The results showed that acetochlor inhibited the population of soil microbe and the growth of bacteria,actiinomyces and funguses in soil and the respiratiion of soil microbe at different degree.

• 结果表明,乙草胺对土壤微生物种群数量及土壤中细菌、放线菌、真菌生长速率均有一定的抑制作用,对土壤微生物呼吸作用具有明显的抑制作用。