As a result, the method of using airslake-coal to produce potassium fertilizer including humic acid was varied with different crops.
因此,在利用风化煤生产含腐植酸钾肥时,应根据作物类型选择工艺路线。
英语百科
Potash
Potash/ˈpɒtæʃ/ is any of various mined and manufactured salts that contain potassium in water-soluble form. The name derives from pot ash, which refers to plant ashes soaked in water in a pot, the primary means of manufacturing the product before the industrial era. The word potassium is derived from potash.