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东北春小麦复种饲料油菜能够充分利用黑龙江北部麦豆产区8~10月份的光、热及降雨量,实现农业资源的有效利用;同时,饲料油菜不与其它粮食作物争地,是解决人口与牲畜争粮重要途径,打破我国北部高寒区一年一熟制的模式,实现两年三熟制,提高单位土地面积的收获指数,破解大豆长期连作造成的毒土危害,使农业生产由恶性向良性转变,提升了土壤地力,提高作物单产,改变黑龙江北部原有的麦-豆和豆-玉轮作体系,建
Northeast rapeseed double crop rape can make full use of light, heat and rainfall in the northern part of Heilongjiang wheat germplasm area from August to October, to achieve the effective use of agricultural resources; at the same time, the feed rape does not compete with other food crops is to solve the population and livestock The important way to win grain is to break the model of one-year-old system in the high and cold area in northern China, realize the three-year system in two years, increase the harvest index of the unit area of land, crack the poisonous soil caused by the long-term continuous cropping of soybean and make the agricultural production from malignant to benign Change, improve soil fertility, improve crop yields, change the original north of Heilongjiang wheat - beans and beans - jade rotation system, built