The influence of PCNB on activities of invertase, urease, neutral phosphatase and catalase in vegetable greenhouse soil was investigated.

• 采用室内试验方法研究了五氯硝基苯(PCNB)对蔬菜大棚土壤转化酶、脲酶、中性磷酸酶和过氧化氢酶活性的影响。