TY - RPRT TI - Denitrification in the shallow ground water of a tile-drained, agricultural watershed AU - E. Mehnert AU - H.-H. Hwang AU - T.M. Johnson AU - R.A. Sanford AU - W.C. Beaumont AU - T.R. Holm PY - 2007 DO - 10.2134/jeq2006.0096 UR - https://pubs.usgs.gov/publication/70032174 ID - 70032174 ER -