About HIRADATE Syuntaro
About National Inst. for Agro-Environmental Sci., Ibaraki
About YONEZAWA Takuya
About Meiji Univ., Kanagawa, JPN
About TAKESAKO Hiroshi
About Meiji Univ., Kanagawa, JPN
About Soil Science and Plant Nutrition
About fulvic acid
About 固体 CPMAS 13C NMR
About Soil chemistry
About 吸着
About 沈殿法
About フルボ酸
About 画分
About 分別
About 精製