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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
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
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
Review of greenhouse gas emissions from crop production systems and fertilizer management effects. Agriculture, Ecosystems & Environment. Reactive nitrogen
Hard-to-Ignite Fertilizer to Foil Bomb-Makers. Fox News. Associated Press. 2008-09-23 [2014-04-06]. （原始内容存档于2014-01-10）. Honeywell Sulf-N ® 26: A New Fertilizer for