大棚蔬菜栽培 ,随着栽培年限的增加 ,大棚内土壤盐渍化的程度日益加重 ,严重地影响大棚蔬菜的产量与品质 ,降低栽培效益。因此 ,必须认真地加以防治。一、蔬菜大棚土壤盐渍化的原因据多年的调查研究表明 ,造成蔬菜大棚土壤盐渍化的原因主要有以下几方面 :1、环境条件密闭。大棚 Greenhouse vegetable cultivation, with the increase of cultivation years, the degree of soil salinization in the greenhouse is aggravating, seriously affecting the yield and quality of greenhouse vegetables and reduce the cultivation efficiency. Therefore, we must take precautions carefully. First, the reasons for the vegetable greenhouse soil salinization According to years of research shows that the causes of the vegetable greenhouse soil salinization mainly in the following aspects: 1, the environmental conditions of airtight. Greenhouses