论文部分内容阅读
根据植物生理营养学家的试验结果,在无土栽培中,营养液的成分组成:氮素主要是硝酸钙、硝酸钾、硝酸铵、硫酸铵、尿素等;磷素肥主要有磷酸二氢钾、磷酸二氢铵;钾素是硝酸钾、磷酸二氢钾、硫酸钾及氯化钾;硫素有硫酸镁、硫酸钾。钙素:硝酸钙、氯化钙、磷酸钙;镁素是:硫酸镁、硝酸镁、碳酸镁、氯化镁;铁素是硫酸亚铁、氯化铁、柠檬酸铁及一些鳌合铁;硼肥是硼酸、硼砂;
According to plant physiology nutritionist’s test results, in soilless culture, the composition of the nutrient solution: Nitrogen is mainly calcium nitrate, potassium nitrate, ammonium nitrate, ammonium sulfate, urea, etc .; phosphorus fertilizer mainly potassium dihydrogen phosphate , Ammonium dihydrogen phosphate; potassium is potassium nitrate, potassium dihydrogen phosphate, potassium sulfate and potassium chloride; sulfur has magnesium sulfate, potassium sulfate. Calcium: calcium nitrate, calcium chloride, calcium phosphate; magnesium is: magnesium sulfate, magnesium nitrate, magnesium carbonate, magnesium chloride; ferrite is ferrous sulfate, ferric chloride, ferric citrate and some chelated iron; boron fertilizer Is boric acid, borax;