On April 25, the U.S. Department of Agriculture’s Natural Resources Conservation Service released a Web tool that can help farmers determine runoff quality on a 10-point ranking scale. The Water Quality Index for Agricultural Runoff (WQIag) takes into account such factors as nutrient management, soil type, conservation practices, and slope. Farmers can use the tool to calculate how changing various practices will improve water quality.
February 25, 2015
October 30, 2019
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