1980年我所在晚稻田开展球药间隔深施的试验,结果表明,间隔深施一次,不但可以基本上防治水稻全期全部害虫的为害,而且能减少农药用量,减少施药面积,减少污染,其突出的优点是能有效地保护害虫天敌,从而有利于恢复和稳定生态平衡。现将做法和效果小结如下: (一)球药的制造:用3％呋喃丹颗粒剂12斤,25％杀虫脒水剂4两,40％乐果乳 In 1980, the late paddy field in which our institute was located was used to carry out deep-seeding tests of the pellets. The results showed that applying the deep-seeding once can not only prevent and control all the pests in the whole rice period, but also reduce the dosage of pesticides, reduce the applied area, reduce the pollution, Its outstanding advantage is that it can effectively protect pests and natural enemies, thus helping to restore and stabilize the ecological balance. Now practices and effects are summarized as follows: (A) the manufacture of ball medicine: with 3% carbofuran granules 12 pounds, 25% Chlordimeform 4 4, 40%