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Subject

Growth Performances of Seedlings of Daphniphyllum macropodum in Naejang National Park for Container Seeding Production
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시설양묘에 적용을 위한 내장산 굴거리 나무 군락내 치수의 생장 특성

논문 기본 정보

Type
Academic journal
Author
Jin Chul Chung (원광대학교) Ji Young Jeong (부안군 산림조합) Jeong Ho Choi (원광대학교) Kyung Soo Jeon (원광대학교) Jong Hyang Bae (원광대학교)
Journal
The Korean Society For Bio-Environment Control Journal of Bio-Environment Control Vol.20 No.4 KCI Accredited Journals
Published
2011.12
Pages
365 - 372 (8page)

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Growth Performances of Seedlings of Daphniphyllum macropodum in Naejang National Park for Container Seeding Production
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This study aimed to examine foundational data for container seedling production with the subject of Daphniphyllum macropodum community in Mt. Naejang National Park. To achieve the goal, it investigated the growth characteristics of young tree seedlings growing in places with different light intensity environment. Regarding the growth environment of Daphniphyllum macropodum community, it was typical heavy rain summer climate, and the soil was silt loam with the organic content as 11.42~15.61%, total nitrogen as 0.50~0.76%, cation exchangeable capacity (C.E.C) as 18.92~23.32 c㏖/㎏, and pH as 4.85~5.58. About light intensity environment changed by research plots, relative transmittance of solar radiation was 71~76% in plot A, 37~42% in plot B, 65~70% in plot C, and 28~33% in plot D. The seedlings tended to be intensively distributed either under the crown of their mother tree or in the slope site, and plot A and C where light intensity environment is relatively more favorable showed 1,550 tree/ha and 1,250 tree/ha. Total biomass production of Daphniphyllum macropodum seedlings was 5.37 g in plot A and 5.29 g in plot C, so they were higher than 4.42~4.51 g in plot B and D with relatively less favorable light intensity environment. The T/R ratio was 1~2, leaf area rate was 139.71~183.50 ㎠ㆍg?¹, leaf area ratio was 39.68~60.66 ㎠ㆍg?¹, and leaf dry weight ratio grew higher in the range of 0.28~0.33 ㎠ㆍg?¹ as the intensity of radiation became less. It is thought that in the generation and growth of Daphniphyllum macropodum seedlings, the intensity of light has more effects than the organic content in soil. And it is also thought that in the application of container seedlings production, light environment management over 65~70% to full sun light intensity will affect significantly the initial growth of Daphniphyllum macropodum.

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