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遵照英明领袖华主席抓纲治国的战略决策,根据轻工业部1972年265号文件,利用高效低毒农药和生物制剂防治甜菜病虫害,积极采用生物防治甜菜害虫,减轻农药污染,黑龙江省轻工业局在哈尔滨召开了“利用赤眼蜂防治甜菜甘兰夜盗虫技术鉴定”会议,参加会议的有领导部门、科研和生产单位的代表。代表们参观了哈尔滨市道里区新农公社
In accordance with the strategic decision of Chairman Hua, wise wise leader, in grasping the country by rule of law, according to document No. 265 of the Ministry of Light Industry in 1972, the use of high efficiency and low toxicity pesticides and biological agents to control beet pests and diseases and actively adopt biological control of beet pests and reduce pesticide pollution, Heilongjiang Light Industry Bureau in Harbin Held the “Trichogramma beetle prevention and control beetle night robbery technical appraisal” meeting, attended the meeting with leading departments, research and production units on behalf of. The delegates visited the new agricultural cooperatives in Daoli District, Harbin