设施菜地随着使用时间的延长,土壤的盐渍化、酸性化和养分比例失调等现象日趋严重。设施菜地的这种变化生产上称为“土壤障碍”。大量调查和研究表明:设施菜地“土壤障碍”的形成和加重与不合理的施肥等密切相关。因此,搞好设施菜地的合理施肥和棚室空茬管理,是规避和减轻“土壤障碍”的关键。那么设施土壤如何搞好合理施肥和棚室空茬管理呢? With the extension of the use time of the vegetable garden, the phenomena of soil salinization, acidification and nutrient imbalance are becoming more and more serious. This change in facility vegetable land is called “soil barrier” production. A large number of surveys and studies have shown that: the formation of vegetable garden “soil barrier ” and aggravating are closely related to irrational fertilization. Therefore, to do a good job in the rational management of vegetable fields and empty stubble management is to avoid and mitigate “soil barrier ” key. So how to do a good job of fertilizing soil and emptying stope management?