Sustainable Agriculture: A Global Perspective
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Most future increases in global demand for food are expected to
arise by 2050. By that time, demand could increase by 2.5 to 3.0
times the present level. Given present knowledge about agricultural
production, prospective global supplies of land, water, plant
genetic, and climate resources will be insufficient to meet future
demand at acceptable economic and environmental costs. Nor
will extending natural resource supplies by increased conservation
of these resources suffice. The only hope of sustainably meeting
future food needs is through investment to expand knowledge of
agricultural production and its environmental consequences.