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我省近几年应用白僵菌防治玉米螟做了一些工作。为进一步总结经验,提高防治效果,我们遵照毛主席关于“人类总得不断地总结经验,有所发现,有所发明,有所创造,有所前进”的教导,根据我省1973年农林科研计划,由河北省植保土肥研究所组织衡水、廊房、张家口地区农研所、河北农大、河北师大、保定农校、昌黎农校、廊房师专、芦台、汉沽、中捷人民友谊农场、邯郸原种场、安平、临西、宁晋、丰南、正定、灵寿、雄县、蠡县、平泉县的农林局、石家庄微生物农药厂等23个单位,在全省10个地区21个县76个大队或试验场,采用统一菌剂、统一设计方案,进行联合试验。进
In recent years, application of Beauveria bassiana in our province to prevent corn borer to do some work. In order to further summarize our experience and improve the effectiveness of prevention and treatment, in accordance with Chairman Mao’s teachings on “mankind should always sum up experiences, discoveries, inventions, creation and advancement”, according to the plan of agriculture and forestry research of our province in 1973, Soil and Fertilizer Institute of Hebei Province, organized by Hengshui, Langfang, Zhangjiakou Regional Institute of Agricultural Research, Hebei Agricultural University, Hebei Normal University, Baoding School, Changli Agricultural School, Langfang Teachers College, Lutai, Hangu, Czech Republic People’s Friendship Farm, 23 units in Handan original farm, Anping, Linxi, Ningjin, Fengnan, Zhengding, Lingshou, Xiongxian, Lixian and Pingquan counties and 21 microbial pesticide factories in Shijiazhuang, etc. County 76 brigade or test site, using a unified agent, a unified design, joint test. Enter