| Project/Area Number |
25660181
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Agricultural science in rural society and development
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| Research Institution | Tokyo University of Agriculture and Technology |
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Principal Investigator |
Oikawa Yosei 東京農工大学, (連合)農学研究科(研究院), 助教 (70323756)
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| Research Collaborator |
LE Dinh Huong
LORN Vicheka
CHEA Theany
MACHIDA Takuto
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Keywords | バイオ炭 / 土壌改良 / 有機肥料 / ベトナム / カンボジア / ホームガーデン / 技術移転 / 農村開発 / 氾濫原 / もみ殻くん炭 / 堆肥 / 緑肥 / 有機農業 / 資源循環 / 技術普及 / 国際研究者交流 / 有機農園 / 農民参加 / 炭入りボカシ / 篤農技術 |
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| Outline of Final Research Achievements |
Case studies of skilled farmers and practitioners were made to learn appropriate soil management using livestock manure and biochars in tropical Asia such as Thailand, Indonesia, and Vietnam. Then, field and pot experiments using biochar amendment were made in Cambodia. We confirmed the potential of biochars made from local weed and rice husk for reducing chemical and organic fertilizer application while improving soil properties. Its application can be transferred as an appropriate soil management technology to other farmers in the neighboring regions. The case studies, however, suggest that we also need to consider the available biomass (crop residue, vegetation, manure, etc.), efficient utilization of limited water resource, appropriate pest and disease management, and related subjects for sustainable production.
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