@article{oai:obihiro.repo.nii.ac.jp:00004746, 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.02}, pages = {64--65}, title = {穴を掘るためのコツ : 傾斜と作業方向に対して垂直に、太陽の光も意識}, volume = {68}, year = {2021} }