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Simulated willingness of farmers to adopt fertilizer micro-dosing and rainwater harvesting technologies in semi-arid and sub-humid farming systems in Tanzania

Author

Listed:
  • Lutengano Mwinuka

    (The University of Dodoma (UDOM))

  • Khamaldin Daud Mutabazi

    (Sokoine University of Agriculture (SUA))

  • Frieder Graef

    (Institute of Land Use Systems)

  • Stefan Sieber

    (Institute for Socio-Economics)

  • Jeremia Makindara

    (Sokoine University of Agriculture (SUA))

  • Anthony Kimaro

    (World Agroforestry Centre (ICRAF), ICRAF-Tanzania Country Programme)

  • Götz Uckert

    (Institute for Socio-Economics)

Abstract

Productivity of African agriculture falls below the global average due mainly to limited use of productivity-enhancing technologies. In Tanzania, smallholders farm without fertilizer on fragile soils in rain-fed areas. Inadequate soil nutrients, nutrient mining, and soil-moisture stress are the main factors limiting crop productivity. Fertilizer micro-dosing (MD) and rainwater harvesting (RWH) through tied ridges appear to be appropriate technologies to help replenish soil nutrients and improve soil moisture for increased crop production. It nonetheless remains unclear whether these technologies can be adopted by smallholder farmers in Tanzania. There have been limited efforts to predict adoption and diffusion of new technologies in Tanzanian agriculture. This paper assesses the willingness of farmers to adopt fertilizer MD with and without tied ridges. Data were obtained from a household baseline study, participatory ex-ante impact assessments, and simulation exercises. Our cross-section analysis used integrated ex-ante assessment tools to understand sustainability and to prioritize and sequence technology adoption and diffusion. Simulation predicted the ex-ante impact of selected technologies, the adoption rate peaks, the likelihood for reaching peaks, and the possible time required to reach peak adoption. Our findings suggest the best paths that technology users should take, while considering factors which affect adoption during research planning, implementation, and testing of the farm level technologies.

Suggested Citation

  • Lutengano Mwinuka & Khamaldin Daud Mutabazi & Frieder Graef & Stefan Sieber & Jeremia Makindara & Anthony Kimaro & Götz Uckert, 2017. "Simulated willingness of farmers to adopt fertilizer micro-dosing and rainwater harvesting technologies in semi-arid and sub-humid farming systems in Tanzania," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 9(6), pages 1237-1253, December.
    • Handle: RePEc:spr:ssefpa:v:9:y:2017:i:6:d:10.1007_s12571-017-0691-1
    DOI: 10.1007/s12571-017-0691-1
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    Cited by:

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    2. Martha Swamila & Damas Philip & Adam Meshack Akyoo & Stefan Sieber & Mateete Bekunda & Anthony Anderson Kimaro, 2020. "Gliricidia Agroforestry Technology Adoption Potential in Selected Dryland Areas of Dodoma Region, Tanzania," Agriculture, MDPI, vol. 10(7), pages 1-17, July.
    3. Todd Benson & Tewodaj Mogues, 2018. "Constraints in the fertilizer supply chain: evidence for fertilizer policy development from three African countries," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 10(6), pages 1479-1500, December.
    4. Martha Swamila & Damas Philip & Adam Meshack Akyoo & Julius Manda & Lutengano Mwinuka & Philip J. Smethurst & Stefan Sieber & Anthony Anderson Kimaro, 2021. "Profitability of Gliricidia-Maize System in Selected Dryland Areas of Dodoma Region, Tanzania," Sustainability, MDPI, vol. 14(1), pages 1-13, December.
    5. Monjardino, M. & Philp, J.N.M. & Kuehne, G. & Phimphachanhvongsod, V. & Sihathep, V. & Denton, M.D., 2020. "Quantifying the value of adopting a post-rice legume crop to intensify mixed smallholder farms in Southeast Asia," Agricultural Systems, Elsevier, vol. 177(C).
    6. Charles Peter Mgeni & Klaus Müller & Stefan Sieber, 2018. "Sunflower Value Chain Enhancements for the Rural Economy in Tanzania: A Village Computable General Equilibrium-CGE Approach," Sustainability, MDPI, vol. 11(1), pages 1-22, December.
    7. Pamela Richardson-Ngwenya & Maria Höhne & Brigitte Kaufmann, 2018. "Participatory problem analysis of crop activities in rural Tanzania with attention to gender and wealth: ‘setting the scene’ to enhance relevance and avoid exclusion in pro-poor innovation projects," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 10(4), pages 859-880, August.
    8. Michael Brüntrup & Fabian Schwarz & Thomas Absmayr & Jonas Dylla & Franziska Eckhard & Kerstin Remke & Konrad Sternisko, 2018. "Nucleus-outgrower schemes as an alternative to traditional smallholder agriculture in Tanzania – strengths, weaknesses and policy requirements," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 10(4), pages 807-826, August.
    9. Elizabeth Eldridge & Marie-Eve Rancourt & Ann Langley & Dani Héroux, 2022. "Expanding Perspectives on the Poverty Trap for Smallholder Farmers in Tanzania: The Role of Rural Input Supply Chains," Sustainability, MDPI, vol. 14(9), pages 1-34, April.

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