About HARA YUTA
About 東大 大学院総合文化研究科
About HARA YUTA
About 東大 教養 教養教育高度化機構
About アグリバイオ
About drainage basin
About People's Republic of China
About sustainable agriculture
About agricultural management
About cereal
About soil erosion
About raising(livestock)
About Zea mays
About desertification
About deposited silt
About flood damage
About greening
About living standard
About cultivation
About Yellow River basin
About crop cultivation
About Millets
About Poverty
About Agricultural economy,agricultural management
About 中国
About 黄河流域
About 食
About 変容