By using simulation method, this paper studied the effects of furadan on the activities of soil urease, invertase and alkaline phosphatase, with the affecting factors investigated.

• 通过模拟方法，研究了呋喃丹与土壤中3种重要水解酶类-土壤脲酶、转化酶和碱性磷酸酶的关系及其影响因素。