无土农业 即无土栽培技术,它利用水做溶剂,根据不同作物的生理需求,加以不同量的营养物,配制成不同配方的营养液,以砂石或锯末粉为载体,达到高产、优质、高效的生产目的。同时具有劳动强度低,抗灾抗逆能力强,省工省水省肥的优点。目前主要应用在特需蔬菜的栽培上。 Soilless agriculture is soilless cultivation technology, which uses water as solvent, according to the physiological needs of different crops, with different amounts of nutrients, formulated into different formulations of nutrient solution, gravel or sawdust powder as a carrier to achieve high yield, high quality , Efficient production purposes. At the same time, it has the advantages of low labor intensity, strong ability of resisting disaster and resilience, and saving water and fertilizer. Currently mainly used in the cultivation of vegetables on special needs.