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.
(Total Run Time: 52 Minutes. File Size: 75.2MB)
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