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PhD Research Opportunity: Phosphorus Environmental Biogeochemistry in Agricultural Watersheds, UW Madison

The UW Madison Department of Soil Science and Department of Environmental Engineering has four years of funding for a PhD student interested in developing expertise in advanced chemical analytical methods, nutrient management in waterbodies and applying project results to real life wastewater management and nutrient trading scenarios. Partnering with existing research field trials, we will identify P compounds (speciation) and determine their bioavailability in field runoff using a variety traditional wet chemistry and advanced spectroscopic methods infrequently applied to agricultural systems (including synchrotron-based x-ray spectroscopic techniques and reverse phase ion-pair chromatography). We will then construct and test a model for particulate P bioavailability. This vital information will immediately inform Wisconsin and USDA nutrient management models. This work is important in the development of sustainable agricultural systems while protecting water supplies. It also has direct applicability to nutrient trading schemes involving utilities, municipal water systems, watershed protection agencies and farm management. The RA includes tuition waiver, health insurance and monthly stipend. The student will receive a joint PhD from the UW Madison Soil Science and Environmental Engineering departments and be jointly advised by Dr. Francisco Arriaga and Dr. Matthew Ginder-Vogel. For more information contact Geoff Siemering, Department of Soil Science,