在毛主席革命路线的指引下,近年来,我区微生物农药的生产和应用有了新发展。为了进一步验证杀螟杆菌的治虫效果,1973年我们在阳谷县石门宋公社的东宋、西宋、官路堂、商坑、岳海、韩洼等十七个大队,依靠贫下中农、科学实验小组。搞了大面积杀螟杆菌防治玉米钻心虫示范样板田,施药面积达4,000余亩。多 Under the guidance of Chairman Mao’s revolutionary line, in recent years, there have been new developments in the production and application of microbial pesticides in our region. In order to further verify the effect of the bactericide of the bactericide of Chibi, in 1973, we organized seventeen brigades in East Song, West Song, Guanluotang, Shangkeng, Yuehai and Hanwa in the Shiguan Song Commune of Yanggu County, Experimental group. Engaged in a large area of ​​corn borer worm prevention and control of a large scale demonstration model field, pesticide area of ​​4,000 acres. many