About NAKAZAWA YOZO
About 東京農大 生物産業
About HIRAI GO
About 北海道総合研究機構 十勝農試
About TABERI KATSUHIRO
About 北海道総合研究機構 花・野菜技セ
About YAMAZAKI MASAO
About 東京農大 生物産業
About SATO HIROAKI
About 東京農大 生物産業
About 日本食品保蔵科学会誌
About Dioscorea japonica
About new breed
About cultivar
About quality
About condition
About shelf life
About time dependence
About Dioscorea batatas
About food ingredient
About fertilization(cultivation)
About nitrogen fertilizer
About hue
About food property
About fertilizer effect
About stage(period)
About cultivation condition
About crop quality
About color hue
About shelf life
About species specificity
About harvest time
About Vegetables and processed vegetable products
About Crop varieties(=cultivars)
About 新品種
About いも
About ねばり
About 栽培条件
About 貯蔵期間