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张店铝厂利用生产氧化铝的废渣试制出一种新型肥料——赤泥硅钙肥。它是以硅钙为主要成分的多元素碱性复合肥料,主要化学成分为:
Zhangdian aluminum plant using the production of alumina waste trial production of a new type of fertilizer - red mud calcium calcium fertilizer. It is based on calcium and silicon as the main component of multi-element alkaline compound fertilizer, the main chemical composition: