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9、营养液是怎样配制的?营养液常用浓度为多少?(杨兆芝曲建凤)答:营养液是用含有各种无机元素的化学物质按照一定比例配制而成的,包含花卉生长所必需的各种营养元素,如大量元素氮、磷、钾、钙、镁、硫和微量元素铁、锰、硼、铜、锌、钼等。家庭一般做不到自己配制营养液。1994年,张康强老师曾试图带领我们分别按照朱士吾、马太和两位教授的配方,自配营养液。我们跑
(Yang Zhaizhi Qu Jianfeng) A: Nutrient solution is a chemical containing a variety of inorganic elements formulated according to a certain percentage, including the necessary flower growth A variety of nutrients, such as a large number of elements of nitrogen, phosphorus, potassium, calcium, magnesium, sulfur and trace elements of iron, manganese, boron, copper, zinc, molybdenum and so on. Families generally can not prepare their own nutrition solution. In 1994, Professor Kang-Qiang Zhang had tried to lead us to formulate nutritional supplements according to the formulas of Zhu Shiguwu, Matthew and two professors respectively. Let’s run