用基质进行作物栽培、而不用土壤的方法统称无土栽培。蔬菜无土栽培可实现无污染、无公害生产,并且能有效地解决长年采用有土栽培而造成的土壤盐渍化、土床病害严重等问题。目前适应我省无土栽培的形式主要有基质栽培和水培2种。 一.基质栽培 采用槽栽形式,即在地面用砖或水泥修建宽80厘 Crop cultivation with substrates, without soil methods collectively referred to as soilless culture. Soilless culture of vegetables can achieve pollution-free, pollution-free production, and can effectively solve the long-term use of soil culture caused by soil salinization, soil bed disease and other serious problems. At present, the main forms of soilless culture adapted to our province are 2 kinds of substrate culture and hydroponics. I. Substrate cultivation using trough form, that is, the ground with brick or cement to build a wide 80%