About HIRADATE SHUNTARO
About OSHIMA MASATOSHI
About IDA NAOMI
About NISHIMURA TAKU
About 日本土壌肥料学会講演要旨集
About phosphate fertilizer
About fertilization(cultivation)
About analysis
About chemical property
About morphology(form)
About time course
About calcium superphosphate
About 31P NMR
About phosphoric acid
About Ibaraki prefecture
About chemical form
About dynamic analysis
About 熔リン
About Fertilizers in general
About Soil chemistry
About 固体
About NMR
About 施肥
About リン酸
About 動態解析