Effect of growth treatment on Quercus crispula plantation at the juvenile stage in the Eastern Hokkaido, Japan

NANKI Daisuke, MURATA Shusuke, KUBOTA Katsuyoshi, NAKAMURA Takuma, KABEMURA Yuji, KAJI Kiyohiro, YAMAUCHI Kohei, INOUE Sachiko, ENOKI Tsutomu, UTSUMI Yasuhiro

doi:10.15017/7172211

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北海道東部のミズナラ造林地における稚樹育成段階での施業法が樹高成長に及ぼす影響
ホッカイドウトウブノミズナラゾウリンチニオケルチジュイクセイダンカイデノセギョウホウガジュコウセイチョウニオヨボスエイキョウ

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Abstract

We evaluated the effect of silvicultural practices on tree height growth of Quercus crispula at the juvenile stage in the Ashoro Research Forest, Kyushu University. The following four test areas were set up: stand cutting area in which the unseeded area was mowed two years after seeding in the forest area and the seeded area was mowed in the third year; stripe cutting area in which the third year mowing treatment was excluded from the stand cutting area; forest thinning area in which density was adjusted after seeding in the forest area; nursery raising area in which seedlings grown in the nursery were transplanted three years after seeding. A comparison of tree height and survival rate showed that six years after seeding, tree height was greater in the stripe cutting area than in the stand cutting area, and survival rate was higher in the forest thinning area. In terms of tree height and operational efficiency, the Quercus crispula silvicultural method using the stripe cutting treatment would be an efficient option.

Journal

九州大学農学部演習林報告

九州大学農学部演習林報告 105 13-15, 2024-03-22

The Kyushu University Forests

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