TY - BK AU - Bengtson,R.L. AU - Carter,C.E. AU - Southwick,L.M. AU - Willis,G.H. TI - The influence of subsurface drainage practices on herbicide losses T2 - ASAE Paper SN - 0149-9890 U1 - 92-031562 PY - 1989/// KW - Agricultural chemicals KW - Drainage KW - Irrigation KW - AGROVOC KW - Natural resources KW - Protection of plants general aspects KW - Surface water KW - Water resources N1 - references. Paper presented at the 1989 International Summer Meeting, June 25-28, 1989, Quebec, Canada ER -