Author: Peter S Cornish

Peak phosphorus: implications for agriculture

Peter S Cornish
Summary Phosphorus (P) is as essential to agriculture as it is to life. Contrary to predictions of ‘peak P’ and a looming crisis in P supply, recent studies show that rock phosphate (RP) reserves will last for centuries. Mine production capacity is approaching the long-term demand for P, which is expected to plateau mid-century and then decline as global popu- lation stabilises and the demand for P in developing countries declines, as it has in many developed countries in recent decades. …