无土栽培即不使用土壤而用营养液及其它设施栽培植物的方法。根据基质的不同,可分为水培(狭义的)、雾培、沙培、砾培、蛭石培、石棉培、膨胀塑料培、膨胀粘土培等几大类,此外还有用混合基质的砂砾培以及我国天津、沈阳等 Soilless cultivation is the method of cultivating plants with nutrient solution and other facilities without using soil. According to the different matrix can be divided into hydroponic (narrow sense), fog culture, sand culture, gravel culture, vermiculite culture, asbestos culture, expanded plastic culture, expanded clay culture and other categories, in addition to mixed matrix gravel Pei and China’s Tianjin, Shenyang and so on