Study of Benefits of Improved Cassava and Sweet Potato Varieties in Zambia

(Note: Most documents are in PDF format, which requires Adobe Reader.)

Collaborators

• Eric Crawford and Steven Haggblade, FSRP
• Martin Chiona, ZARI
• Atushi Suzuki and Matian Ndhlovu, FoDiS (Food Crop Diversification Support Project)

Research Objectives

• To assess the economic returns to research and extension on improved varieties of cassava and sweet potato
• To draw lessons regarding future research and extension on these crops
• Draft research outline

Research Reports

Research Outreach Presentations

Background Publications

• Agricultural Research: A Practical Guide. July 1996. By William A. Masters with Bakary Coulibaly, Diakalia Sanogo, Mamadou Sidibé, and Anne Williams.  Department of Agricultural Economics, Purdue University, West Lafayette, IN.
• Aggregate Export and Food Crop Supply Response in Tanzania. 1998. By Andrew McKay, Oliver Morrissey and Charlotte Vaillant. Dfid-TERP: Credit Discussion Paper 4, (CDP04). Centre for Research in Economic Development and International Trade, University of Nottingham
• Operational guidelines for assessing the impact of agricultural research on livelihoods: Good practices from CIMMYT. 2007. Coordinated by: Roberto La Rovere, John Dixon. Impacts Targeting and Assessment (ITA) Unit.  CIMMYT, El Batán, Mexico
• Adoption and Impacts of Improved Maize Production. 1999. By Morris, M.L., R. Tripp, and A.A. Dankyi. Technology: A Case Study of the Ghana Grains Development Project. Economics Program Paper 99-01. Mexico, D.F.: CIMMYT
• The Adoption of Agricultural Technology: A Guide for Survey Design. 1993. CIMMYT Economics Program. Mexico, D.F.: CIMMYT.
• Report of Baseline Study on Food Crop Diversification Support Project. 2007. Food Crop Diversification Support Project for Enhancement of Food Security in Zambia (FoDiS). Mukelabai NDIYOI, Moses S. C. SIMWAMBANA, with Martin CHIONA and Mathias NDHLOVU. Japan International Cooperation Agency (JICA) Zambia Office. Lusaka, Zambia
• APPENDIX to Report of Baseline Study on Food Crop Diversification Support Project. See above.
• The impact of agricultural research in Africa: aggregate and case study evidence. 1998.  William A. Masters, Touba Bedingarb, and James F. Oehmke. Agricultural Economics 19 (1998) 81 #86
• Baseline Survey: Production and Field Management, Post Harvest and Marketing of Root Crops in Zambia. Van Otterdijk, Robert. 1996. Solwezi: Ministry of Agriculture, Food and Fisheries, Mutanda Regional Research Station.

Recommended Web Site Resources

• International Potato Center: Sweet Potato Information and related web links. 
• Maximising incomes from sweet potato production as a contribution to rural livelihoods R4D. Dfid. Project Record
• Working with farmers to control sweet potato virus disease in East Africa. R4D. Dfid. Project Record
• Ex ante assessment of dual-purpose sweet potato in the crop–livestock system of western Kenya: A minimum-data approach. 2008. by L. Claessensa, J.J. Stoorvogelb and J.M. Antle. Agricultural Systems. Volume 99, Issue 1, December 2008, Pages 13-22.
• Sweet potato viruses in South Africa and the effect of viral infection on storage root yield. University of Pretoria Research Repositoy-2008
• East Africa Root Crops Research Network. EARRNET
• AFRICANCROPS.NET. Cassava Improvement Network