About NISHIMURA Taku
About Tokyo Univ. Agriculture and Technol., Tokyo, JPN
About YAMAMOTO Tahei
About Tottori Univ., Tottori, JPN
About SUZUKI Sozo
About Tokyo Univ. Agriculture and Technol., Tokyo, JPN
About KATO Makoto
About Tokyo Univ. Agriculture and Technol., Tokyo, JPN
About Soil Science and Plant Nutrition
About acid soil
About マージ土
About Soil management
About 酸性
About 国頭マージ
About 侵食性
About 石膏
About ポリアクリルアミド