Effects of long-term fertilization on soil organic matter accumulation
ZHAO Guangshuai, LI Fadong, LI Yunsheng, ZHANG Yan, OUYANG Zhu, TIAN Zhenrong
Ecology and Environment . 2012, (5): 840 -847 .  DOI: 10.16258/j.cnki.1674-5906(2012)05-0840-08

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