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在我市,大豆多与玉米条带间作。这种传统的种植方式严重影响了玉米和大豆的平衡增产,使大豆种植面积和总产急剧下降。1986年,在总结群众经验的基础上,推广大豆、夏玉米同穴种植新技术。1987～1990年推广面积达72万亩,在玉米不减产的情况下,四年累计增产大豆2836万公斤,增收3420万元。目前,该项技术已在我省大部分地区全面推广。 大豆、玉米同穴种植能提高光能利用率,充分利用土地肥水资源,减轻大豆病虫危害,避免大豆
In our city, soybeans and corn band intercropping. This traditional planting method has seriously affected the balanced increase of corn and soybean production, resulting in a sharp drop in soybean acreage and total output. On the basis of summing up the masses’ experiences, in 1986, we promoted the new technology of planting the same hole of soybean and summer corn. From 1987 to 1990, the area of promotion reached 72 million mu. Under the condition of not reducing corn production, the cumulative increase of soybean output in the four years was 28.36 million kilograms, an increase of 34.2 million yuan. At present, the technology has been fully promoted in most parts of our province. Soybean, corn, hole planting can increase the utilization of light energy, make full use of land fertilizer and water resources, reduce the hazards of soybean pests and avoid soybeans