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Influence of Pinus Massoniana on Soil Organic Matter Content of the Karst Rocky Desertification Area ，North-west of Guangxi Province
Qin Yongrong,, Wang Yan, Liu Xuhui, Xu Jinqiang
Chinese Agricultural Science Bulletin . 2009, (5): 104 -109 .  DOI: 10.11924/j.issn.1000-6850.2008-1144