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The results show that dealkyl -and nitro -reduced compounds are the main degradation products of trifluralin in soils, whose kind and amount depend on soil conditions. 結果表明氟樂霛在土壤中的降解主要形成脫烷基和硝基還原産物,降解物的種類和數(shù)量的分佈均受土壤條件控制;