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采用密闭法对马拉硫磷及氰戊菊酯单独使用和混合使用对土壤微生物的影响进行了研究,并对其使用的安全性进行了评价。结果表明马拉硫磷及氰戊菊酯单独使用和混合使用对土壤微生物基本无影响,两单剂及其混剂对土壤微生物属低毒级或无实际危害级农药
The effects of malathion and fenvalerate alone and in combination on soil microorganisms were studied using confined method and the safety of their use was evaluated. The results showed that malathion and fenvalerate alone and mixed use of soil microorganisms basically no effect, two single agents and their mixture of soil microorganisms is low toxicity grade or no actual hazard level pesticide