大豆重迎茬危害与综合治理马淑梅孙伟王耀（黑龙江省农机工程科学研究院）（哈尔滨市植物园）（黑龙江省绥化市农机推广站研究表明，大豆重迎茬导致减产是发展大豆生产的主要障碍之一。一般情况下，重茬使大豆减产２０％～３０％（或更多）；迎茬使大豆减产５％～７％。由... Severe Soybean Replanting and Harm and Integrated Management Ma Shumei Sun Wei Wang Yao (Heilongjiang Academy of Agricultural Machinery) (Harbin Botanical Garden) (Suihua City, Heilongjiang Province Agricultural Machinery Extension Station Studies have shown that the reduction of soybean due to continuous cropping is the main development of soybean production One of the obstacles, under normal circumstances, cropping soybean yield by 20% to 30% (or more); yielding soybean crop 5% to 7%.