This video shows what happens below the ground to remove nitrates from water when conservation drainage structures are used. It was produced in 2012 by the Missouri & Mississippi Divide RC&D and supported by a grant from the USDA Natural Resource Conservation Service (NRCS). The Leopold Center purchased the videos for Iowa high school and community college ag instructors.

In addition to the Leopold Center, these sponsors supported the series: Des Moines Water Works, Iowa Soybean Association, Iowa Environmental Council, Iowa Department of Agriculture -- Soil Conservation Division, AgriDrain Corporation, Raccoon River Watershed Association, Iowa Natural Heritage Foundation, Soil & Water Conservation Society, Carroll County Extension Council, Carroll County Soil & Water Conservation District, the Iowa Conservation Education Coalition and the Iowa chapter of the Soil & Water Conservation Society.

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