著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Shin-Ichiro Wada and Koji Odahara and Noriaki Gunjikake,Empirical equations for prediction of major cation concentrations in soil solution using concentrations in water extracts,Soil science & plant nutrition,00380768,Tokyo : Japanese Society of Soil Science and Plant Nutrition,2006-06,52,3,257-263,https://cir.nii.ac.jp/crid/1523669555673475456,