大棚蔬菜连作障碍原因与防治措施

Causes of the Barrier under Succession Cropping and Its Preven tion and Cure Steps in Plastic Greenhouse

分析了大棚蔬菜连作所引起的土壤理化性质、生物性状的变化 。

The present paper analyses the changes of soil physicochemical characters and biological properties which arise by succession cropping in plastic greenhouse,the main causes of the barriers on succession cropping are raised and the prevention and cure steps are suggested.\;