About YAGI HIRONORI
About ASHIDA TOSHIFUMI
About 農業経営研究
About agricultural management
About agricultural economy
About agricultural policy
About farm land
About paddy field
About paddy rice
About scale
About complementation
About verification
About Hiroshima prefecture
About intermediate and mountainous area
About settlement
About case study
About sloping land
About agricultural road
About border
About introduction of case
About Agricultural economy,agricultural management
About Rice cropping
About 畦畔管理
About 水田
About 経営規模
About 補完性
About 検証
About 広島
About 中山間地域
About 集落