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磷是植物生长必不可少的元素之一。磷矿是农业生产极其重要的化工矿产资源．磷矿石80％以上用于生产磷肥。我国可耕地不多．且大多数可耕地缺磷或严重缺磷，需补施磷肥．以满足农业对磷肥的长期需求。我国磷矿资源分布及需求国内磷矿资源在地理上自然分布极不均衡。磷矿主要集?
Phosphorus is one of the essential elements of plant growth. Phosphate is an extremely important chemical and mineral resource for agricultural production. More than 80% of phosphate rock is used to produce phosphate fertilizer. There is not much arable land in our country. Most of the arable land is deficient in phosphorus or phosphorus deficiency, and phosphate fertilizer needs to be added. To meet the long-term needs of agriculture on phosphate fertilizer. Distribution and Demand of Phosphate Rock Resources in China The natural distribution of phosphate rock resources in China is extremely uneven. Phosphate rock is mainly set?