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矿业产量仅为2亿6100万吨。假设保有量不再增长，现有的磷仍足够开采260年。这与国际肥料发展中心（英语：International Fertilizer Development Center）（IFDC）在2010年的报告内容大体吻合。然而具体的数量仍然未知，且仍处于争议之中。科学新闻记者娜塔莎
Philpott, Tom. A Brief History of Our Deadly Addiction to Nitrogen Fertilizer. Mother Jones. 2013-04-19 [2013-05-07]. （原始内容存档于2013-05-05）. Ten worst
Gundorina, S. F.; Revich, B. A.; Frontasyeva, M. V.; Chen Sen Pal. Phosphorus fertilizer production as a source of rare-earth elements pollution of the environment
Agriculture Chapter 61, Commercial Feed Rules. Adopted by the Texas Feed and Fertilizer Control Service under the Texas Agriculture Code (1981). Amended May 19
Review of greenhouse gas emissions from crop production systems and fertilizer management effects. Agriculture, Ecosystems & Environment. Reactive nitrogen