实验结果表明，碘甲磺隆钠盐对土壤微生物影响较小，属于低毒或无实际危害的农药。
Results of the experiments showed that iodosulfuron-methyl-sodium did little harm to soil microorganisms, and it was a kind of herbicide of low toxicity or no-real harm.
结果表明，在施用量超过田间推荐用量7倍的浓度范围内，碘甲磺隆钠盐对土壤中过氧化氢酶活性的影响不明显；
The results showed that when the concentration of iodosulfuron-methyl-sodium was 7 times as high as is recommended for field application also had no significant effect on soil catalase activity;
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