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United States Department of Agriculture, Agricultural Research Service (USDA-ARS), Institute for Environmentally Integrated Dairy Management

1 ARTICLES PUBLISHED IN JoVE

Environment

Measuring Phosphorus Release in Laboratory Microcosms for Water Quality Assessment

Eric O. Young¹, Donald S. Ross², Jessica Sherman¹

¹United States Department of Agriculture, Agricultural Research Service (USDA-ARS), Institute for Environmentally Integrated Dairy Management, ²Department of Plant and Soil Science, University of Vermont

Accurate quantification of phosphorus (P) desorption potential in saturated soils and sediments is important for P modeling and transport mitigation efforts. To better account for in situ soil-water redox dynamics and P mobilization under prolonged saturation, a simple approach was developed based on repeated sampling of laboratory microcosms.