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Minimum tillage uptake and uptake intensity by smallholder farmers in Zambia

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  • Ngoma, Hambulo
  • Mulenga, Brian P.
  • Jayne, Thomas S.

Abstract

Minimum tillage has been promoted for about two decades as a way to conserve soils and to increase agricultural productivity in Zambia and sub-Saharan Africa. However, the extent of its uptake by smallholder farmers remains debatable. This paper assesses factors influencing the uptake and uptake intensity of minimum tillage, using large household survey data for the period 2010 to 2014 in Zambia. We apply double-hurdle models to account for corner solution outcomes resulting from the limited uptake of minimum tillage. Less than 5% and 10% of smallholders used minimum tillage per year as the main tillage method at the national level and in the top 10 districts with the highest use rates respectively. Low seasonal rainfall and being in districts where minimum tillage has been promoted for over 10 years increase the likelihood of minimum tillage uptake and uptake intensity, but not for all its components. These results have implications for targeting future programmes aimed at promoting minimum tillage.

Suggested Citation

  • Ngoma, Hambulo & Mulenga, Brian P. & Jayne, Thomas S., 2016. "Minimum tillage uptake and uptake intensity by smallholder farmers in Zambia," African Journal of Agricultural and Resource Economics, African Association of Agricultural Economists, vol. 11(4), pages 1-14, December.
    • Handle: RePEc:ags:afjare:252456
    DOI: 10.22004/ag.econ.252456
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    Cited by:

    1. Ola Tveitereid Westengen & Progress Nyanga & Douty Chibamba & Monica Guillen-Royo & Dan Banik, 2018. "A climate for commerce: the political agronomy of conservation agriculture in Zambia," Agriculture and Human Values, Springer;The Agriculture, Food, & Human Values Society (AFHVS), vol. 35(1), pages 255-268, March.
    2. Ngoma, Hambulo & Angelsen, Arild, 2018. "Can conservation agriculture save tropical forests? The case of minimum tillage in Zambia," Forest Policy and Economics, Elsevier, vol. 97(C), pages 153-162.
    3. Wondimagegn Tesfaye & Garrick Blalock & Nyasha Tirivayi, 2021. "Climate‐Smart Innovations and Rural Poverty in Ethiopia: Exploring Impacts and Pathways," American Journal of Agricultural Economics, John Wiley & Sons, vol. 103(3), pages 878-899, May.
    4. Ngoma, Hambulo & Pelletier, Johanne & Mulenga, Brian P. & Subakanya, Mitelo, 2021. "Climate-smart agriculture, cropland expansion and deforestation in Zambia: Linkages, processes and drivers," Land Use Policy, Elsevier, vol. 107(C).
    5. Mulenga, Brian P. & Hadunka, Protensia & Richardson, Robert B., 2017. "Rural households’ participation in charcoal production in Zambia: Does agricultural productivity play a role?," Journal of Forest Economics, Elsevier, vol. 26(C), pages 56-62.
    6. Hambulo Ngoma, 2018. "Does minimum tillage improve the livelihood outcomes of smallholder farmers in Zambia?," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 10(2), pages 381-396, April.

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