随着设施农业的发展,内蒙古赤峰市蔬菜产业不断发展壮大,设施蔬菜栽培生产已成为农业增效、农民增收的重要途径。在设施蔬菜基地规模化拓展过程中,由于土地流转承包经营、设施投入成本较高以及产业发展专一等原因,同一基地连续多年或多茬种植同类蔬菜,致使土壤盐渍化、酸化严重,土壤结构破坏,地力衰退,根结线虫及其他土传病害发生严重,造成连作障碍并逐年加重,严重影响了蔬菜生产和农民收益,成为设施蔬菜产业健康发展中亟待 With the development of facility agriculture, the vegetable industry in Chifeng City of Inner Mongolia has been continuously developing and expanding. Cultivation and production of vegetable facilities in facilities has become an important way for increasing agricultural efficiency and increasing farmers’ income. In the process of large-scale expansion of the vegetable base of facilities, due to the reasons such as land circulation contract operation, high facility investment cost and industry development specificity, the same base has been planted with many kinds of vegetables for many years or more, resulting in soil salinization, acidification, soil Structural damage, soil degradation, root-knot nematodes and other soil-borne diseases are serious, causing continuous cropping obstacles and increasing year by year, seriously affecting the vegetable production and farmer income, the healthy development of the facilities vegetable industry in urgent need