About ASAGI Naomi
About Ehime Univ., Ehime, JPN
About UENO Hideto
About Ehime Univ., Ehime, JPN
About Plant and Soil
About paddy rice
About paddy soil
About green manure
About organic fertilization
About nitrogen
About nitrogen 15
About organic nitrogen
About material dynamics in soil
About tillage
About plant availability
About crop yield
About Trifolium repens
About Vicia
About Vicia villosa
About plowing-in
About nitrogen dynamics
About Rice cropping
About Fertilizer application and efficiency
About Soil chemistry
About 標識
About 緑肥
About 水田土
About 窒素動態