Effects of subsurface irrigation on some soil physical and chemical properties
| Project/Area Number |
22880004
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| Research Category |
Grant-in-Aid for Research Activity Start-up
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| Allocation Type | Single-year Grants |
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| Research Field |
Irrigation, drainage and rural engineering/Rural planning
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| Research Institution | Iwate University |
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Principal Investigator |
MUTO Yoshiko 岩手大学, 農学部, 講師 (30422512)
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| 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)
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| 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.
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Report
(3 results)
Research Products
(2 results)
