目前,我国各地温室生产因重茬、连作导致了土壤结构不良、病虫害严重等问题。针对此情况,可采用如下办法加以解决: 一、全室换土。土壤是多种病原物越冬越夏的场所,遇到适宜条件,继续侵染危害。所以,把耕作层的土壤全部换 At present, the production of greenhouse crops in different parts of China has resulted in problems such as poor soil structure, serious pests and diseases due to continuous cropping and continuous cropping. In view of this situation, the following methods can be used to solve: First, the whole room for earth. Soil is a variety of pathogens over the summer and summer place, meet the appropriate conditions to continue the infection. Therefore, the soil all the farming layer change