Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KINJO Kazutoshi and TOKASHIKI Yoshihiro and KITOU Makoto,"Chemical and Mineralogical Properties and Humic Substances of Soils Cultivated with Sugarcane in Kita and Minami Daito Islands, Japan",Research for Tropical Agriculture,18828434,Japanese Society for Tropical Agriculture,2009,2,2,80-84,https://cir.nii.ac.jp/crid/1390282680273733888,https://doi.org/10.11248/nettai.2.80