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School of Environment and Natural Resources

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SENR Seminar Series - Attempting to solve the soil – water – phosphorus puzzle

The School of Environment and Natural Resources (SENR) Seminar Series welcomes Jim Ippolito, professor, Rattan Lal Endowed Professor of Soil Health and Soil Fertility who will present "Attempting to solve the soil – water – phosphorus puzzle" at 4:00 p.m. in room 103 Kottman Hall or via Zoom


The transport of excess nutrients is one of the leading causes of waterway impairment in the U.S.  In particular, soluble reactive P (SRP) transport in aquatic systems is of interest because P is commonly regarded as the limiting nutrient governing primary production in freshwater systems. This seminar will attempt to piece together the puzzle of SRP transport in freshwater systems, the intimate connections to soil chemical reactions that influence P dynamics, and means by which we can attempt to solve the puzzle using unique approaches for reducing SRP in freshwater systems.  Case studies from my time as a USDA-Agricultural Research Service scientist will be presented.

About the presenter
Dr. Jim Ippolito is a professor of environmental soil health. His 30+ year career has focused on improving environmental soil fertility/chemistry/microbiology/soil health within agricultural, shortgrass steppe, grazed, burned, and metal-contaminated mined-land ecosystems.  His research program connects the intimate linkages between soil macro- and micro-nutrients, trace and heavy metals, microbiological activity, and soil physical attributes, and how these factors combine to influence ecosystem sustainability, resiliency, food, climate and environmental security.