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前言我省广大保粮职工在毛主席革命路线指引下,自力更生,艰苦奋斗,土法上马,从本省实际情况出发,十多年来,在使用熏蒸剂防治贮粮害虫工作上,采用了磷化锌加酸、自制磷化铝粉剂、土窑法和电弧法烧制磷化钙等发生磷化氢的方法。由于磷化氢优点很多,多年来是我省处理贮粮害虫最主要的熏蒸剂,所处理的虫粮占处理总数的90％以上。但是,近几年来,不断出现磷化氢用药次数频繁,剂量加大,效果不好以及污染增多等反映,推其原因则说法不一。考虑到我们科研部门就是要想基层所想,急生产所急,课题要来
Preface The grain-conserving grain workers in our province, under the guidance of Chairman Mao’s revolutionary line, are self-reliance, hard-working, and native-born. Based on the actual situation in our province, over the past decade, we have adopted phosphating in the use of fumigants to prevent and control stored grain pests Zinc plus acid, homemade powder of aluminum phosphide, kiln method and arc method of calcium phosphide, such as the occurrence of phosphine. Due to the many advantages of phosphine, over the years our province is the main fumigation agent handling grain stored pests, the processing of pests accounted for more than 90% of the total treatment. However, in recent years, the frequent occurrence of frequent use of phosphine drug, dose increase, the effect is not good and the increase of pollution and other reasons, the reason is not the same. Taking into account our scientific research department is to want the grass-roots think, urgent production urgently, the subject to come