2023 Fiscal Year Final Research Report
Bio-Economic Farm Model for Evaluating Organic Agriculture and Direct Payments for Environmentally Friendly Agriculture
| Project/Area Number |
20K06260
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Review Section |
Basic Section 41010:Agricultural and food economics-related
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| Research Institution | The University of Shiga Prefecture |
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Principal Investigator |
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| Project Period (FY) |
2020-04-01 – 2024-03-31
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| Keywords | バイオエコノミックモデル / 有機農業 / 環境農業直接支払い / ライフサイクルアセスメント |
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| Outline of Final Research Achievements |
The present study examined whether organic rice was cultivated in Japanese rice farms under the direct payments for environmentally friendly agriculture. A bio-economic farm model with an economic objective function to be maximized and environmental objective functions to be minimized was built in the analysis. The environmental objective functions were made using the results of life cycle assessment. The results of multi-objective optimization show that organic rice production may be limited because it increases crop income but does not necessarily mitigate environmental impacts. Finally, improvements in the direct payments for environmentally friendly agriculture were suggested.
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| Free Research Field |
環境経済学
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| Academic Significance and Societal Importance of the Research Achievements |
本研究成果の学術的意義は，経済・環境両面を考慮した多目的最適化モデルを用いて，わが国の水田農業経営における有機水稲の導入可能性について定量的に明らかにしたことにある．また，本研究成果の社会的意義は，多目的最適化分析の結果に基づき，現行の環境保全型農業直接支払いの制度面での改善点について政策的示唆を与えたことにある．
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