@article{oai:u-ryukyu.repo.nii.ac.jp:02006014, author = {鎮西, 忠茂 and Chinzei, Tadashige}, issue = {29}, journal = {琉大農家便り}, note = {紀要論文}, pages = {6--9}, title = {土と植物と動物 -植物と動物の必須元素のはなし-} }