@article{oai:obihiro.repo.nii.ac.jp:00004615,
 author = {Tani, Masayuki and 谷, 昌幸},
 issue = {1},
 journal = {ニューカントリー},
 month = {Jan},
 note = {application/pdf, 土の「基本」に立ち返る No. 22},
 pages = {90--91},
 title = {土に蓄積するリン酸：有効態はわずか3-5％で「氷山の一角」},
 volume = {67},
 year = {2020}
}