@article{oai:ir.kagoshima-u.ac.jp:00000404, author = {SHINAGAWA, Akio and MIYAUCHI, Nobufumi and HIGASHI, Teruo and DJUWANSAH, Muhamad Rahman and SULE, Achmad}, journal = {Memoirs of the Faculty of Agriculture, Kagoshima University}, month = {2016-10-27}, pages = {169--176}, title = {The Soils on the Krakatau Islands : IV.Accumulation and Composition of Humus}, volume = {22}, year = {} }