About KATO N
About National Inst. Agro-Environmental Sciences, Tsukuba, JPN
About OWA N
About National Inst. Agro-Environmental Sciences, Tsukuba, JPN
About Soil Science and Plant Nutrition
About sandy soil
About 土中水
About Soil chemistry
About 砂質土
About 埴質
About 燐酸
About 吸着
About 反応速度