About SEKIGUCHI HIDEKI
About 富山農総セ 園研 果樹研セ
About 園芸学研究 別冊
About Malus pumila
About plant growth
About fruit tree
About root
About damage and injury
About plant physiology
About Fuji
About strength of trees
About feeder root
About Fruit trees
About Plant physiology in general
About リンゴ
About ふじ
About 根
About 傷
About 樹勢
About 衰弱