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连作障碍是在同一地块里连续种植同一种或同科作物时,用正常的栽培管理措施也会出现作物生育异常、产量下降或品质下降等现象。我省设施蔬菜从90年代后期得到了迅速发展。设施蔬菜生产是一种人为作用很强的土地利用形式,因设施内特定的环境条件、作物种类、栽培方式等与露地栽培的不同,致使设施蔬菜具有高投入、高产出、重茬连作普遍的特点。经常处于封闭状态。随着使用年限增加,设施菜
Continuous cropping obstacle is when the same or same crop is continuously planted in the same plot, abnormal crop growth, yield decline or quality decline will occur with normal cultivation and management measures. The vegetables in our province have enjoyed rapid development since the late 1990s. Facilities Vegetable production is an artificially strong form of land use. Due to the different environmental conditions, crop types, cultivation methods and other open-field cultivation in facilities, vegetables with high input, high output and continuous cropping are common Features. Often in a closed state. With the increase of service life, facilities dishes