杀虫双是我国在七十年代自己开发的高效、低毒、低残留、广谱性新农药,具有胃毒、触杀、内吸、传导、熏蒸、杀卵等多种作用,残效期7—10天,对人和畜、鱼、虾、蛙等动物安全,可防治稻、麦、棉、茶、菜、果等50多种害虫,尤其是对水稻害虫防效更佳。1982年我县从湖南省株州、岳阳调进一批25％杀虫双水剂防治水稻害虫,防治面积早稻5,770亩、一季晚2,860亩、二晚秧田2,650亩、二晚大田前期10,360亩、二晚 Insecticidal double is our own in the seventies developed their own efficient, low toxicity, low residue, broad spectrum of new pesticides, with stomach poisoning, contact, absorption, conduction, fumigation, killing eggs and other effects, For 10 days, it can prevent over 50 kinds of pests such as rice, wheat, cotton, tea, vegetables, fruit and other pests to human beings, livestock, fish, shrimp and frogs, especially for pest control of rice. In 1982, our county transferred a batch of 25% insecticidal double agent to control pests of pests from Zhuzhou and Yueyang of Hunan Province in 1982, controlling 5,770 mu of early rice, 2,860 mu of first season, 2,650 mu of second nursery and 10,360 mu of second nursery, Two nights