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Soil Environment's Impact on the Growth of Pinus thunbergii by Season in Urban Forests

도시림의 계절별 토양환경이 곰솔의 생육에 미치는 영향

  • Kim, Seok-Kyu (Department of Landscape Architecture, Dong-A University)
  • Received : 2011.06.07
  • Accepted : 2011.07.28
  • Published : 2011.08.31

Abstract

The purpose of this study is to clarify correlations between soil environments and the growth of trees in forests and thereon analyze effects of seasonal changes in such environments on such growth. To determine seasonal factors of soil affecting the Tree Vitality of Pinus thunbergii, first of all, the study designated the Tree Vitality as a dependent variable and soil hardness, moisture, pH, K, Na, Mg and Ca as independent variables. Then the study performed Pearson's coefficient analysis. To clarify what soil factors influence the seasonal growth of Pinus thunbergii multiple regression analysis is carried out, and findings are as follow; the growth of Pinus thunbergii was basically influenced by pH, followed by soil hardness in spring, K, followed by moisture in summer, and by soil hardness in winter. However, no soil factors affected the vitality at the significance level of 5% for t.

Keywords

References

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