Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ISHIKAWA Daitaro and ISHIGURO Etsuji and SEKIOKA Shin-ichi and OGAMI Shuichiro and HAKOYAMA Susumu and KAWAMITSU Yoshinobu,Fundamental study on the estimation of weight of tuberous root of sweet potato with spectral reflectance,Journal of Agricultural Meteorology,0021-8588,The Society of Agricultural Meteorology of Japan,2009,65,2,191-200,https://cir.nii.ac.jp/crid/1390282679644709632,https://doi.org/10.2480/agrmet.65.2.8