营养液膜栽培技术是无土栽培的一种,它的特点是将育成的幼苗移栽在无基质的、具有薄层的、流动的营养液栽培床中,根系在这样的环境中生长,对水、肥、气诸条件都得到了充分的满足,因此作物生长快,产量高。这种方法由于不用土壤,也不易受病虫害的侵染,在生产期间可以不用或少用农 Nutritional liquid membrane cultivation technique is a kind of soilless cultivation. Its characteristic is that transplanted seedlings are transplanted in a matrix-free, thin-bedded, flowing nutrient-liquid cultivation bed, and the root system grows in such environment. Water, fertilizer, gas conditions have been fully satisfied, so crops grow fast, high yield. Since this method does not use the soil, nor is it susceptible to pests and diseases, it is possible to use less or less farming during production