Soil Degradation: A Threat to Developing-country Food Security by 2020?Evaluating the impact of soil degradation o food security. Past and present effects of soil degradation. Future effects of soil degradation and threats to developing-country food security. Policy and research priorities. |
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agricul agricultural land agricultural production arable land Assessment Bøjö Central America China cost of soil cropland degra degraded land degraded soils densely populated marginal developing countries Discussion Paper Dregne drylands economic effects effects of soil Environment environmental estimates Ethiopia farmers farming systems fertility in Africa Food Policy Research food security global high-quality rainfed lands highlands IFPRI impact improve income increase inputs International Food Policy investment irrigated lands Kenya land area land degradation long-term loss maize ment million hectares moderate nomic nutrient depletion Oldeman organic matter Pagiola Pandya-Lorch pasture Pinstrup-Andersen Policy Research Institute populated marginal lands potential poverty problems projected radation region Rosegrant 1997 rural salinization Scherr soil conservation soil degradation soil erosion soil fertility soil management soil nutrient soil productivity soil resources Soil Science Southeast Asia studies Sub-Saharan Africa sustainable tion trends tropical tural United Nations urban agriculture Washington water erosion waterlogging World Bank Zimbabwe
Popular passages
Page 1 - IFPRI developed a vision for the year 2020 of what needs to be done to achieve a world "where every person has economic and physical access to sufficient food to sustain a healthy and productive life, where malnutrition is absent, and where food originates from efficient, effective, and low-cost food and agricultural systems that are compatible with sustainable use and management of natural resources
Page 62 - Farming systems principles for improved food production and the control of soil degradation in the arid, semi-arid, and humid tropics.
Page 54 - Grohs F (1994) Economics of soil degradation, erosion and conservation: A case study of Zimbabwe.
Page 52 - The Nature of Agricultural Systems: Food Security and Environmental Balance,
Page 62 - Technology Paper No. 4, prepared by the Technical Advisory Committee to the Consultative Group on International Agricultural Research. Rome: UN FAO.
Page 55 - Huang, J., and H. Bouis. 1996 Structural changes in the demand for food in Asia. Food, Agriculture, and the Environment Discussion Paper 11.