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1 无土农业。即无土壤栽培技术 ,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 ,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。2
1 soilless agriculture. That is, no soil cultivation technology, the use of water as a solvent, according to the physiological needs of different crops, with different amounts of nutrients, made of different formulations of nutrient solution, sand or sawdust powder carrier, to high yield, high quality and efficient production purpose. 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. 2