Characteristics of litterfall and nutrient return in secondary forest in karst region of northwest Guangxi
ZHU Shuangyan, WANG Kelin, ZENG Fuping, ZENG Zhaoxia, SONG Tongqing
Ecology and Environment . 2009, (1): 274 -279 .  DOI: 10.16258/j.cnki.1674-5906(2009)01-0274-06

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