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    Assessment of sustainable land use: linking land management practices to sustainable land use indicators

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    Journal Article (2.853Mb)
    Date
    2021
    Author
    Nziguheba, G.
    Adewopo, J.
    Masso, C.
    Nabahungu, N.L.
    Six, J.
    Sseguya, H.
    Taulya, G.
    Vanlauwe, B.
    Type
    Journal Article
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Land degradation threatens food production especially in smallholder farming systems predominant in sub-Saharan Africa. Monitoring the effects of agricultural land uses is critical to guide sustainable intensification (SI). There are various indicators of sustainable land use (SLU), but conventional methods to quantify their metrics are complex and difficult to deploy for rapid and large-scale assessments. Considering that SLU indicators are dependent on agricultural practices, which can be rapidly identified and quantified, we propose a framework for SLU assessment that includes indirect quantifications of prioritized indicators (crop productivity, soil organic carbon (SOC), acidification, erosion, nutrient balance) using agricultural practices; and a SLU index derived from the integration of these indicators. The application of the framework to a case study, consisting of 1319 farm plots in Tanzania, reveals that SOC and N balance were the main contributors to the SLU gap. Only 2.2% of the plots qualified as being used sustainably. The framework proved to be sensitive to practices commonly used by farmers, thus providing an opportunity to identify practices needed to revert land degradation. Further application of the framework as a decision-support tool can enhance the efficiency of SI investments, by targeting practices which effectively enhance food production and preserve land.
    Acknowledgements
    We extend our gratitude to all farmers who participate in the interview. We thank Henry Mwololo for his support in data processing. We are grateful to the Belgium Directorate General for Development Cooperation, the International Fund for Agricultural Development, and the Bill and Melinda Gates Foundation for support to projects covering sustainable land use activities. The case study was hosted by Africa RISING-NAFAKA partnership project funded by USAID Feed the Future program.
    http://dx.doi.org/10.1080/14735903.2021.1926150
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/7135
    IITA Authors ORCID
    Generose Nziguhebahttps://orcid.org/0000-0003-4227-2242
    Julius Adewopohttps://orcid.org/0000-0003-4831-2823
    Cargele Massohttps://orcid.org/0000-0002-3980-6832
    Nsharwasi Nabahunguhttps://orcid.org/0000-0002-2104-3777
    Haroon Sseguyahttps://orcid.org/0000-0001-9963-3147
    Godfrey Taulyahttps://orcid.org/0000-0002-5690-0492
    bernard vanlauwehttps://orcid.org/0000-0001-6016-6027
    Digital Object Identifier (DOI)
    http://dx.doi.org/10.1080/14735903.2021.1926150
    Research Themes
    Natural Resource Management; Plant Production and Health
    IITA Subjects
    Crop Husbandry; Crop Systems; Soil Fertility
    Agrovoc Terms
    Acidification; Erosion; Crops; Soils; Carbon; Crop Production; Sustainable Land Use
    Regions
    Africa; East Africa
    Countries
    Ethiopia
    Hubs
    Eastern Africa Hub; Central Africa Hub
    Journals
    International Journal of Agricultural Sustainability
    Collections
    • Journal and Journal Articles4835
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