Change of Ion Concentrations in Soil Solution According to Different Cutting Intensities and Sampling Times in Pinus rigida Plantations (리기다소나무조림지(造林地)의 벌채수준(伐採水準) 및 시료(試料) 채취시기(採取時期)에 따른 토양수내(土壤水內) 이온농도(濃度) 변화(變化))
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- Journal of Korean Society of Forest Science
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- v.88 no.4
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- pp.438-445
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- 1999