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目前,大豆食心虫的防治不論是农業及药剂方面都已有可行的办法。自公社化后,土地連片,机械耕作面积增多,有利于农業防治的推行;特别是研究出利用六六六、滴滴涕混合粉剂取得了大面积防治的良好效果,并起到示范作用,使大豆食心虫防治进入新的阶段。 一 农业防治 (一)及时耕翻豆后小麦茬。东北中北部是大豆、春小麦的产区。豆茬地来年有种小麦的輪作制度,收麦后为避免生長杂草,必
At present, the prevention and control of soybean borer has been feasible both in agriculture and pharmaceuticals. Since the establishment of the communes, land contiguous with an increase in the area of mechanical farming has contributed to the implementation of agricultural control. In particular, great achievements have been made in the prevention and control of large-scale use of the BHC and DDT mixed powders and their demonstration effect has been made Soybean borer prevention and control into a new stage. A prevention and treatment of agriculture (a) timely tillage wheat stubble. North-central Northeast is a soybean, spring wheat producing areas. In the coming year, the stubble crop will have a system of rotation of wheat. After the wheat is collected, to avoid the growth of weeds, it must be done