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qi wang fen gu you song bin si yuan yin de yan jiu
Author(s): 
Pages: 48-54
Year: Issue:  1
Journal: Journal of Beijing Forestry University

Keyword:  古油松濒死土壤碱化;
Abstract: 通过系列调查研究,确认七王坟古油松的濒死不是因为空间拥挤、光照不足、蛀干害虫危害以及一般营养元素的缺乏,而是古庙遗址三合土块、石灰块的存在,使下层土壤CaCO_3含量增高,土壤碱性化,再加上多次高强度修枝等因素长期影响古油松生长所致。
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