Basic Project Information

Basic Project Information
Title	Geochemistry, Geostatistics, and Hydrology of Phosphorus Losses in Agricultural Drainage; Developing Improved Phosphorus Management Practices for Surface Water Protection
Project Number	03-7-21-2170-01
Start Date	9/96
End Date	8/99
Research Category	Water Quality
Focus Category	GROUNDWATER WATER QUALITY
Lead Institute	DE Water Resources Center
Other Affiliations	N/A

Principal Investigators

Principal Investigators
Name	Rank During Project Period	Affiliation
James Thomas Sims	Professor	University of Delaware, Department of Plant and Soil Sciences

Publications

• Articles in Refereed Scientific Journals , Vadas, P. A. and J. T. Sims , 1998 , Redox Status, Poultry Litter, and Phosphorus Solubility in Atlantic Coastal Plain Soils , Soil Science Society of America , Vol. 62 , N/A , 1025-1034. .
• Articles in Refereed Scientific Journals , Vadas, P. A. and J. T. Sims , 1999 , Phosphorus Sorption in Manured Atlantic Coastal Plain Soils under Flooded and Drained Conditions , Journal of Environmental Quality , In Press , N/A , N/A .
• Other Publications , Sims, J. T. and P. A. Vadas , 1997 , Nutrient Management Strategies for the Profitable, Environmentally Sound Use of Phosphorus , Fact Sheet ST-08 , College of Agricultural Sciences and Cooperative Extension. University of Delaware , Newark, DE , N/A .
• Other Publications , Sims, J. T. and P. A. Vadas , 1997 , Soil Test Phosphorus Status and Trends in Delaware , Fact Sheet ST-09 , College of Agricultural Sciences and Cooperative Extension, University of Delaware , Newark, DE. , N/A .
• Other Publications , Sims, J. T. and P. A. Vadas , 1997 , Use of Phytase and Low-phytate Corn to Increase Phosphorus Availability in Poultry Feed , Fact Sheet ST-10 , College of Agricultural Sciences and Cooperative Extension. University of Delaware , Newark, DE , N/A .
• Other Publications , Sims, J. T. and P. A. Vadas , 1997 , Nutrient Management Planning for Poultry-grain Agriculture , Fact Sheet ST-11 , College of Agricultural Sciences and Cooperative Extension, University of Delaware , Newark, DE. , N/A .
• Other Publications , Sims, J. T. and P. A. Vadas , 1997 , Value Added Products from Poultry Wastes: Alternatives to Land Application , Fact Sheet ST-12. , College of Agricultural Sciences and Cooperative Extension, University of Delaware , Newark, DE. , N/A .
• Articles in Conference Proceedings , Vadas, P. A. and J. T. Sims , 6/16-19/98 , Modeling Agricultural Phosphorus Export from a Coastal Plain Watershed in the United States , Proceedings of the International Conference on Practical and Innovative Measures for the Control of Agricultural Phosphorus Losses to Water , Foy, R.H. and R. Dils (eds.) , Belfast, Northern Ireland-UK. , p. 194 .
• Articles in Conference Proceedings , Vadas, P. A. and J. T. Sims , 1997 , Amending Atlantic Coastal Plain Soils to Reduce Agricultural Phosphorus Losses , Abstracts of the Annual Meeting of the Northeastern Branch of the American Society of Agronomy , N/A , College Park, MD. , p. 9 .
• Articles in Conference Proceedings , Vadas, P.A., and J.T. Sims , 10/18-22/98 , Modeling Phosphorus Export from an Atlantic Coastal Plain Watershed Dominated by Intensive Animal Agriculture , Agronomy Abstracts, American Society of Agronomy Annual Meeting , N/A , Baltimore, MD. , p. 337 .

Funding

Funding Sources
Funding Date	Fund Type	Source	Amount
9/1/96	Section 104	NIWR + match	$226,767

Students Supported

Student Support
Student Level	Number of Students	Number of Dissertations/Thesis
Undergraduate	2	N/A
Masters	2	N/A
Ph.D.	N/A	N/A
Post Ph.D.	N/A	N/A

Awards & Achievements

Termination

Termination
If this project was initiated prior to fiscal year 1996, was it terminated because of the change to a regional competitive grant program?	No