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无土栽培在蔬菜生产上,具有产量高、优质、早熟、省水、病害轻、无污染等优点。据试验,每生产1公斤蔬菜所用的营养液成本只需几分钱。山区可利用荒山坡,城市居民可利用阳台、屋顶无土栽培蔬菜,方法简便,效益大。现介绍几种蔬菜的无土栽培方法。一、韭菜的无土栽培用深18～20厘米的花盆或木槽,装深1～2厘米的河沙,河沙用水冲净,以防带菌。选用生长两年以上的露地韭菜,去
Soilless cultivation in vegetable production, with high yield, high quality, precocious, water, light disease, no pollution and so on. According to the test, the cost of nutrient solution used to produce 1 kg of vegetables is only a few cents. Barren hills can be used in mountainous areas, urban residents can use the balcony, soilless cultivation of vegetables on the roof, the method is simple and effective. Now introduce several kinds of vegetable soilless cultivation methods. First, the soilless cultivation of leek 18 to 20 cm deep with flower pots or wooden trough, loaded with 1 to 2 cm deep river sand, river sand washed with water to prevent bacteria. Use more than two years of growth of leeks to go