Peak Phosphorus

Image: A dead agricultural field.

foreignpolicy.com - April 20th, 2010 - James Elser and Stuart White

From Kansas to China's Sichuan province, farmers treat their fields with phosphorus-rich fertilizer to increase the yield of their crops. What happens next, however, receives relatively little attention. Large amounts of this resource are lost from farm fields, through soil erosion and runoff, and down swirling toilets, through our urine and feces. Although seemingly mundane, this process cannot continue indefinitely.

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