乙草胺万吨级除草剂品种，于上世纪九十年代初入市后，伴随除草剂市场扩容，发挥价格优势快速占有市场。据原化工部农药产量调度统计数据显示，1994年由千吨品种至1998年跃升为万吨级品种，1998年产量为10032吨，较1994年产量1187吨增长7.5倍。1999年起增速有所减缓，年产量114 Acetochlor Ten thousand tons of herbicide varieties, in the early 90s of last century into the market, with the herbicide market expansion, play a price advantage quickly occupy the market. According to the former Ministry of Chemical Industry pesticide production scheduling statistics show that in 1994 from thousands of tons of varieties jumped to 10,000 tons of varieties in 1998, 1998 production was 10,032 tons, compared with 1994 production of 1,187 tons increased by 7.5 times. The growth rate has slowed down since 1999, with an annual output of 114