Phosphorus resources of China, and production and consumption of phosphate fertilizer in recent years were reviewed. The P fertilizers produced in China before 1990s used to be low-graded. In recent years the situation has been changing rapidly. In 2002 the high-graded P fertilizers amounted to 45% of the total output of P fertilizers in China.
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鲁如坤.我国的磷矿资源和磷肥生产消费I.磷矿资源和磷肥生产[J].土壤,2004,36(1):1-4,11. LU Ru-kun. PHOSPHORUS RESOURCE OF CHINA AND PHOSPHATE FERTILIZER PRODUCTION AND CONSUMPTION I. P RESOURCES AND P FERTILIZERS PRODUCTION OF CHINA[J]. Soils,2004,36(1):1-4,11