Optimum Planting Density for Japanese Oak (Quercus mongolica var. grosseserrata) Based on Spacing Experiment with Systematic Design
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概要
- 論文の詳細を見る
A spacing experiment for Japanese oak (Quercus mongolica var. grosseserrata) wlth Nelder's design have been studied at the Kyushu University Forest in Hokkaido, since 1975. The oak seedlings were planted according to systematic spacings which were 20 levels varying gradually from 40,816 to 1,086 seedlings per hectare with concentric circular arcs (22 in number) and spokes (41 in number). In 1992 when the planted oak seedlings were 18-year-old. DBH, crown diameter, total height and clear length of the survival trees were measured. Based on the results obtained from analyzing the relationships between planting density and the mean values of each block, the optimum planting density should be 7,241 seedlings per hectare.
- 一般社団法人日本森林学会の論文
- 1997-03-16
著者
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Imada Morio
Faculty Of Agriculture Kyushu University
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Imada Morio
Department Of Forestry Faculty Of Agriculture Kyushu University
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MIZOUE Nobuya
Department of Forest and Forest Products Sciences, Kyushu University
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Mizoue Nobuya
Kyushu Univ. Fukuoka Jpn
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Mizoue N
Kyushu Univ. Fukuoka Jpn
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Mizoue Nobuya
Department Of Forest And Forest Products Science Faculty Of Agriculture Kyushu University
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Mizoue Nobuya
Department Of Forest And Forest Products Sciences Kyushu University
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Mizoue Nobuya
Laboratory Of Forest Planning Kyushu University
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Mizoue Nobuya
Department Of Forest And Forest Products Sciences Faculty Of Agriculture Kyushu University
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Teraoka Yukio
The University Forest In Miyazaki Faculty Of Agriculture Kyushu University:(present)department Of Fo
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Kunisaki Takashi
Department of Forestry, Faculty of Agriculture, Kyushu University
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Kunisaki Takashi
Department Of Forestry Faculty Of Agriculture Kyushu University:(present)department Of Agronomy And
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Kajisa Tsuyoshi
Department Of Forest And Forest Products Sciences Kyushu University
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Kunisaki Takashi
Department Of Environmental Sciences For Sustainability Faculty Of Agriculture Iwate University
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Kajisa Tsuyoshi
Faculty Of Agriculture Kyushu University:laboratory Of Management Kyushu Uniersity
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