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… THE LAND IN NUMBERS LIVELIHOODS AT A TIPPING POINT FOREWORD … • For an estimated world population of 9 billion in 2050, agricultural production must increase by about 70% globally and 100% in developing countries. 20 • If agricultural land productivity remains at its current levels, …

… or loss of biological or economic productivity of land resulting from land use or from processes such as water or wind erosion. The … of cropping systems as well as the adoption of appropriate agricultural technologies, among others, to halt and reverse …