About KOHARA HIROYUKI
About KAWAHATA RIKU
About 熱帯農業研究
About Orchidaceae
About hybrid
About plant growth
About garden crop
About bark
About pot
About cultivation
About Phalaenopsis
About Phalaenopsis
About 杉皮
About 鉢栽培
About pot-plant
About Flowering plants(=ornamental plants)and flowering trees
About Influence on plants
About スギ
About カワ
About 培地
About 栽培
About 鉢
About 水分量
About ファレノプシス
About 生育