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Published on Apr 7, 2016
Phosphorus associated with eroded sediment can be reduced by reducing soil disturbance such as tillage as well as maintaining field cover either as crop residue or a growing crop, says Elizabeth (Libby) Dayton, a scientist in the college’s School of Environment and Natural Resources.
Her On-Field Ohio project seeks to update/revise the Ohio Phosphorus Risk Index, which is a U.S. Department of Agriculture-Natural Resources Conservation Service tool used by farmers to assess their risk of phosphorus moving off farm fields. The index is an integral part of a nutrient management plan, Dayton said, that is intended to provide farmers a field-scale estimate of their phosphorus runoff risk.