无土栽培是近年来植物栽培工作者研究的一个項目。一般是把植物种进碎石块等材料里,并不时供給营养液。这个方法已小規模地用于温室生产。最近,国外有些科学家又进一步試驗把植物种在玻璃纖維材料里。結果证明,玻璃纤維具有很高的毛細管性能,不仅能很好地吸收和保持水分,而且能吸附溶解在水里的矿物盐,慢慢地供給植物的根吸 Soilless cultivation is a project researched by plant cultivation workers in recent years. Plants are generally planted in materials such as crushed stones, and nutrient solutions are supplied from time to time. This method has been used on a small scale for greenhouse production. Recently, some foreign scientists have further experimented with planting plants in fiberglass materials. The results prove that the glass fiber has high capillary performance, not only can well absorb and retain moisture, but also can adsorb mineral salts dissolved in water and slowly supply the roots of the plants.