Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kikuchi Kentarou and Kobayashi Terukazu and Tanaka Hiromu and Ikeda Takuma and Nakamaru Yasuo and Itoh Hirotake and Kasajima Shinya and Yoshida Hozumi,Cultivation of Potato (Solanum tuberrosum) without Phosphorus and Potassium Fertilization in Abashiri Area,Japanese Journal of Crop Science,0011-1848,CROP SCIENCE SOCIETY OF JAPAN,2012,81,4,404-413,https://cir.nii.ac.jp/crid/1390001204286950656,https://doi.org/10.1626/jcs.81.404