About ICHIYANAGI KIMPEI
About 熊本大学大学院先端科学研究部
About IZUMI TARO
About 熊本大学理学部 (現:株式会社アソウ・アルファ)
About UESUGI TAKAYUKI
About 熊本大学大学院先端科学研究部
About SUZUKI YAEKO
About 国立研究開発法人・農研機構・食品研究部門・食品分析研究領域
About 日本水文科学会誌
About paddy field
About material balance
About nitrogen
About Kumamoto prefecture
About cultivation
About soil water
About anion
About nitrate
About groundwater
About soil organic matter
About pesticide
About 自然栽培
About nitrate ion
About nitrogen balance
About 自然栽培
About 水田
About 窒素収支
About 安定同位体
About naturally-farmed paddy field
About nitrogen budget
About nitrogen source
About stable isotopes
About Soil fertility
About 栽培
About 水田
About 窒素収支
About 窒素
About 起源