Phosphorus reserves, resources and uses

• Five countries hold 85% of the planet’s phosphate rock reserves. High dependency on imported phosphate rock and/or mineral phosphorus fertiliser can contribute to national food system vulnerability. Geological depletion of phosphate rock is not an immediate threat, however geopolitical, institutional, economic, and managerial factors may impact phosphorus access. Improving the efficient use of phosphorus in agriculture and shifting reliance away from mined phosphorus sources by increasing phosphorus recycling may offer the greatest protection against potential phosphorus supply risks. 

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