Keywords acetanilide herbicides;enantioselectivity;soil enzyme activity;soil microbial biomass;reaction mechanism;D. magna;toxicity test;plant cytochrome P450;

• 酰胺类除草剂;手性选择性;土壤酶活性;土壤微生物量;相互作用机理;大型蚤;毒性试验;植物细胞色素P450;