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Soil management practices of farmers in the Kāneʻohe Bay watershed and potential for implementing algae-based soil amendments

Frederick Reppun,J. Syvertsen,Jay F. Martin,J. Deenik,C. Hoy

Published 2020 in Agroecology and Sustainable Food Systems

ABSTRACT

ABSTRACT In Kāne’ohe Bay, Hawai‘i, efforts were made to mitigate invasive marine algae and repurpose it as an agricultural resource. We used interviews and participant observation with farmers to analyze possible benefits and tradeoffs of adopting algal soil inputs, with attention to labor patterns, nutrient sources and efficiency, soil health, and productivity. Conventional and organic growers were interested in composted algae to improve soil organic matter, and the fertilizer value of liquid anaerobic digestate, but algal levels declined unexpectedly. Should levels resurge, organizations that conduct boundary work between farmers and conservation agencies will enable its wider use as a soil amendment.

PUBLICATION RECORD

  • Publication year

    2020

  • Venue

    Agroecology and Sustainable Food Systems

  • Publication date

    2020-09-14

  • Fields of study

    Agricultural and Food Sciences, Environmental Science

  • Identifiers
    DOI 10.1080/21683565.2020.1813233
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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