Nutrient solution for soilless culture, and preparation method of nutrient solution

The invention relates to a nutrient solution for soilless culture, and a preparation method of the nutrient solution. The nutrient solution for the soilless culture is prepared from fertilizer raw materials and water, and is characterized by containing a buffer solution. The nutrient solution for the soilless culture has an improved buffer ability, can prevent plant roots from being rotten, and improves the yield and quality. 本发明涉及一种无土栽培营养液及其制备方法，无土栽培营养液由肥料原料和水组成，其特征在于，含有缓冲溶液。本发明可以提高营养液的缓冲能力，防止植物烂根，提高产量和品质。