Global Supply of Phosphate

Animal Manure Management November 14, 2013 Print Friendly and PDF

Waste to Worth: Spreading science and solutions logoWaste to Worth home | More proceedings....

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

Additional Information

International Plant Nutrition Institute


The authors are solely responsible for the content of these proceedings. The technical information does not necessarily reflect the official position of the sponsoring agencies or institutions represented by planning committee members, and inclusion and distribution herein does not constitute an endorsement of views expressed by the same. Printed materials included herein are not refereed publications. Citations should appear as follows. EXAMPLE: Authors. 2013. Title of presentation. Waste to Worth: Spreading Science and Solutions. Denver, CO. April 1-5, 2013. URL of this page. Accessed on: today’s date

Connect with us

  • Twitter
  • Facebook
  • YouTube


This is where you can find research-based information from America's land-grant universities enabled by



This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.