About KUBOTERA HIDEO
About 農業・食品産業技術総合研究機構 中央農業研究セ
About 砂糖類・でん粉情報
About potato
About common scab
About soil management
About soil acidity
About pH
About rapid analysis
About Brief measure
About pH(KCl)
About simple assay
About standard value
About 土壌酸性管理
About potato
About Tubers(=corms)
About Soil management
About ばれいしょ
About 畑
About 土壌
About 酸性
About pH
About 簡易測定法