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农民致富之友, ISSN 1003-1650, 2014, Issue 15, pp. 45 - 45
Journal Article
农民致富之友, ISSN 1003-1650, 2014, Issue 15, pp. 37 - 37
1.大豆重迎茬减产的原因种大豆不宜重茬和迎茬,也不宜种在其他豆类之后。"油见油、三年愁",大豆重迎茬减产的主要原因是根部病虫害的严重危害,根系分泌物、根茬腐解物、根际微生物的变化,破坏了共生固氮系统,抑制了根的吸收能力,使植株代谢减弱,植株生育缓慢,产量降低。 
植株干物质 | 腐解 | 大豆重迎茬 | 根际微生物 | 共生固氮 | 减产幅度 | 干物质积累量 | 土壤耕作 | 生产积累 | 防治要点
Journal Article
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