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解放以来,湄潭县城关区供销部门在销售农药品种中,有机氯农药要占主要地位,仅1983年上半年销售的农药中,有机氯农药就占95%。由于长期使用有机氯农药,致使大部分害虫产生了较强的抗性,从而导致了亩用农药少则4斤,多则8～10斤的情况。近几年,农村实行生产责任制后,农民见虫就防,出现大量乱用烂用农药的现象。这样不仅污染环境,而且对人畜的安全也带来极大的威胁。为了尽快寻求新的
Since liberation, the supply and marketing department of Chengguan District of Meitan County, among the pesticide varieties sold, occupy a major position. Only the pesticides sold in the first half of 1983 accounted for 95% of the total amount of organochlorine pesticides. Due to long-term use of organochlorine pesticides, resulting in the majority of pests have a strong resistance, resulting in mu pesticides as little as 4 pounds, as many as 8 to 10 pounds of the situation. In recent years, after the implementation of the production responsibility system in rural areas, peasants have seen pest prevention and a large number of indiscriminate use of pesticides have appeared. This will not only pollute the environment, but also bring great threats to the safety of human beings and animals. In order to seek new as soon as possible