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Browsing Charles H. Dyson School of Applied Economics and Management by Author "Nesin, Bourcard"
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FROM THE UNDERGROUND UP: BRINGING BONE CHAR FERTILIZER TO MARKET IN ETHIOPIA
Nesin, Bourcard (2017-01-30)Nearly all phosphorus fertilizers are derived from mined rock phosphate. Rock phosphate is a non-renewable resource that is quickly depleting and increasingly controlled by a small number of countries. Recent price volatility ...