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A scoping review of research funding for small-scale farmers in water scarce regions

Author

Listed:
  • Vincent Ricciardi

    (University of British Columbia
    University of British Columbia)

  • Abdrahmane Wane

    (International Livestock Research Institute
    Université de Montpellier)

  • Balsher Singh Sidhu

    (University of British Columbia
    University of British Columbia)

  • Cecile Godde

    (Commonwealth Scientific and Industrial Research Organisation)

  • Divya Solomon

    (University of Michigan)

  • Ellen McCullough

    (University of Georgia)

  • Florian Diekmann

    (The Ohio State University)

  • Jaron Porciello

    (Cornell University)

  • Meha Jain

    (University of Michigan)

  • Nicola Randall

    (Harper Adams University)

  • Zia Mehrabi

    (University of British Columbia
    University of British Columbia)

Abstract

Water scarcity is a global issue that disproportionately affects small-scale farmers in low- and middle-income countries (LMICs). Through geospatial analysis, we estimated that less than 37% of small-scale farms probably have irrigation in water scarce regions across LMICs, compared with 42% of non-small-scale farms. Through a literature synthesis assisted by machine learning, we then systematically mapped the existing research for on-farm interventions that improve the incomes or yields of small-scale farmers in water scarce regions. We mapped over 888 on-farm interventions used to combat water scarcity from 560 publications and showed a research bias towards yields rather than livelihoods. We found gaps in evidence for many commonly proposed solutions, including livestock management, digital technology and solutions to protect natural resources at the farm-level, such as buffer strips. Our findings can be used to set a funding agenda for research on the geographies that are most at risk of water scarcity and the interventions that most lack evidence.

Suggested Citation

  • Vincent Ricciardi & Abdrahmane Wane & Balsher Singh Sidhu & Cecile Godde & Divya Solomon & Ellen McCullough & Florian Diekmann & Jaron Porciello & Meha Jain & Nicola Randall & Zia Mehrabi, 2020. "A scoping review of research funding for small-scale farmers in water scarce regions," Nature Sustainability, Nature, vol. 3(10), pages 836-844, October.
    • Handle: RePEc:nat:natsus:v:3:y:2020:i:10:d:10.1038_s41893-020-00623-0
    DOI: 10.1038/s41893-020-00623-0
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    Cited by:

    1. Kafle, Kashi & Balasubramanya, Soumya, 2021. "Irrigation for Reducing Food Insecurity: The Case of Niger," 2021 Conference, August 17-31, 2021, Virtual 315099, International Association of Agricultural Economists.
    2. Lioutas, Evagelos D. & Charatsari, Chrysanthi & De Rosa, Marcello, 2021. "Digitalization of agriculture: A way to solve the food problem or a trolley dilemma?," Technology in Society, Elsevier, vol. 67(C).
    3. Malte Toetzke & Nicolas Banholzer & Stefan Feuerriegel, 2022. "Monitoring global development aid with machine learning," Nature Sustainability, Nature, vol. 5(6), pages 533-541, June.

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