the comprehensive utilization of the by product phosphogypsum from the wet process phosphoric acid plant is an issue of common concern for the high nutrition compound phosphate fertilizer enterprises.
湿法磷酸装置副产磷石膏的综合利用是高浓度磷复肥企业共同关心的问题。
effects of organic-inorganic compound phosphate fertilizer on the composing and transformation of inorganic phosphorus in lime soil was carried out under laboratory incubation condition.
实验室培养条件下,研究了有机复混磷肥对石灰性土壤无机磷组成变化的影响。
the waste residue discharged from the production of compound phosphate fertilizer occupies large area of land and pollutes surrounding environment, which causes environmental problems hard to control.
磷复肥生产排放的磷石膏废渣堆存占地,污染环境,已成为亟待解决的难题。