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Exploring the Adoption and Impact of Conservation Agriculture among Smallholder Farmers in Semi-Arid Areas: Evidence from Chamwino District, Tanzania

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  • Selya, Noel Yared
  • Dimoso, Provident
  • Mgale, Yohana James

Abstract

The adoption of Conservation Agriculture (CA) technologies by smallholder farmers is expected to affect agricultural productivity and ultimately improve food security and farm incomes. However, there is still limited empirical evidence on the adoption and effects of CA technologies among smallholder farmers in the semi-arid areas of Tanzania. This study was designed to assess the adoption of CA by smallholder farmers in semi-arid areas. The study used a cross-sectional survey design in four villages in Chamwino districts where CA projects are promoted. A random sample of 260 households was interviewed in this study, including 134 CA adopters and 126 non-CA adopters. Data were collected and analyzed using KoBo and SPSS statistics respectively. Descriptive statistics were used to examine extension approaches applied and analyze the extent of CA adoptions. A logistic regression model explored the determinants influencing farmers’ decisions to adopt CA. In addition, two independent samples t-tests were used to calculate the effect of CA adoption on crop yields and farm incomes. The results show that robust extension services led to a better quality of CA practices on CA farms. Gender, access to extension services, access to agricultural inputs, participation in farmer groups, and access to credit for agriculture significantly influence the adoption of CA. CA adopters achieved better average crop yields and higher farm income per unit area than those who did not adopt CA. Thus, the study recommends that the government and other development actors devote more resources to agricultural extension services and mechanization to support and increase the scaling up of CA technologies. There is also a need to establish and strengthen monitoring and evaluation systems to ensure coherence, impact and sustainability of CF programs in semi-arid areas of Tanzania.

Suggested Citation

  • Selya, Noel Yared & Dimoso, Provident & Mgale, Yohana James, 2023. "Exploring the Adoption and Impact of Conservation Agriculture among Smallholder Farmers in Semi-Arid Areas: Evidence from Chamwino District, Tanzania," Research on World Agricultural Economy, Nan Yang Academy of Sciences Pte Ltd (NASS), vol. 4(2), June.
    • Handle: RePEc:ags:reowae:335356
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    References listed on IDEAS

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    1. Msafiri Y. Mkonda & Xinhua He, 2017. "Yields of the Major Food Crops: Implications to Food Security and Policy in Tanzania’s Semi-Arid Agro-Ecological Zone," Sustainability, MDPI, vol. 9(8), pages 1-16, August.
    2. Njabulo Lloyd Ntshangase & Brian Muroyiwa & Melusi Sibanda, 2018. "Farmers’ Perceptions and Factors Influencing the Adoption of No-Till Conservation Agriculture by Small-Scale Farmers in Zashuke, KwaZulu-Natal Province," Sustainability, MDPI, vol. 10(2), pages 1-16, February.
    3. Sara Kaweesa & Saidi Mkomwa & Willibald Loiskandl, 2018. "Adoption of Conservation Agriculture in Uganda: A Case Study of the Lango Subregion," Sustainability, MDPI, vol. 10(10), pages 1-13, September.
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