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The challenge for agriculture over the coming decades will be to meet the world’s increasing demand for food in a sustainable way. Declining soil fertility and mismanagement of plant nutrients have made this task more difficult.
La population mondiale en 2020 sera de 30% superieure a celie de 1995, mais la demande en denrees alimentaires et fibre augmentera d'un pourcentage encore plus eleve au fur et a mesure de la croissance des revenus, de la diversification des r
Global population in the year 2020 will be a third higher than in 1995, but demand for food and fiber will rise by an even higher proportion, as incomes grow, diets diversify, and urbanization accelerates.
Soil degradation
By the year 2020 land degradation may pose a serious threat to food production and rural livelihoods, particularly in poor and densely populated areas of the developing world.