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About YOKOYAMA SHIGEKI
About 国際農林水産業研究セ
About SAKURAI TAKESHI
About 日本農業経営学会研究大会報告要旨
About Republic of Madagascar
About irrigation
About cultivation
About paddy rice
About crop yield
About cultivation management
About fertilization (cultivation)
About industrial education
About Technology
About rice
About transaction
About Commercializing
About investigation
About rice cultivation
About irrigated agriculture
About SRI農法
About コメ売買行動
About マダガスカル中央高地
About 稲作生産
About technical training
About manuring practice
About listening comprehension investigation
About Agricultural economy,agricultural management
About Rice cropping
About マダガスカル
About 高地
About 灌漑
About 地域
About 稲作
About 農家
About コメ
About 売買
About 行動