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为寻找降低稻米中农药残留的有效物质，１９９８ 年采用盆栽试验，分析测定了水稻植株和稻米中甲胺磷的残留变化，结果筛选出既对甲胺磷前８ ｄ 持效作用无显著影响，又对稻米中甲胺磷残留有显著降低作用的有效物质，为农药残留降解剂的研制提供了依据。
In order to search for effective substances to reduce the pesticide residues in rice, the pot experiment was conducted in 1998 to determine the residual changes of methamidophos in rice plants and rice. The results showed that there was no significant effect on the efficacy of methamidophos on the 8th day, But also significantly reduce the residues of methamidophos in rice effective substances, provide a basis for the development of pesticide residue degradation agent.