著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Ian Ausa Navarrete and Kiyoshi Tsutsuki,"Land-use impact on soil carbon, nitrogen, neutral sugar composition and related chemical properties in a degraded Ultisol in Leyte, Philippines",Soil science & plant nutrition,00380768,Tokyo : Japanese Society of Soil Science and Plant Nutrition,2008-06,54,3,321-331,https://cir.nii.ac.jp/crid/1521699230779184640,