Publications
General Publications
Balancing agriculture and environment: Andrew Sharpley’s nutrient, soil, and water management legacy
Agricultural Phosphorus and Eutrophication – Second Edition
Best Management Practices to Minimize Agricultural Phosphorus Impacts on Water Quality
Phosphorus and Soil Health Management Practices
The Pivotal Role of Phosphorus in a Resilient Water–Energy–Food Security Nexus
The State of the Science of Phosphorus – Symposium Proceedings, Wye Mills, MD, 2015
Methods of Sampling and Analysis for Phosphorus in Soils, Sediments and Manures
Methods of Phosphorus Analysis – First Edition, 2000
Methods of Phosphorus Analysis – Second Edition, 2009
Recommended Methods of Manure Analysis – 2003
Manure Nutrients and Their Behavior in Soil – 2009
Phosphorus Conservation Practices – Fact Sheets 
Barnyard/Feedlot Runoff Management
Blind Inlets to Reduce Sediment Loading from Farmed Depressional Areas
Conservation Practices for Reducing Snowmelt Runoff Phosphorus
Dietary Phosphorus Levels for Dairy Cows
Drainage Water Management (Controlled Drainage)
Lake and Pond Treatment for Phosphorus Inactivation
Phosphorus Loss with Surface Irrigation
Phosphorus Sources, Application Rate, Timing, and Methods
Physical Manure Treatment (Solids Separation)
Phytase to Reduce Phosphorus Losses from Manure
Reducing Phosphorus Runoff from Urban Landscapes
Septic Drain Field Design and Maintenance
Streambank and Shoreline Protection
Treating Biosolids with Water Treatment Residuals to Reduce Phosphorus Runoff
Treating Liquid Swine and Dairy Manure with Aluminum Chloride
Treating Poultry Litter with Aluminum Sulfate (Alum)
Phosphorus Indexing
Natural Resources Conservation Service Conservation Practice Standard
Revision of the 590 Nutrient Management Standards – Recommendations
Revision of the 590 Nutrient Management Standards – Supporting Documentation
Technical Guidance for Assessing Phosphorus Indices
National Phosphorus Research Projects
Protocol: National Research Project for Simulated Rainfall – Surface Runoff Studies
National Phosphorus Project: Interfacing Agricultural and Environmental Phosphorus Management in the US
Andrew Sharpley, Peter Kleinman and Bob Wright, USDA-ARS
Tommy Daniel, University of Arkansas
Brad Joern, Purdue University
Roberta Parry, US EPA
Terry Sobecki, USDA-NRCS
Iowa, 2006 – Relationship Between Soil and Runoff Phosphorus for Three Typical Iowa Soils
Antonio P. Mallarino, Brett L. Allen and Mazhar U. Haq, Iowa State University
Manitoba, 2006 – Phosphorus Risk Indicators: Correlation with Water Quality in Manitoba
Esther Salvano and Don Flaten, University of Manitoba
New Hampshire, 2001 – National Phosphorus Runoff Project: New Hampshire
Tom Buob and Elizabeth Rochette, University of New Hampshire
Peter Kleinman and Andrew Sharpley, USDA-ARS
New York, 2001 – National Phosphorus Runoff Project: New York
Peter Kleinman and Andrew Sharpley, USDA-ARS
Ray Bryant, Karl Czymmek and Quirine Ketterings, Cornell University
Pennsylvania, 2001 – Soil Phosphorus and Overland Flow Phosphorus Relationships
Andrew Sharpley, Peter Kleinman and Jennifer Weld, USDA-ARS
Richard McDowell, AgResearch Ltd
Pennsylvania, 2001 – Rainfall Simulator and Plot Scale Compression
Andrew Sharpley and Peter Kleinman, USDA-ARS
Puerto Rico, 2005 – National Phosphorus Runoff Project: Puerto Rico
David Sotomayor-Ramírez, University of Puerto Rico
Virginia, 2001 – National Phosphorus Runoff Project: Virginia
Greg Mullins, Virginia Tech
Position Papers
Introduction to Position Papers
Position Papers on Key Scientific Issues (compilation of 1-5 below) – 2005
1. Phosphorus Indices to Predict Risk for Phosphorus Runoff
2. Predicting Phosphorus Losses
3. Soil Phosphorus Threshold Levels
4. Phosphorus Determination in Waters and Extracts of Soils and By-Products: ICP vs Color Methodology
6. Phosphorus Management Within Multi-State Watersheds