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Proposal and practice of eco-friendly water and substance management considering yield and quality of rice in paddy area in Vietnam

Research Project

Project/Area Number 16H05799
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section海外学術
Research Field Rural environmental engineering/Planning
Research InstitutionKyoto University

Principal Investigator

Nakamura Kimihito  京都大学, 農学研究科, 准教授 (30293921)

Co-Investigator(Kenkyū-buntansha) 堀野 治彦  大阪府立大学, 生命環境科学研究科, 教授 (30212202)
大西 健夫  岐阜大学, 応用生物科学部, 准教授 (70391638)
大浦 典子  国立研究開発法人農業・食品産業技術総合研究機構, 農業環境変動研究センター, 室長・調整監・技術支援センター長等 (50354022)
米村 正一郎  国立研究開発法人農業・食品産業技術総合研究機構, 農業環境変動研究センター, 主席研究員 (20354128)
Research Collaborator QUANG Le Xuan  
HUNG Tran  
HAI Pham Thanh  
MATSUDA Soken  
KADOTA Kengo  
INAGAKI Fumiya  
KOMATSU Hirotaka  
FUKUDA Shinji  
HASEGAWA Kiyoshi  
HIRATA Junya  
KISHIMOTO AYAKA  
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥16,900,000 (Direct Cost: ¥13,000,000、Indirect Cost: ¥3,900,000)
Fiscal Year 2018: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2017: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2016: ¥8,060,000 (Direct Cost: ¥6,200,000、Indirect Cost: ¥1,860,000)
Keywords水田水管理 / 組織的水管理 / 間断灌漑 / ブロックローテーション灌漑 / 温室効果ガス / 酸化還元電位 / 湛水深 / ベトナム / 水・物質動態 / ケイ酸
Outline of Final Research Achievements

The wide-spread practice of water management for reducing greenhouse gases in paddy area is the important issue. We aimed to investigate the feasibility of intermittent irrigation by experimental block rotational irrigation system, which was achieved through the operation of irrigation pumps and sluice gates of water division works by the water management organization of the district.
The ponding depth was not controlled as initially planned because of frequent rainfall and low rate of decrease of the ponding depth in the study area. It was, however, confirmed that the period during which the ponding depth decreased below the soil surface was mostly longer. Methane emissions decreased with an increase in drying period. We proposed the schedule of ponding water depth management based on the measured temporal changes in soil redox potential. Additionally, we showed the optimal rice planting density for maximizing rice yield.

Academic Significance and Societal Importance of the Research Achievements

アジアの水田からの温室効果ガスの放出抑制は気候変動の緩和策として重要な課題である.水田でとくに問題となるメタンの放出を抑制するためには,非湛水期間を適宜設けることが大切となるため,適切な水管理(間断灌漑)が不可欠となる.しかし,収量や品質への影響の懸念から農家が積極的に取り組まない現状にある.本研究では,地区レベルでの組織的な水管理ができる仕組みを作り,個別農家が意識せず,地区レベルでの環境配慮型の管理が実践される可能性をベトナムにおいて実証した.今後,積極的な組織的水管理によって環境保全型農業が実現されることが期待できる.

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Annual Research Report
  • 2016 Annual Research Report
  • Research Products

    (14 results)

All 2019 2018 2017 2016 Other

All Int'l Joint Research (5 results) Journal Article (2 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results) Presentation (6 results) (of which Int'l Joint Research: 2 results) Remarks (1 results)

  • [Int'l Joint Research] Institute for Water and Environment/General Department of Irrigation/Thuyloi University(ベトナム)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] Institute for Water and Environment(ベトナム)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] Thuyloi University(ベトナム)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] Institute for Water and Environment(ベトナム)

    • Related Report
      2016 Annual Research Report
  • [Int'l Joint Research] Water Resources University(ベトナム)

    • Related Report
      2016 Annual Research Report
  • [Journal Article] Effect of organizational paddy water management by a water user group on methane and nitrous oxide emissions and rice yield in the Red River Delta, Vietnam2019

    • Author(s)
      Quang, L.X., K. Nakamura, T. Hung, N.V. Tinh, S. Matsuda, K. Kadota, H. Horino, P.T. Hai, H. Komatsu, K. Hasegawa, S. Fukuda, J. Hirata, N. Oura, A.W. Kishimoto-Mo, S. Yonemura, T. Onishi
    • Journal Title

      Agricultural Management

      Volume: 217 Pages: 179-192

    • DOI

      10.1016/j.agwat.2019.02.015

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] 湛水深管理による酸化還元電位制御とメタン放出抑制効果の検討2019

    • Author(s)
      松田壮顕,中村公人,門田健吾,堀野治彦,T. Hung,L.X. Quang,小松宏隆,P.T. Hai,大浦典子,岸本あやか,米村正一郎,川島茂人
    • Journal Title

      応用水文

      Volume: 31 Pages: 79-87

    • Related Report
      2018 Annual Research Report
  • [Presentation] 湛水深管理による酸化還元電位制御とメタン放出抑制効果の検討2018

    • Author(s)
      松田壮顕,中村公人,門田健吾,堀野治彦,Hung, T.,Quang, L.X.,小松宏隆, Hai, P.T.,大浦典子,岸本あやか,米村正一郎,川島茂人
    • Organizer
      第31回水文・水環境研究部会シンポジウム
    • Related Report
      2018 Annual Research Report
  • [Presentation] Effect of alternate wetting and drying paddy water management of on-farm level by water users’ group on methane emission in the Red River Delta, Vietnam2018

    • Author(s)
      Nakamura, K., Matsuda, S., Kadota, K., Horino, H., Hung, T.,Quang, L.X., Hai, P.T., Komatsu, H., Hasegawa, K., Fukuda, S., Hirata, J., Oura, N., Kishimoto-Mo, A.W., Yonemura, S. and Onishi, T.
    • Organizer
      PAWEES-INEPF International Conference 2018 Nara
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 栽植密度とケイ酸肥料の施用がイネの収量構成要素に及ぼす影響2018

    • Author(s)
      門田健吾,中村公人,堀野治彦,長谷川清善,小松宏隆,T. Hung, L.X. Quang, P.T. Hai,川島茂人
    • Organizer
      平成30年度農業農村工学会大会講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] ベトナム紅河流域における水田圃場からのメタン放出抑制のための水管理2018

    • Author(s)
      松田壮顕,中村公人,門田健吾,堀野治彦,T. Hung, L.X. Quang, P.T. Hai,小松宏隆,大浦典子,岸本あやか,米村正一郎,川島茂人
    • Organizer
      平成30年度農業農村工学会大会講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Characteristics of CH4 flux from paddy field adopting the intermitted irrigation technique during the winter-spring and summer-autumn seasons in the Red River Delta, Vietnam2017

    • Author(s)
      Inagaki, F., K. Nakamura, L.X. Quang, P.T. Hai, N.D. Ha, T. Hung, S. Fukuda, J. Hirata, H. Komatsu, N. Oura, S. Yonemura, A. W. Kishimoto-Mo
    • Organizer
      THA 2017 International Conference on "Water Management and Climate Change Towards Asia's Water-Energy-Food Nexus"
    • Place of Presentation
      Bangkok, Thailand
    • Year and Date
      2017-01-25
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] ベトナム紅河デルタの水田において栽植密度とケイ酸肥料施用が収量に及ぼす効果2016

    • Author(s)
      稲垣郁哉,中村公人,長谷川清善,福田真司,平田純也,小松宏隆, Le Xuan Quang,Pham Thanh Hai,Nguyen Dang Ha,Tran Hung
    • Organizer
      2016年度土壌物理学会大会
    • Place of Presentation
      京都大学農学部総合館
    • Related Report
      2016 Annual Research Report
  • [Remarks] ベトナム紅河地域における環境保全型の水田水管理

    • URL

      https://sites.google.com/site/kimihitonakamura/vietnam

    • Related Report
      2016 Annual Research Report

URL: 

Published: 2016-04-21   Modified: 2020-03-30  

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