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discussion paper

Green and blue water accounting in the Limpopo and Nile Basins

Globally, most food is produced using soil moisture that comes from precipitation (i.e., “green” water). Moreover, most of the water that reaches plants in irrigated systems also stems from precipitation. Despite this, irrigation (or “blue”) water has…

book

International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT)

IMPACT – the International Model for Policy Analysis of Agricultural Commodities and Trade –was developed at IFPRI at the beginning of the 1990s, upon the realization that there was a lack of long-term vision and consensus among policy makers and…