日光温室等设施蔬菜由于接茬紧凑、连年种植,所以生产上普遍存在土传病害和根结线虫及地下害虫发生量大,危害十分严重的“连作障碍”现象,不仅严重影响蔬菜的正常生长发育,而且已成为制约蔬菜产量和品质提高的重要因素。据各地实践,抓住设施蔬菜换茬之 Due to the compact and successive planting of vegetables in solar greenhouse, the occurrence of soil borne diseases and root-knot nematodes and underground pests are very common in production. The phenomenon of “continuous cropping obstacle” is very serious, which not only seriously affects the normal growth of vegetables Development, but also has become an important factor restricting the yield and quality of vegetables. According to local practices, seize the facilities for vegetable stubble