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大豆窄行密植高产栽培技术引进试验与嫁接Ⅱ平作窄行密植高产栽培技术的增产效果刘忠堂何志鸿魏冀西王国春（黑龙江省农科院）（黑龙江省科委）（黑龙江省农技推广总站）平作窄行密植，是美国大豆专家Ｒ．Ｌ．ｅｏｏｐｅｒ教授经多年研究提出的一项大豆生产持续高产的栽...
Soybean narrow row close planting high yield cultivation technology introduction experiment and grafting Ⅱ flat for narrow row dense planting high yielding cultivation technology Liu Zhongtang He Zhihong Wei Ji West Wang Guochun (Heilongjiang Academy of Agricultural Sciences) (Heilongjiang Provincial Science and Technology Commission) (Heilongjiang Provincial Agricultural Technology Extension Station) 平 作Narrow row close planting, is the United States soybean expert R. L. Professor eooper after years of research put forward a soybean production continued high yield planted ...