The Maize Green Revolution in Kenya Revisited
The maize green revolution, which increased maize yields through the use of improved varieties and fertilizer, has stalled since the mid-eighties in Kenya. This paper examines whether the stagnation of yields continued in the 1990s in spite of the implementation of the maize liberalization policies by the Kenya Government. Analysis of farm level surveys from 1992 and 2002 indicates slight increases in the use of improved maize varieties and fertilizer, but a substantial decrease in the intensity of fertilizer use. The econometric analysis suggests that the intensity of fertilizer use has a major effect on yield. The use of improved maize varieties, however, did not affect yield, suggesting that there are local varieties for some areas that do as well as improved varieties. Research is needed to develop improved varieties for some areas, and also needed for the development of alternative affordable soil fertility measures.
Volume (Year): 2 (2005)
Issue (Month): 1 ()
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- Anonymous, 2001. "Cimmyt 1999-2000 World Maize Facts And Trends: Meeting World Maize Needs: Technological Opportunities And Priorities For The Public Sector," Facts and Trends/Overview and Outlook 23727, CIMMYT: International Maize and Wheat Improvement Center.
- Pray, Carl E. & Ramaswami, Bharat & Kelley, Timothy, 2001. "The impact of economic reforms on R&D by the Indian seed industry," Food Policy, Elsevier, vol. 26(6), pages 587-598, December.
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- Freeman, H. Ade & Kaguongo, Wachira, 2003. "Fertilizer market liberalization and private retail trade in Kenya," Food Policy, Elsevier, vol. 28(5-6), pages 505-518.
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