Field Evaluation of Controlled Drainage and Woodchip Bioreactors in Reducing Contaminant Losses from Farmed Fields. Revised research design. Claremont and Dundas Minnesota, Edge of Field Practices. Image Date Issued 2016-10-10 Author Moncrief, John F. Ranaivoson, Andry Z. Dittrich, Mark Main Topic Agricultural Drainage Hydrology Water Conveyance & Hydraulics