About OHARA KOTARO
About 三重県大 生物資源
About 農業普及研究
About paddy field
About agricultural management
About behavior(manner)
About sociology
About land use
About science and technology
About cooperation
About collaboration
About 経営社会学
About agricultural technology
About popularization activity
About Engineering education,extention
About Agricultural economy,agricultural management
About Rice cropping
About 水田農業
About 経営
About 普及活動
About 手法
About 社会学
About 観点