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Alternative Soil Fertility Management Options in Malawi - An Economic Analysis

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  • Sauer, Johannes
  • Tchale, Hardwick

Abstract

In this paper, we analyze the factors that influence the productivity of maize among smallholder farmers, given that unfavourable output and input market conditions throughout the 1990s have compelled smallholder farmers into unsustainable agricultural intensification. We use farm-household survey data in order to compare the productivity of smallholder maize production under integrated (ISFM) and chemical-based soil fertility management using a normalized translog yield response model. The results indicate higher maize yield responses for integrated soil fertility management options after controlling for the intensity of fertilizer application, labour intensity, seed rate, land husbandry practices as well as selected policy factors. The estimated model is highly consistent with theoretical conditions. Thus we conclude that the use of ISFM improves maize productivity, compared to the use of inorganic fertilizer only. Since most farmers in the maize-based farming systems are crowded out of the agricultural input market and can hardly afford optimal quantities of inorganic fertilizer, enhancement of ISFM is likely to increase their maize productivity. We finally highlight areas of policy support needed to enhance ISFM uptake in smallholder maize-based farming systems.

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Bibliographic Info

Paper provided by American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association) in its series 2006 Annual meeting, July 23-26, Long Beach, CA with number 21423.

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Date of creation: 2006
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Handle: RePEc:ags:aaea06:21423

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Related research

Keywords: Malawi; smallholder agriculture; soil fertility management; yield response model; Livestock Production/Industries;

References

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  1. Jonathan Kydd, 1989. "Maize research in Malawi: Lessons from failure," Journal of International Development, John Wiley & Sons, Ltd., vol. 1(1), pages 112-144, January.
  2. Minot, Nicholas & Kherallah, Mylène & Berry, Philippe, 2000. "Fertilizer market reform and the determinants of fertilizer use in Benin and Malawi," MSSD discussion papers 40, International Food Policy Research Institute (IFPRI).
  3. Smale, Melinda & Jayne, T.S., 2003. "Maize in Eastern and Southern Africa: 'seeds' of success in retrospect," EPTD discussion papers 97, International Food Policy Research Institute (IFPRI).
  4. Andrew Dorward, 1999. "Farm size and productivity in Malawian smallholder agriculture," Journal of Development Studies, Taylor & Francis Journals, vol. 35(5), pages 141-161.
  5. Diagne, Aliou & Zeller, Manfred, 2001. "Access to credit and its impact on welfare in Malawi:," Research reports 116, International Food Policy Research Institute (IFPRI).
  6. Sauer, Johannes & Frohberg, Klaus & Hockmann, Heinrich, 2004. "Black-Box Frontiers and Implications for Development Policy – Theoretical Considerations," Discussion Papers 18772, University of Bonn, Center for Development Research (ZEF).
  7. Lau, Lawrence J., 1986. "Functional forms in econometric model building," Handbook of Econometrics, in: Z. Griliches† & M. D. Intriligator (ed.), Handbook of Econometrics, edition 1, volume 3, chapter 26, pages 1515-1566 Elsevier.
  8. Ryan, David L. & Wales, Terence J., 2000. "Imposing local concavity in the translog and generalized Leontief cost functions," Economics Letters, Elsevier, vol. 67(3), pages 253-260, June.
  9. M.A. Keyzer, 1998. "Formulation and Spatial Aggregation of Agricultural Production Relationships within the Land Use Change (LUC) Model," Working Papers ir98092, International Institute for Applied Systems Analysis.
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Cited by:
  1. World Bank, 2010. "Sub-Saharan Africa - Managing Land in a Changing Climate : An Operational Perspective for Sub-Saharan Africa," World Bank Other Operational Studies 2874, The World Bank.
  2. Nkonya, Ephraim & Place, Frank & Pender, John & Mwanjololo, Majaliwa & Okhimamhe, Appollonia & Kato, Edward & Crespo, Susana & Ndjeunga, Jupiter & Traore, Sibiry, 2011. "Climate risk management through sustainable land management in Sub-Saharan Africa:," IFPRI discussion papers 1126, International Food Policy Research Institute (IFPRI).

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