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Methods to Achieve Efficient and Sustainable Irrigated Agriculture through Farmer Participatory Irrigation Management in Developing Countries

Research Project

Project/Area Number 19K06288
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 41030:Rural environmental engineering and planning-related
Research InstitutionUniversity of Tsukuba

Principal Investigator

Ishii Atsushi  筑波大学, 生命環境系, 教授 (90222926)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords灌漑管理 / 水田 / 水利組織 / 水利費 / 開発途上国 / 水田灌漑 / 土地改良区 / アフリカ / 灌漑排水 / 水収支 / PIM / 農業生産性
Outline of Research at the Start

本研究は、近年、水田を中心とした灌漑開発が進められているウガンダ共和国を対象とし、灌漑水利組織の構成や灌漑管理方式の違いが農民への配水におよぼす影響を実証的に明らかにし、そこから、開発途上国で新たに開発される灌漑事業地区において、農民間の平等配水および高い水利費徴収率を実現するための、PIM方式の灌漑管理の必要条件を明らかにし、現在のPIM方式による灌漑管理の改善点を提案する。

Outline of Final Research Achievements

I sought the actual situation of water allocation management of a farmer-participatory democratic irrigation water use organization in a newly developed large-scale paddy irrigation district in the Republic of Uganda, a developing country, and examined the conditions for irrigation management to achieve equitable and efficient water use.
It was found that the number of rice paddies with unstable water supply increased in farmer-participatory irrigation districts and the yield of the entire district decreased by about 10% compared to top-down irrigation management districts. It was also found that water supply was unstable downstream at both the trunk and branch canal levels, resulting in stagnant yields. It was also argued that water allocation consultations among subordinate water users could encourage cooperation among farmers in the water users' organizations and realize equal water allocation for the entire district.

Academic Significance and Societal Importance of the Research Achievements

開発途上国では食料不足問題対策として大規模水田灌漑事業が行われているが、水利施設建設後の灌漑用水の配水管理が不十分で、灌漑投資に対して十分な生産物を得られていない。
本研究は灌漑地区内の3000以上ある水田群の不平等な配水状況を、面的に推定した初めての研究で、灌漑管理問題解決に必須の基本データを提供している。また、日本の灌漑管理組織との比較等により、灌漑地区内の下位の水路レベルの水利組織同士が配水について協議することで、下位の水利組織内の農民の協力関係が強化され、地区全体の平等配水が実現する可能性を論じており、今後の途上国の灌漑開発に有益な研究成果をあげている。

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (11 results)

All 2021 2020 2019

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (9 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Japanese Irrigation Management at the Crossroads2021

    • Author(s)
      Masayoshi Satoh, Atsushi Ishii
    • Journal Title

      Water Alternatives

      Volume: 14(2) Pages: 413-434

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A comparative analysis of two paddy irrigation schemes under contrasting water management of participatory and top-down systems in Uganda2019

    • Author(s)
      Paul Ayella, Atsushi Ishii, Masayoshi Satoh
    • Journal Title

      paddy and water environment

      Volume: 17 Issue: 3 Pages: 497-505

    • DOI

      10.1007/s10333-019-00745-y

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Presentation] An analysis of a joint water management in a large rice paddy irrigation scheme in Uganda2021

    • Author(s)
      Paul Ayella, ISHII Atsushi, SATOH Masayoshi
    • Organizer
      農業農村工学会大会講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] An analysis of role sharing between Government and WUA in water distribution management in a large rice paddy irrigation scheme in Uganda2021

    • Author(s)
      Paul Ayella, ISHII Atsushi, SATOH Masayoshi
    • Organizer
      PAWEES 2021 International Conference
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 企業的大規模稲作経営体の圃場水管理におけるムラとの調整2021

    • Author(s)
      野ちぐさ, 石井敦, 佐藤政良
    • Organizer
      農業農村工学会大会講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] An analysis of characteristics and effects of a water reuse system installed in a large paddy irrigation scheme in Japan2021

    • Author(s)
      EKPELIKPEZE Adonis, KAMIMURA Ryohei, AYELLA Paul , ISHII Atsushi
    • Organizer
      農業農村工学会大会講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] ウガンダ国における大規模谷地田の水利特性と生産性向上のための課題2020

    • Author(s)
      ポール・アエラ,石井 敦、佐藤政良
    • Organizer
      農業農村工学会大会講演会
    • Related Report
      2020 Research-status Report
  • [Presentation] An analysis of Yachida paddy fields in Uganda from a view point of water management conditions and challenges for higher rice production2020

    • Author(s)
      Paul Ayella, ISHII Atsushi, SATOH Masayoshi
    • Organizer
      農業農村工学会大会講演会
    • Related Report
      2019 Research-status Report
  • [Presentation] 大規模水田灌漑地区におけるムラの用水需要と配水調整2020

    • Author(s)
      丹野ちぐさ,石井敦
    • Organizer
      農業農村工学会大会講演会
    • Related Report
      2019 Research-status Report
  • [Presentation] 「個別従量制」水利費賦課地区における農家水田灌漑用水使用実態分析2019

    • Author(s)
      北原陽光,石井敦
    • Organizer
      農業農村工学会関東支部大会講演会
    • Related Report
      2019 Research-status Report
  • [Presentation] 巨大区画水田に付帯する圃場水利施設整備考え方2019

    • Author(s)
      石井敦
    • Organizer
      農業農村工学会大会講演会
    • Related Report
      2019 Research-status Report

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Published: 2019-04-18   Modified: 2023-01-30  

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