About ANDO H
About Yamagata Univ., Tsukuba, JPN
About MIHARA C
About Yamagata Univ., Tsukuba, JPN
About KAKUDA K
About Yamagata Univ., Tsukuba, JPN
About WADA G
About Nippon Koei Co., Ltd., Tokyo, JPN
About Soil Science and Plant Nutrition
About paddy field
About Soil chemistry
About Fertilizer application and efficiency
About 水稲
About アンモニウム態窒素
About 挙動
About ゼオライト