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Nitrate Reduction Through Controlled Drainage & Nutrient Management Plans
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Paper number 052236, 2005 ASAE Annual Meeting . (doi: 10.13031/2013.19041) @2005
Authors: Heather L. Smeltz, Robert O. Evans, Deanna L. Osmond, Gregory D. Jennings
Keywords: Controlled drainage, DRAINMOD-N, nitrate management plan, nitrate reduction
The Core Creek Project implemented and evaluated best management practices (BMPs) throughout the upper
watershed to reduce nutrient loading to the Neuse River. A portion of the Core Creek Project evaluated the reduction of
nitrate (NO3-N) leaving the Core Creek watershed due to the implementation of controlled drainage and nutrient
management plans. DRAINMOD-N was calibrated and extrapolated on a field-by-field basis to predict long-term hydrology
and nitrate losses based on BMPs implemented and crops grown throughout the watershed.