乙草胺为除草剂骨干品种,由此受到众企业关注,至2003年上半年已有参与生产企业201家,成为双百企业竞争品种。近2年原药登记企业激增,从而进一步加剧市场竞争。据对农药产品登记动态统计至去年,全国23个省、区、市230家企业登记产品484个厂次(原药19个厂次,单剂116个厂次,复配制 Acetochlor herbicide backbone species, which by the public concern, by the first half of 2003 have been involved in the production of 201 enterprises, a double hundred enterprises compete varieties. In the past two years, the number of original drug registration enterprises surged, further aggravating market competition. According to the dynamic statistics of registration of pesticide products last year, 230 enterprises in 23 provinces, regions and municipalities across the country registered 484 plants (19 plants of the original drug, 116 plants of single dose, compounding