大豆重迎茬减产的主要原因及农艺对策何志鸿刘忠堂胡立成陈仁忠李国忠王国春黑龙江省大豆重迎茬严重，影响单产的提高和面积的进一步扩大。从１９９４年起，先后由黑龙江省科委和国家科委立项，组织国家大豆工程技术研究中心，黑龙江省农业科学院大豆所、合江所、绥化所、... Major Reasons for Soybean Replanting and Cropping and Agronomic Countermeasures He Zhihong, Liu Zhongtang, Hu Licheng, Chen Renzhong, Li Guozhong and Wang Guochun Heilongjiang Province seriously affected the soybean yield and affected the improvement of yield and the further expansion of the area. Since 1994, Heilongjiang Provincial Science and Technology Commission and the State Science and Technology Commission successively set up a project to organize National Soybean Engineering and Technology Research Center, Heilongjiang Academy of Agricultural Sciences Soybean Institute, Hejiang Institute, Suihua Institute, ...