Book Description

Agriculture in the national economy of Tanzania; Background to the study; Objectives; Procedures follewed; Outline of the report; maize production in Tanzania; Maize research in Tanzania; Structure and evolution of the national agricultural research system; Maize research prior to 1974; Usaid support to maize research; Maize research between 1984 and 1994; Contribution of CIMMYT to Tanzanian maize research; Contribution of sasakawa global 2000 to maize research and; Contribution of farming systems programs to maize research and extension; Contribution of the democratic peolples republic of Korea to maize research; Nordic countries/Finnida support for maize research; Maize research coordinationm; Recommendations since 1974; Methodology for assessing the impact of the maize research and extension program; Meaning of impact; Conceptual framework to assess the impact of Tanzanian maize R & D program; rate of return estimates; "With" and "Without" scenarios; Data collection method; maize production systems and adoption of recomemended practices; Household characteristics; resource endowment and source of income; Adoption of recommended practices; Varieties grow and preference; Access to institutional services; Constraints to adoption; Impact of investiment into maize research, extension and enabling environment in tanzania; Economic impacts; Intermediate impact; Environmental impacts; Spill-over effects; Impact on food security; Summary of survey results; results of impact study; major conclusions and recommendations; Anexes: Adoption of maize technologies: 1974-1994; Small and medium scale farmer maize adoption; Survey questionnaire-Tanzania; Tanzania maize sample farmer survey summary; maize production recommendations; Estimated net benefits for Tanzanian maize R & D - 1965-1994; Estimated research, extenstion, and adoption costs for Tanzanian maize R & D - 1965-1994; Adoptioon pattern of the improved technologies by major research zone - 1974-1994; Tanzania NMRP staff, discipline and degrees obtained during the period 1974-1994.