【摘要】 阐述作物连作障碍的定义,从有害微生物增加、土传病害加重和土壤盐类积聚及酸化、植物自毒作用等方面综合分析了连作的主要障碍原因,并在此基础上提出了连作障碍的防治措施。更多还原

【Abstract】 In the paper,the definition of succession cropping obstacle was stated.And its causes were also analyzed including the increase of harmful microorganism and soil-transmitted diseases,the salt accumulation and soil acidification,the plant autotoxicity,and so on.Based on the analysis,the control methods of succession cropping obstacle were put forward.更多还原