About OGAYA SAKI
About NISHIDA MIZUHIKO
About 農研機構 東北農業研究セ
About YASUDA KENTARO
About SHIRATO KOJI
About KANETA YOSHIHIRO
About SATO TAKASHI
About TAKASHINA FUMIAKI
About 日本土壌肥料学会講演要旨集
About Glycine max
About Vicia
About Oryza sativa
About nitrogen
About green manure
About rotational upland field
About nitrogen 15
About labeling method
About paddy soil
About ammonium sulfate
About Vicia villosa
About stable isotope labeling
About nitrogen dynamics
About Soil chemistry
About Fertilizer application and efficiency
About Crop cultivation in general
About 排水
About 転換畑
About 緑肥
About 植物
About 籾殻
About 暗渠
About 大豆
About エダマメ
About 多収
About ダイズ
About 作付
About ヘアリーベッチ
About イネ
About 窒素動態