00964nam0-2200301---450-99000916778040332120100401113602.00873710800000916778FED01000916778(Aleph)000916778FED0100091677820100401d1987----km-y0itay50------baengUSa-------001yyEffects of conservation tillage on groundwater quality Bibliography Language: Englishnitrates and pesticidesTerry J. Logan ... [et al.]Chelsea, MichLewis Publishers©1987XVIII, 292 p.ill.24 cmFalde acquifereLogan,Terry J.ITUNINARICAUNIMARCBK990009167780403321IG 15 C 39232DMIGIDMIGIEffects of conservation tillage on groundwater quality Bibliography Language: English780408UNINA