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The Chemical Characteristics Analysis of Important Ancient Trees’ Soil in Different Regions of Beijing
张容 张振明 刘晶岚 史晓艺 温志勇 张津林 王春雷
Chinese Agricultural Science Bulletin . 2012, (31): 57 -60 .  DOI: 10.11924/j.issn.1000-6850.2012-2729