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无土育苗是用蛭石、炉渣等通气性良好的固体材料代替土壤,浇灌配制的营养液进行育苗的先进技术。与其他育苗方式比,育苗速度更快,能保证幼苗长势整齐,并且能防止苗期病虫害,提高幼苗质量。这种育苗方式还可使蔬菜育苗工厂化。但无土育苗方法技术难度大,要求高。其简要步骤如下:
Soilless seedling is the use of vermiculite, slag and other good ventilation of solid materials instead of soil, watering the preparation of nutrient solution for nursery advanced technology. Compared with other breeding methods, raising faster seedlings, seedlings can ensure that grow neatly, and can prevent pests and diseases at seedling stage, improve seedling quality. This breeding method can also make vegetable nursery factory. However, soilless seedling method is technically difficult and demanding. The brief steps are as follows: