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问:常用花肥有几类?哪些为氮肥?哪些为磷肥?哪些为钾肥? 山东王兆河答:常用花肥一般分四类: (一) 无机肥料。在这类肥料中:硫酸铵、硝酸铵、氯化铵、尿素、石灰氮等为氮肥;过磷酸钙、磷矿粉、钙镁磷等为磷肥;硫酸钾、氮化钾、草木灰等为钾肥。 (二) 有机肥料。它是一种含有机质及各种营养元素的完全肥料。很难截然分开它是氮肥,或者磷
Q: What are the commonly used flower fertilizer? What is the nitrogen fertilizer? What is the phosphate fertilizer? What is the potassium fertilizer? Shandong Wangzhaohe A: The commonly used flower fertilizer generally divided into four categories: (A) of inorganic fertilizers. In such fertilizers: ammonium sulfate, ammonium nitrate, ammonium chloride, urea, lime nitrogen and other nitrogen fertilizer; superphosphate, phosphate rock, calcium magnesium phosphate and other phosphate fertilizer; potassium sulfate, potassium nitride, ash, . (B) organic fertilizer. It is a complete fertilizer containing organic matter and various nutrients. It’s hard to separate it from nitrogen, or phosphorus