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近年来,随着国家对粮食安全的关注,在旱田作物中玉米与大豆相比种植效益相对提高,绥化市北林区玉米种植面积大幅度增加,2009-2011年北林区玉米面积都超过100万亩,北林区在黑龙江省粮食主产区的地位更加稳定。同时,绥化市北林区农业技术推广中心以国家重点开展“丰粮工程”为契机,以全面提升玉米综合丰产能力为目标,针对制约玉米生产的主要障碍因素开展技术攻关,突破单
In recent years, with the state’s concern for food security, the planting efficiency of maize and soybean in dryland crops has been relatively improved, and the corn acreage in Beilin District, Suihua City has increased substantially. The area of maize in Beilin District surpassed 1 million mu in 2009-2011 , Beilin District in the main grain-producing areas in Heilongjiang Province more stable position. At the same time, BeiLinqu Agricultural Technology Extension Center of Suihua takes the opportunity of the State to carry out the “Rich Grain Project” and takes the opportunity of comprehensively increasing the comprehensive yield of maize. In view of the main obstacles that restrict the corn production,