我们大队过去因地下害虫为害,玉米缺苗15～50％,大豆缺苗10～30％,花生缺苗7～25％,缺苗断条已成生产上的主要矛盾。自1971年以来,我们认真贯彻农业“八字宪法”,总结当地和学习外地的防治经验,针对地下害虫的发生情况,改过去的毒谷、毒 In the past, our brigade was damaged by underground pests, with maize lacking 15% to 50%, soybean lacking 10% to 30%, and peanut lacking seedling 7% to 25%. Vaccine seedling breaking has become the major contradiction in production. Since 1971, we conscientiously implemented the “Character Constitution” of agriculture, summarized the prevention and treatment experiences in local and overseas study areas, and aimed at the occurrence of underground pests, changing the past poison valleys and poisonous