TY - BK AU - Bottcher,A.B. AU - Huggins,L.F. AU - Monke,E.J. ED - Winter Meeting of the American Society of Agricultural Engineers TI - Management effects on water quality of subsurface drainage T2 - ASAE Paper PY - 1982/// CY - Chicago, IL (USA) PB - ASAE, KW - Drainage KW - Nutrients KW - Water management N1 - Includes summary ER -