ArticleScientific reports2025
Economic performance of introduced cassava processing technologies in coastal regions, Tanzania.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Mechanical cassava processing technologies have been recently introduced in Tanzania, yet their economic viability and farmer-level profitability remain underexplored. This study provides one of the first multidimensional evaluations of cassava mechanization in coastal regions (Tanga and Pwani) by integrating Net Present Value (NPV), Benefit-Cost Ratio (BCR), sensitivity analysis, and partial budgeting within a single analytical framework. Data from household surveys, focus groups, and machine trials were analyzed to assess technical efficiency, cost structures, and profitability of manual and engine-powered chippers and graters compared with traditional drying and fermentation. Results reveal that mechanized technologies shorten the drying time from 6-12 days to 1-3 days and produce flour of better quality. All machines showed profitable returns, with the cassava grater achieving the highest absolute returns, while the manual chipper achieved the best cost-benefit balance (3.25) and highest daily profitability (TZS 320.40/kg), which makes it a practical choice for small-scale farmers. The study's novelty lies in combining investment appraisal with per-kilogram profitability measures that translate economic viability into actionable farmer decisions. These findings contribute new evidence on region-specific cassava mechanization and offer policy pathways to scale adoption through subsidies, co-operative ownership, and credit access.
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