Prospects for Irrigated Agriculture : Whether Irrigated Area and Irrigation Water Must Increase to Meet Food Needs in the Future
2003
World Bank
This report derives from the importance of water for irrigation to the question, how will additional food be produced as competition for scarce land and water resources increases? The International Water Management Institute (IWMI), Food and Agriculture Organization of the United Nations (FAO), and International Food Policy Research Institute (IFPRI) provide a partial picture of supply and demand for food supply and irrigation-water by 2025 and 2030. The World Bank initiated a validation exercise in cooperation with these agencies to ensure that the models: consider a balanced range of assumptions and scenarios; introduce additional assumptions and scenarios; and replace, or fine-tune, some of them. It attempts to introduce into the forecasts the possible impacts of additional policy interventions and to evaluate their likely effects on the global projections of agriculture-water supply and demand. The validation exercise provides a review of the existing model structure and components, the assumptions made, the scenarios, and scenario results. Model assumptions, scenarios, and results of the revised response from the IWMI, FAO, and IFPRI are given as a part of the validation exercise as well as assumptions made and scenarios developed under different criteria and issues as raised by the group of experts.
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