我场有山林面积3800多亩,其中马尾松纯林就有3400多亩,历来松毛虫危害严重。1972年6月份,马尾松林普遍发生了松毛虫,发动全体职工使用十几部喷雾器,投工300多个,用药2万多斤,花钱8千多元,防治了本代松毛虫,但没有从根本上解决问题,结果下代松毛虫又大量发生了。1973年以来,我们遵照毛主席关于“同病虫害作斗争”的教导,发扬自力更生,艰苦奋斗的精神,打破洋框框,土法上马,共生产白僵菌粉5200斤,放菌面积3千多亩,除满足自用外,还支援了县内外兄弟单位 My field has a mountain area of ​​3800 mu, of which there are 3400 acres of pure pine forest, pine caterpillars have always been a serious harm. In June 1972, masson pine was widespread in Masson pine and mobilized all staff and workers to use more than a dozen nebulizers, put more than 300 workers into operation, used more than 20,000 kilograms and spent more than 8,000 yuan to prevent and control the generation of pine caterpillars. However, Fundamentally solve the problem, the next generation of pine caterpillars have occurred in large numbers. Since 1973, in accordance with Chairman Mao’s teachings on “fighting against pests and diseases”, we have adopted the spirit of self-reliance and arduous struggle to break the framework of our own country and launched the indigenous method of producing 5,500 kg of Beauveria bassiana powder with an area of ​​more than 3,000 mu , In addition to meet their own use, but also support the brothers units inside and outside the county