The main problems with phosphate and compound fertilizer production are analyzed, such as transportation, electric supply and funds.
此外，分析了磷复肥生产中存在的主要问题，如：运输、供电、资金。
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。
Process features and experimental results of production of compound fertilizer from partially acidulated phosphate rock in one step are presented.
介绍部分酸化磷矿一步法制复肥的工艺特点及实验研究结果。
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