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In the poorly drained soils of the Eastern Corn Belt, tile drainage is a necessity rather than an option. However, nutrient loss through tile drainage is the focus of water quality issues in the Great Lakes and Gulf of Mexico. Kevin King, a research agricultural engineer with the USDA in Columbus, Ohio, shares research from 38 edge-of-field sites to identify the effects of different agricultural management practices on nutrient loss and provide insight on several options to keep nutrients in the soil and out of water.
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