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Soil main mineral elements characteristics of ancient trees and the response to tree health in Beijing
Zou Yuqi1, Liu Jinglan1, Yang Xingkang2, Zhang Zhenming1, Liu Jiakai1, Wang Huih
Chinese Agricultural Science Bulletin . 2014, (1): 63 -67 .  DOI: 10.11924/j.issn.1000-6850.2013-1982