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Title: ドイツ製枝払い装置BaumHexeの枝打ち作業への適用試験 (II) : 枝打ち跡の仕上がりと損傷について
Other Titles: An experiment applied to pruning by German delimbing unit BaumHexe (II) : Traces and damage of pruning
Authors: 鈴木, 保志  KAKEN_name
沼田, 邦彦  KAKEN_name
山本, 俊明  KAKEN_name
酒井, 徹朗  KAKEN_name
神崎, 康一  KAKEN_name
瀧本, 義彦  KAKEN_name
芝, 正己  KAKEN_name
石川, 知明  KAKEN_name
Author's alias: Suzuki, Yasushi
Numata, Kunihiko
Yamamoto, Toshiaki
Sakai, Tetsurou
Kanzaki, Kouichi
Takimoto, Yoshihiko
Shiba, Masami
Ishikawa, Tomoaki
Issue Date: 21-Dec-1992
Publisher: 京都大学農学部附属演習林
Journal title: 京都大学農学部演習林報告
Volume: 64
Start page: 165
End page: 172
Abstract: 前報 (I) に引き続き, 装置による被枝打ち木の仕上がり状態について調べた結果を報告する。枝打ち作業が行われた立木から数本の供試木を抽出し, 樹幹の形状と, 枝打ち跡の状況を調べた。枝打ち跡あるいは損傷は節・傷・残枝に分類した。樹幹の細りと節の発生には明確な関係が認められた。樹幹の特定部位に傷が発生しやすい傾向が認められた。樹幹中心軸の曲がりが強いと, 節や傷の損傷の程度が大きくなる可能性が示唆された。
This report is of the investigation of traces of pruned trees which were mentioned in the former report (I) of this series. We selected some sample trees from pruned trees, measured shape of them and checked traces of pruning. We classified damages of pruning as Node, Slash and Twig. Clear relation between stem's narrowing shape and node occurrence is observed. It seems that slash tends to be made on certain stem position. It is implied that the greater the winding of stem axis, the harder the damage of node and slash.
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