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对 40 %毒死蜱乳油在稻田土壤中的消解动态进行研究。经过两年两地的田间试验表明 ,其在稻田土壤中的半衰期为 6 .70～ 16 .11天 ,消解较快。 40天以后土壤中的残留量基本低于0 0 0 5mg/kg。
The dynamics of digestion of 40% chlorpyrifos EC in paddy soil was studied. After two years of field trials in both plots, the half-life in paddy soils was between 6.70 and 16.11 days and the digestion was faster. After 40 days, the residual amount in the soil is basically lower than 0 0 0 5 mg / kg.