Field Evaluation of Controlled Drainage and Woodchip Bioreactors in Reducing Contaminant Losses from Farmed Fields with Natural Back Ground Estimate: Nitrogen, Phosphorus, Fecal Coliform, Herbicides, and Turbidity Image Date Issued 2012 Author Ranaivoson, Andry Z. Moncrief, John F. Venterea, Rodney Rice, Pamela Dittrich, Mark Main Topic Surface Water Wastewater Water Conveyance & Hydraulics Hydrology