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TypeAuthor(s)TitleOther TitlesCitationCitation(alt)Issue Date
bulletin (article)杉山, 弘; 塚本, 光弘歌内地区造林地の間伐結果について-北海道大学演習林試験年報-Feb-1989
bulletin (article)湊, 克之; 神沼, 公三郎; 成田, 雅美; 前田, 万寿郎; 塚本, 光弘; 杉下, 義幸; 山ノ内, 誠; 桝本, 浩志; 倉岡, 光博北海道大学和歌山地方演習林におけるスギ・ヒノキ複層林の施業実験 Ⅰ:林内照度と樹下植栽幼樹の生長Experimental Studies on the Conversion of Japanese Cedar and Japanese Cypress Plantations to the Multi-storied Forests in Wakayama Experiment Forest, Hokkaido University Ⅰ:Relationships between relative illuminance and the growth of underplanted trees in forests北海道大學農學部 演習林研究報告RESEARCH BULLETINS OF THE COLLEGE EXPERIMENT FORESTS HOKKAIDO UNIVERSITYJan-1989
bulletin (article)夏目, 俊二; 塚本, 光弘ハリギリの山地根ざしについて-北海道大学演習林試験年報-Feb-1988
bulletin (article)塚本, 光弘ヤチダモ造林地の現況と間伐について-北海道大学演習林試験年報-Mar-1986
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