PT - JOURNAL ARTICLE AU - Jorge A. Delgado AU - Ronald F. Follett TI - Advances in Nitrogen Management for Water Quality AID - 10.2489/jswc.66.1.25A DP - 2011 Jan 01 TA - Journal of Soil and Water Conservation PG - 25A--26A VI - 66 IP - 1 4099 - http://www.jswconline.org/content/66/1/25A.short 4100 - http://www.jswconline.org/content/66/1/25A.full