigay Lavahun

Sims, J.T. 2001-2002. Quantifying reductions in agricultural inputs of nitrogen and phosphorus to the Inland Bays from implementation of best management practices.
Source of Support: Center for the Inland Bays
Post-Doctoral Research Associate: Dr. April Leytem
Research Associates: Jennifer Campagnini, Robert Eaton

Sims, J.T. 2000-2002. Economic and environmental evaluation of the impact of phosphorus-based nutrient management plans for agricultural and non-agricultural land uses in the Inland Bays.
Source of Support: Center for the Inland Bays
Research Associates: Marsha Stephenson, Jennifer Campagnini

Sims, J.T., G.D. Binford, and D.J. Hansen. 1999-2002. Nutrient management education and on-farm demonstration program.
Source of Support: Delaware Department of Agriculture
Research Associate: Nicole (Luka) McCafferty

Sims, J.T., J.M. Glancey, and F.J. Coale. 1999-2002. Development and evaluation of a reliable phosphorus site index for Delaware.
Source of Support: Delaware Department of Natural Resources and Environmental Control
Post-Doctoral Research Associate: Dr. April Leytem

Sims, J.T., S.K. Dentel, F.J. Coale, and G.K. Evanylo. 1998-2002. Field and on-farm evaluation of the environmental impact of phosphorus in soils amended with biosolids.
Source of Support: Metropolitan Washington Council of Governments
Post-Doctoral Research Associate: Dr. Rory Maguire
Research Associates: Dr. Momoh-Fonigay Lavahun, Douglas Ware

Sims, J.T., F.J. Coale, and G.W. Malone. 1998-2002. Chemical amendment of poultry litter: Stabilizing phosphorus for water quality protection and enhancing the profitability of poultry production.
Sources of Support: General Chemical Company and Delaware Department of Natural Resources and Environmental Control
Research Associates: Nicole (Luka) McCafferty, Maria Pautler, Douglas Ware
Undergraduate Student: Scott Lynch

Sims, J.T. 2000-2001. Edge-of-field soil amendments for reducing agricultural phosphorus losses in surface and subsurface runoff.
Source of Support: DuPont Company
Graduate Student: Robert Eaton (M.S.)

Sims, J.T., F.J. Coale, and A.N. Sharpley. 1999-2001. Phosphorus loss in agricultural drainage on the Delmarva Peninsula: A national benchmark soil phosphorus project.
Source of Support: Environmental Protection Agency
Post-Doctoral Research Associate: Dr. Rory Maguire
Undergraduate Student: Laura Boyer

Sims, J.T. 1999-2001. Evaluation of cropping system effects on water quality: Assessing nutrient movement from soil to water at Chesapeake Farms.
Source of Support: DuPont Company
Graduate Student: Joshua McGrath (M.S.)

Sims, J.T. 1998-2001. Effect of biosolids treatment process on phosphorus loss in runoff from agricultural soils amended with biosolids.
Source of Support: University of Delaware Agricultural Experiment Station
Graduate Student: Chad Penn (M.S.)

Sims, J.T., D.L. Sparks, and A.S. Andres. 1996-2001. Geochemistry, geostatistics, and hydrology of phosphorus losses in agricultural drainage: Developing improved phosphorus management practices for surface water protection.
Sources of Support: U.S. Geological Survey and Delaware Water Resources Center
Graduate Student: Peter Vadas (Ph.D.)