About MIYATA M
About Kanto For. Tree Breed. Inst., Mito
About UBUKATA M
About Kanto For. Tree Breed. Inst., Mito
About IMAI H
About Jpn. Int. Coop. Angency, Tokyo
About 日本林学会誌
About Pinus thunbergii
About thousand kernel weight
About Forest botany
About クロマツ
About 天然生林
About 種子
About 千粒重
About 種皮
About 変異