00562nam a2200181Ia 4500001001000000003000500010008004100015010001100056040000900067082001800076100002100094245009400115260003700209300001100246440004400257650004300301650003600344Para_1495CHAP220125s1990    xx            000 0 und d  a198737  cCHAP  aPA 632.95 C45  aCheng, H.H., ed.  aPesticides in the soil environment :b processes, impacts, and modeling /c by H.H. Chang  aMadison :b Soil Science America  a530 p.  aSoil Science Society of America Book, 2  aPesticidas x efecto en medio ambiente  aPesticidas x efecto en suelos