About HARADA H
About National Grassland Res. Inst., Tochigi, JPN
About YOSHIMURA Y
About National Grassland Res. Inst., Tochigi, JPN
About SUNAGA Y
About National Grassland Res. Inst., Tochigi, JPN
About HATANAKA T
About National Grassland Res. Inst., Tochigi, JPN
About Soil Science and Plant Nutrition
About Sorghum
About Forage crops,pasture
About Plant nutrition
About ソルガム
About 窒素吸収
About 硝酸態窒素
About 変異