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我区于1958年就在昆俞山林场开始发现松干蚧,目前已蔓延到文登、海阳、莱阳等11个县(市)先后受害面积近百万亩,严重威胁松林的正常生长。在毛主席革命路线指引下,我区广大林业工人和贫下中农,为了消灭害虫,保护国家的森林资源,积极开展了防治工作。自1972年开始,用氟乙酰胺涂环这个新方法,截
My district started to discover Songkuai Kuwana in Kunyu Mountain Forest Farm in 1958 and has now spread to nearly one million mu of 11 counties (cities) in Wendeng, Haiyang and Laiyang so seriously threatening the normal growth of pine forests. Guided by Chairman Mao’s revolutionary line, the vast majority of forestry workers and poor peasants in our region actively carried out prevention and control work in order to eliminate pests and protect the country’s forest resources. Since 1972, this new method of coating with fluoroacetamide has been cut