为了对六六六、滴滴涕等有机氯农药停止使用后提供有效的取代药剂,南通农药厂、海安农药厂与镇江农药厂于1982年联合研制成敌百虫、乙基1605和稳定剂复配药剂——4%敌乙粉(后改名为乙敌粉).根据省农科院的部署,江苏里下河地区农科所会同扬州市暨泰兴、江都、仪征、邗江、宝应等县农业局,对该药剂的防治对象和使用技术进行多点试验与大面积防治示范,取得良好结果. In order to provide an effective substitute for pesticides such as BHC, DDT and other organochlorine pesticides, the pesticide plant of Nantong, Hai’an Pesticide Factory and Zhenjiang Pesticide Factory were jointly developed into trichlorfon, ethyl-1605 and stabilizer compounding agent in 1982 - 4% enemy B powder (later renamed B enemy powder) .According to the deployment of the Provincial Academy of Agricultural Sciences, Jiangsu Lixiahe Agricultural Science Institute together with Yangzhou City and Taixing, Jiangdu, Yizheng, Qijiang, Baoying County Bureau of Agriculture, The drug control targets and the use of technology for multi-point test and large-scale prevention and control demonstration, and achieved good results.