@article{oai:obihiro.repo.nii.ac.jp:00004773,
 author = {Tani, Masayuki and 谷, 昌幸},
 issue = {5},
 journal = {ニューカントリー},
 month = {May},
 note = {application/pdf, 土壌断面に学ぶ 　No.14},
 pages = {58--59},
 title = {あまり黒くない淡色黒ボク土もある　：　火山灰が母材で軟らかくて軽く、ごぼうやながいも栽培に最適},
 volume = {69},
 year = {2022}
}