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Spatial Pattern of Agricultural Productivity Trends in Malawi

Author

Listed:
  • Leah M. Mungai

    (Department of Geography, Environment and Spatial Sciences, and Center for Global Change and Earth Observations, Michigan State University, East Lansing, MI 48823, USA)

  • Joseph P. Messina

    (College of Arts and Sciences, The University of Alabama, Tuscaloosa, AL 35487, USA)

  • Sieglinde Snapp

    (Department of Plant, Soil and Microbial Sciences, and Center for Global Change and Earth Observations, Michigan State University, East Lansing, MI 48823, USA)

Abstract

This study aims to assess spatial patterns of Malawian agricultural productivity trends to elucidate the influence of weather and edaphic properties on Moderate Resolution Imaging Spectroradiometer (MODIS)-Normalized Difference Vegetation Index (NDVI) seasonal time series data over a decade (2006–2017). Spatially-located positive trends in the time series that can’t otherwise be accounted for are considered as evidence of farmer management and agricultural intensification. A second set of data provides further insights, using spatial distribution of farmer reported maize yield, inorganic and organic inputs use, and farmer reported soil quality information from the Malawi Integrated Household Survey (IHS3) and (IHS4), implemented between 2010–2011 and 2016–2017, respectively. Overall, remote-sensing identified areas of intensifying agriculture as not fully explained by biophysical drivers. Further, productivity trends for maize crop across Malawi show a decreasing trend over a decade (2006–2017). This is consistent with survey data, as national farmer reported yields showed low yields across Malawi, where 61% (2010–11) and 69% (2016–17) reported yields as being less than 1000 Kilograms/Hectare. Yields were markedly low in the southern region of Malawi, similar to remote sensing observations. Our generalized models provide contextual information for stakeholders on sustainability of productivity and can assist in targeting resources in needed areas. More in-depth research would improve detection of drivers of agricultural variability.

Suggested Citation

  • Leah M. Mungai & Joseph P. Messina & Sieglinde Snapp, 2020. "Spatial Pattern of Agricultural Productivity Trends in Malawi," Sustainability, MDPI, vol. 12(4), pages 1-22, February.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:4:p:1313-:d:319296
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    Cited by:

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    2. Haonan Zhang & Zheng Chen & Jieyong Wang & Haitao Wang & Yingwen Zhang, 2023. "Spatial-Temporal Pattern of Agricultural Total Factor Productivity Change (Tfpch) in China and Its Implications for Agricultural Sustainable Development," Agriculture, MDPI, vol. 13(3), pages 1-17, March.
    3. Maggio, Giuseppe & Veljanoska, Stefanija, 2021. "Would you rather stay? Agricultural Subsidies and Household Migration in Malawi," 2021 Annual Meeting, August 1-3, Austin, Texas 314041, Agricultural and Applied Economics Association.
    4. Sally Sonia Simmons & John Elvis Hagan & Thomas Schack, 2022. "Then and Now: Investigating Anthropometrics and Child Mortality among Females in Malawi," IJERPH, MDPI, vol. 19(10), pages 1-17, May.

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