江苏省宜兴县林场在抓理论,促生产的大好形势推动下,从1973年8月以来,大破科学神秘论,土法上马,先后试制58个防治林木害虫的土烟剂配方。经过反复试验,精心筛选,得到了宜兴1号、2号、3号三个较成功的敌敌畏插管烟雾剂配方,就地生产1925公斤,分别对松毛虫、竹毒蛾、白蚁等进行大面积防治试验,取得了初步成功。 Under the great situation of grasping theory and promoting production, the forest farm in Yixing County, Jiangsu Province, started to popularize the science mystery theory and indigenous law since August 1973 and has trial-produced 58 soil smoke formulations that control forest pests. After repeated tests and careful screening, three successful dichlorvos intubation aerosol formulations of Yixing No. 1, No. 2 and No. 3 were obtained, and 1925 kg were produced on site, and large-scale control measures of dendrolimus, moth, Test, has achieved initial success.