Ephraim Nkonya, a research fellow, conducts research on land management and natural resources in the eastern and central African region. Ephraim, a citizen of Tanzania, earned a B.S. in agriculture from Sokoine University of Agriculture and an M.S. in agricultural economics and a Ph.D. in natural resources, econometrics, and statistics, both from Kansas State University. He joined IFPRI in 1999.

• Natural resource management in eastern and central Africa

• Kenya
• Tanzania
• Uganda
• East Africa
• Sub-saharan Africa

• Determinants of nutrient balances in a maize farming system in eastern Uganda
  2005. Nkonya, Ephraim M.; Kaizzi, Crammer; Pender, John. Agricultural Systems, 85(2):155-182.
• The economic rationale of recycling hybrid maize seeds in northern Tanzania
  2004. Nkonya, E.; Mwangi, W. Eastern Africa Journal of Rural Development, 20(1):113-124.
• Soil fertility status, management, and research in east Africa
  2004. Bekunda, M.; Ebanyat, P.; Nkonya, E.; Mugendi, D.; Msaky, J. Eastern Africa Journal of Rural Development, 20(1):94-112.
• Development Pathways and Land Management in Uganda
  2004. Pender, J., P. Jagger, E. Nkonya, D. Sserunkuuma. World Development, 32(5):767-792.
• Strategies to increase agricultural productivity and reduce land degradation: evidence from Uganda.
  2004. Pender, J., E. Nkonya, P. Jagger, D. Sserunkuuma, and H. Ssali. Agricultural Economics, 31(2/3): 181-195
• Strategies for sustainable land management and poverty reduction in Uganda
  2004. Nkonya, E., J. Pender, P. Jagger, D. Sserunkuuma, C. Kaizzi, H. Ssali. International Food Policy Research Institute (IFPRI) Research Report #133. Washington D.C.
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• Uganda crop trader characteristics and their marketing constraints
  2002. Nkonya, E.M. Eastern African Journal of Rural Development, 18(1):23-38.
• Cross-pollinated Crop Variety Adoption Studies and Seed Recycling: The Case of Maize in Tanzania
  2001. Nkonya, E.M. Eastern African Journal of Rural Development , 17(1): 25-34.
• Determining Socially Optimal Nitrogen Application Rates Using a Delayed Response Model: The Case of Irrigated Corn in Western Kansas
  2000. Nkonya, E.M., A.M. Featherstone. Journal of Agricultural and Resource Economics, 25(2): 453-467.
• Redistribution of Social Benefits from Advances in Extension and Research in the Tanzania Maize Industry
  1999. Nkonya, E.M., J.L. Parcell. Agricultural Economics, 21:231-239.