About NISHIMURA Syusaku
About Yamaguchi Univ., Yamaguchi, JPN
About HIROTA Tomoki
About Yamaguchi Univ., Yamaguchi, JPN
About HIRAHARA Osamu
About Yamaguchi Univ., Yamaguchi, JPN
About SHINDO Haruo
About Yamaguchi Univ., Yamaguchi, JPN
About Soil Science and Plant Nutrition
About volcanic ash soil
About humic acid
About fulvic acid
About carbonization (chemical reaction)
About char
About quantitative analysis
About soil component
About medium (culture)
About oxidation
About decomposition reaction
About soil organic matter
About oxidative decomposition
About gravity separation
About Soil chemistry
About 日本
About 火山灰土
About フミン酸
About フルボ酸
About 炭
About 植物
About 断片