Research Leader
ray.bryant@ars.usda.gov
Phone: (814) 863-0923
Fax: (814) 863-0935
CURTIN ROAD, BUILDING 3702
UNIVERSITY PARK, PA, 16802-3702

Project List

	Management and Economics of Integrated Forage and Animal Production Systems
	Biodiversity Management in Northeastern Grazing Lands
	Assess the Potential of Acid Mine Drainage (Amd) Treatment Residuals to Reduce Phosphorus (P) Loss from Soils and Manure
	Pasture Research and Technology Transfer for Northeast Livestock Producers
	Optimizing Nutrient Management to Sustain Agricultural Ecosystems and Protect Water Quality

Publications

	Scaling Up: Using the P Index to Assess Risks to Regional Water Quality- (05-Jan-04)
	Digital Landscape Analysis for Determining Nutrient Loss Potential at Regional Scales- (30-Jan-03)
	Incorporating Anthropogenic Processes in Soil Classification- (08-Oct-02)
	Watershed-Scale Terrain Analysis for Determining Nutrient Loss Potential- (15-Apr-02)
	Gis-Based Spatial Indices for Identification of Potential Nutrient Export at Watershed Scale- (20-Oct-02)
	Optimization of Manure Storage Management: An Environmental and Economic Approach- (13-May-02)
	A Statewide Assessment of the Impacts of P-Index Implementation in Pennsylvania- (20-Jan-04)
	Assessment and Monitoring of Grazing Lands in the Northeastern United States- (07-Dec-03)
	Assessment and Monitoring of Grazing Lands in the Northeast United States- (08-Nov-03)
	A Statewide Assessment of the Impacts of P-Index Implementation in Pennsylvania- (02-Nov-03)
	Map Scale Effects on Soil Organic Carbon Estimation in the Tughill Plateau- (01-Apr-03)
	National Phosphorus Runoff Project: New York- (01-Sep-02)
	Watershed Management for Improved Water Quality-the ARS Mahantango Creek Watershed- (12-Feb-02)
	Soil Nutrient Levels on Grazing Farms in the Northeast Usa- (01-Jul-04)
	Modeling Phosphorus Movement from Agriculture to Surface Waters- (20-Oct-02)
	Modeling Phosphorus Transport in Agricultural Watersheds; Processes and Possibilities- (03-Oct-02)
	Information Technology Applications in the ARS Watershed Network- (01-Oct-03)
	Data for Natural Resource Models: Role of Data/information Systems.- (01-Oct-03)