About ITO HIROTAKE
About 東京農大 生物産業
About Hokkaido
About fall seeding wheat
About potato
About Beta vulgaris var.rapa
About granulated sugar
About potato starch
About beer
About Hordeum vulgare
About crop yield
About distribution
About root system
About Sea of Okhotsk
About cultivation management
About soil property
About 網走市
About Kitahonami
About 二条大麦
About distribution of root system
About Crop cultivation in general
About 地域
About 作物
About 管理体系
About 創出