Andrew N. Sharpley
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Also affiliated: Oklahoma State University (1983–1989); Pennsylvania State University (2006–2012); Agricultural Research Service (1983–2019); United States Department of Agriculture (1986–2019); North Carolina State University (2012); Iowa State University (2019); Kansas State University (2019); Agricultural Development Advisory Service (United Kingdom) (1994); Heidelberg University (2012); University of Arkansas System (2007–2022); AgResearch (2002); Center for Agricultural Resources Research (2018); Dale Bumpers Small Farms Research Center (1999); National Sedimentation Laboratory (2013); Massey University (1976–1981); The Ohio State University (2018); Heidelberg University (2012); University of Sheffield (2000); Colorado State University (2012); University of Bologna (1994)
Research Areas
Biomedical Subjects
Links
Biography and Research Information
OverviewAI-generated summary
Andrew N. Sharpley's research focuses on agricultural practices and their impact on water quality, particularly concerning phosphorus and nitrogen pollution. His work investigates the sources and movement of these nutrients from agricultural systems into surface waters, aiming to understand and mitigate nonpoint pollution. This includes studying the role of soil phosphorus, manure management, and rainfall in nutrient runoff.
Sharpley has a substantial publication record, with over 440 publications and a highly cited status indicated by his h-index of 112 and over 46,000 citations. His research has explored the legacy effects of past agricultural management on water quality and developed models, such as EPIC (Erosion/Productivity Impact Calculator), to assess agricultural impacts. He has collaborated with other researchers at the University of Arkansas at Fayetteville, including Mike Daniels, James Burke, Lawrence G. Berry, and Kristofor R. Brye.
His scholarship has addressed issues of eutrophication and the management of agricultural phosphorus to protect surface water resources. Publications span several decades, demonstrating a long-term commitment to understanding and addressing environmental challenges in agriculture. Sharpley maintains an active lab website and has been recently active in research, with his most recent publication in 2025.
Metrics
- h-index: 112
- Publications: 438
- Citations: 46,041
Selected Publications
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Winter hay‐feeding effects on soil properties in a rotationally grazed pasture system in the Ozark Highlands (2025)
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An Evaluation of Manure Management Strategies, Phosphorus Surface Runoff Potential and Water Usage at an Arkansas Discovery Dairy Farm (2023)
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Potassium losses in runoff from cotton production fields (2023)
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Addressing conservation practice limitations and trade‐offs for reducing phosphorus loss from agricultural fields (2022)
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Water quality adjacent to swine slurry holding ponds associated with a concentrated animal feeding operation (2022)
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Estimating dissolved phosphorus losses from legacy sources in pastures: The limits of soil tests and small‐scale rainfall simulators (2021)
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Understanding and managing the re-eutrophication of Lake Erie: Knowledge gaps and research priorities (2019)
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Multi-stakeholders’ preference for best management practices based on environmental awareness (2019)
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Coupling High-Frequency Stream Metabolism and Nutrient Monitoring to Explore Biogeochemical Controls on Downstream Nitrate Delivery (2018)
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Celebrating the 350th Anniversary of Phosphorus Discovery: A Conundrum of Deficiency and Excess (2018)
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Changes in Environmental Awareness and Its Connection to Local Environmental Management in Water Conservation Zones: The Case of Beijing, China (2018)
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A review of regulations and guidelines related to winter manure application (2018)
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Long-term accumulation and transport of anthropogenic phosphorus in three river basins (2016)
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Engineering solutions for food-energy-water systems: it is more than engineering (2016)
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Conservation practice effectiveness and adoption: unintended consequences and implications for sustainable phosphorus management (2015)
Collaboration Network
Top Collaborators
- Phosphorus Legacy: Overcoming the Effects of Past Management Practices to Mitigate Future Water Quality Impairment
- Managing agricultural phosphorus for water quality protection: principles for progress
- Water Quality Remediation Faces Unprecedented Challenges from “Legacy Phosphorus”
- Soil controls of phosphorus in runoff: Management barriers and opportunities
- Implementing agricultural phosphorus science and management to combat eutrophication
Showing 5 of 12 shared publications
- Phosphorus Legacy: Overcoming the Effects of Past Management Practices to Mitigate Future Water Quality Impairment
- Long-term accumulation and transport of anthropogenic phosphorus in three river basins
- Water Quality Remediation Faces Unprecedented Challenges from “Legacy Phosphorus”
- Future agriculture with minimized phosphorus losses to waters: Research needs and direction
- Sustainable Phosphorus Management and the Need for a Long-Term Perspective: The Legacy Hypothesis
Showing 5 of 9 shared publications
- Managing agricultural phosphorus for water quality protection: principles for progress
- Integrating legacy soil phosphorus into sustainable nutrient management strategies for future food, bioenergy and water security
- Soil controls of phosphorus in runoff: Management barriers and opportunities
- A review of the policies and implementation of practices to decrease water quality impairment by phosphorus in New Zealand, the UK, and the US
- A review of regulations and guidelines related to winter manure application
Showing 5 of 6 shared publications
- Managing agricultural phosphorus for water quality protection: principles for progress
- The Pivotal Role of Phosphorus in a Resilient Water-Energy-Food Security Nexus
- Celebrating the 350th Anniversary of Phosphorus Discovery: A Conundrum of Deficiency and Excess
- A review of regulations and guidelines related to winter manure application
- Addressing conservation practice limitations and trade‐offs for reducing phosphorus loss from agricultural fields
- Managing agricultural phosphorus for water quality protection: principles for progress
- Future agriculture with minimized phosphorus losses to waters: Research needs and direction
- Implementing agricultural phosphorus science and management to combat eutrophication
- Phosphorus leaching from loamy sand and clay loam topsoils after application of pig slurry
- Phosphorus Legacy: Overcoming the Effects of Past Management Practices to Mitigate Future Water Quality Impairment
- Managing agricultural phosphorus for water quality protection: principles for progress
- Water Quality Remediation Faces Unprecedented Challenges from “Legacy Phosphorus”
- Soil controls of phosphorus in runoff: Management barriers and opportunities
- Potassium losses in runoff from cotton production fields
- Water quality adjacent to swine slurry holding ponds associated with a concentrated animal feeding operation
- Winter hay‐feeding effects on soil properties in a rotationally grazed pasture system in the Ozark Highlands
- An Evaluation of Manure Management Strategies, Phosphorus Surface Runoff Potential and Water Usage at an Arkansas Discovery Dairy Farm
- Potassium losses in runoff from cotton production fields
- Water quality adjacent to swine slurry holding ponds associated with a concentrated animal feeding operation
- Winter hay‐feeding effects on soil properties in a rotationally grazed pasture system in the Ozark Highlands
- An Evaluation of Manure Management Strategies, Phosphorus Surface Runoff Potential and Water Usage at an Arkansas Discovery Dairy Farm
- Improving conservation practices programming to protect water quality in agricultural watersheds: Lessons learned from the National Institute of Food and Agriculture–Conservation Effects Assessment Project
- Phosphorus Indices: Why We Need to Take Stock of How We Are Doing
- Addressing conservation practice limitations and trade‐offs for reducing phosphorus loss from agricultural fields
- Long-term accumulation and transport of anthropogenic phosphorus in three river basins
- Integrating legacy soil phosphorus into sustainable nutrient management strategies for future food, bioenergy and water security
- Sustainable Phosphorus Management and the Need for a Long-Term Perspective: The Legacy Hypothesis
- Future agriculture with minimized phosphorus losses to waters: Research needs and direction
- A review of regulations and guidelines related to winter manure application
- Phosphorus leaching from loamy sand and clay loam topsoils after application of pig slurry
- Coupling High-Frequency Stream Metabolism and Nutrient Monitoring to Explore Biogeochemical Controls on Downstream Nitrate Delivery
- Potassium losses in runoff from cotton production fields
- An Evaluation of Manure Management Strategies, Phosphorus Surface Runoff Potential and Water Usage at an Arkansas Discovery Dairy Farm
- The New Gold Rush: Fueling Ethanol Production while Protecting Water Quality
- Hypoxia in the Northern Gulf of Mexico
- The New Gold Rush: Fueling Ethanol Production while Protecting Water Quality
- Hypoxia in the Northern Gulf of Mexico
- The New Gold Rush: Fueling Ethanol Production while Protecting Water Quality
- Hypoxia in the Northern Gulf of Mexico
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