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Soil degradation: a threat to developing-country food security by 2020?

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Author Info
Scherr, Sara J.
Abstract

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. However this demand is met, population and farming pressure on land resources will intensify greatly. There is growing concern in some quarters that a decline in long-term soil productivity is already seriously limiting food production in the developing world, and that the problem is getting worse. Sarah Sherr first focuses on the magnitude and effects of soil degradation. She then addresses soil degradation in the future and ends her brief with policy and research priorities.

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Paper provided by International Food Policy Research Institute (IFPRI) in its series 2020 vision discussion papers with number 27.

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Date of creation: 1999
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Handle: RePEc:fpr:2020dp:27

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Keywords: Soil degradation Developing countries.; Food security Developing countries.;

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Byiringiro, Fidele & Reardon, Thomas, 1996. "Farm productivity in Rwanda: effects of farm size, erosion, and soil conservation investments," Agricultural Economics, Blackwell, vol. 15(2), pages 127-136, November. [Downloadable!] (restricted)
  2. Bojo, Jan, 1996. "The costs of land degradation in Sub-Saharan Africa," Ecological Economics, Elsevier, vol. 16(2), pages 161-173, February. [Downloadable!] (restricted)
  3. Barbier, Bruno, 1996. "Impact of market and population pressure on production, incomes and natural resources in the dryland savannas of West Africa: bioeconomic modeling at the village level," EPTD discussion papers 21, International Food Policy Research Institute (IFPRI). [Downloadable!]
  4. Alfsen, Knut H. & De Franco, Mario A. & Glomsrod, Solveig & Johnsen, Torgeir, 1996. "The cost of soil erosion in Nicaragua," Ecological Economics, Elsevier, vol. 16(2), pages 129-145, February. [Downloadable!] (restricted)
  5. Cassman, K. G. & Harwood, R. R., 1995. "The nature of agricultural systems: food security and environmental balance," Food Policy, Elsevier, vol. 20(5), pages 439-454, October. [Downloadable!] (restricted)
  6. Alfsen, Knut H. & Bye, Torstein & Glomsr D, Solveig & Wiig, Henrik, 1997. "Soil degradation and economic development in Ghana," Environment and Development Economics, Cambridge University Press, vol. 2(02), pages 119-143, May. [Downloadable!]
  7. Dewees, Peter A. & Scherr, Sara J., 1996. "Policies and markets for non-timber tree products:," EPTD discussion papers 16, International Food Policy Research Institute (IFPRI). [Downloadable!]
  8. Clay, Daniel & Reardon, Thomas & Kangasniemi, Jaakko, 1998. "Sustainable Intensification in the Highland Tropics: Rwandan Farmers' Investments in Land Conservation and Soil Fertility," Economic Development and Cultural Change, University of Chicago Press, vol. 46(2), pages 351-77, January.
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  1. Rosen, Stacey & Wiebe, Keith, 2001. "Resource Quality, Agricultural Productivity, And Food Security," 2001 Annual meeting, August 5-8, Chicago, IL 20737, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association). [Downloadable!]
  2. Obare, Gideon A. & Mwakubo, Samuel M. & Ouma, Emily A. & Mohammed, Lutta & Omiti, John, 2004. "Social Capital and Soil Erosion Control in Agriculturally Marginal Areas of Kenya: The Case of Machakos and Taita-Taveta Districts," 2004 Inaugural Symposium, December 6-8, 2004, Nairobi, Kenya 9532, African Association of Agricultural Economists (AAAE). [Downloadable!]
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