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Effects of subsurface irrigation on some soil physical and chemical properties

Research Project

Project/Area Number 22880004
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Irrigation, drainage and rural engineering/Rural planning
Research InstitutionIwate University

Principal Investigator

MUTO Yoshiko  岩手大学, 農学部, 講師 (30422512)

Project Period (FY) 2010 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥3,003,000 (Direct Cost: ¥2,310,000、Indirect Cost: ¥693,000)
Fiscal Year 2011: ¥1,365,000 (Direct Cost: ¥1,050,000、Indirect Cost: ¥315,000)
Fiscal Year 2010: ¥1,638,000 (Direct Cost: ¥1,260,000、Indirect Cost: ¥378,000)
Keywords地下灌漑 / 水田土壌 / 窒素動態 / 温暖化ガス / 水田の汎用化 / 酸化還元電位 / 水田の汎用
Research Abstract

Along with the extension of rotational paddy filed through subsurface irrigation system, estimating carbon and nitrogen dynamics in the paddy soils is getting important. We perform several column experiments to investigate change in redox potential in soil with solute and water flow. The change in redox potential was summarized based on the flow rate and solute concentration. For the evaporation process, the response time and changing rate of soil redox potential against the air penetration were clarified.

Report

(3 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report
  • Research Products

    (2 results)

All 2011

All Presentation (2 results)

  • [Presentation] 蒸発過程にある土中の酸化還元電位の変化2011

    • Author(s)
      武藤由子、加藤希枝、渡辺晋生
    • Organizer
      H23年度農業農村工学会大会
    • Place of Presentation
      九州大学(福岡市)
    • Year and Date
      2011-09-07
    • Related Report
      2011 Final Research Report
  • [Presentation] 蒸発過程にある土中の酸化還元電位の変化2011

    • Author(s)
      武藤由子
    • Organizer
      農業農村工学会
    • Place of Presentation
      九州大学(福岡市)
    • Year and Date
      2011-09-07
    • Related Report
      2011 Annual Research Report

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Published: 2010-08-27   Modified: 2016-05-20  

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