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Efficient soil water use: The key to sustainable crop production in dry areas of West Asia and North and Sub-Saharan Africa: proceedings of the 1998 (Niger) and 1999 (Jordan) Workshops of the Optimizing Soil Water Use (OSWU) Consortium
Within the next 30 years, the world's population will rise to 7-8 billion, bringing in its wake an urgent need to double the existing levels of world food production. Agenda 21 of the 1992 United Nations Rio Earth Summit ...