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Managing a Legacy of Phosphorus

May 20 @ 12:00 pm - 1:00 pm

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We can’t control how phosphorus was applied as fertilizer in the past, but that doesn’t mean phosphorus applied in the past doesn’t need to be managed today. In watersheds across the globe, phosphorus levels from past applications–so called “legacy phosphorus”–has overwhelmed the capacity of the soil to store it. As a result, these soils can bleed phosphorus and pollute nearby waterbodies.

In this webinar, we’ll describe the global magnitude of this problem, the soil chemistry of legacy phosphorus, and the techniques at our disposal for dealing with legacy phosphorus losses to water. Our panelists include Dr. Dean Hesterberg, retired from North Carolina State University, Dr. Isis Scott of the University of Maryland, and Dr. Jean-Olivier Goyette of the University of Montreal. We’ll have plenty of time for questions and answers from the audience.

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May 20

12:00 pm - 1:00 pm