Why Are We Concerned About Global Phosphorus Supply?
There has been a great deal of press coverage in the past few years about the supplies and reserves of rock phosphate across the globe with some predicting exhaustion of these supplies within a few decades. This presentation examines the supplies, reserves and trends in the world phosphorus supply.
Mike Stewart, International Plant Nutrition Institute email@example.com
International Plant Nutrition Institute http://www.ipni.net
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