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高阿丁枫苗木分级研究

Journal of West China Forestry Science(2006)

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Abstract
采用逐步聚类分析方法,对高阿丁枫苗龄为100天的苗木分级标准进行了研究,提出了以苗高和地径作为苗木分级的质量指标,通过计算分析得出了此苗龄下的高阿丁枫苗木分级标准:Ⅰ级苗,苗高≥13.0 cm,地径≥0.26 cm;Ⅱ级苗:13.0 cm>苗高≥10.6 cm,0.26 cm>地径≥0.21 cm;Ⅲ级苗:苗高<10.6 cm,地径<0.21 cm。
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Key words
seedling grading,Altingia excelsa,gradual cluster analysis
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