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Accumulation of residual soil microbial carbon in Chinese fir plantation soils after nitrogen and phosphorus additions

文献类型：期刊论文

作者Ma, Zhiqiang3; Zhang, Xinyu3,4; Zhang, Chuang1; Wang, Huimin3,4; Chen, Fusheng5; Fu, Xiaoli3; Fang, Xiangmin5; Sun, Xiaomin3,4; Lei, Qiuliang2
刊名JOURNAL OF FORESTRY RESEARCH
出版日期2018-07-01
卷号29期号:4页码:953-962
关键词Amino sugar Chinese fir plantation N and P additions Residual microbial carbon Soil environment variable
ISSN号1007-662X
DOI10.1007/s11676-017-0522-4
通讯作者Zhang, Xinyu(zhangxy@igsnrr.ac.cn)
英文摘要Nitrogen (N) and phosphorus (P) additions can affect soil microbial carbon (C) accumulation. However, the mechanisms that drive the changes in residual microbial C that occur after N and P additions have not been well-defined for Chinese fir plantations in subtropical China. We set up six different treatments, viz. a control (CK), two N treatments (N-1: 50 kg ha(-1) a(-1); N-2: 100 kg ha(-1) a(-1)), one P treatment (P: 50 kg ha(-1) a(-1)), and two combined N and P treatments (N1P: 50 kg ha(-1) a(-1) of N + 50 kg ha(-1) a(-1) of P; N2P: 100 kg ha(-1) a(-1) of N + 50 kg ha(-1) a(-1) of P). We then investigated the influences of N and P additions on residual microbial C. The results showed that soil pH and microbial biomass decreased after N additions, while microbial biomass increased after P additions. Soil organic carbon (SOC) and residual microbial C contents increased in the N and P treatments but not in the control. Residual microbial C accumulation varied according to treatment and declined in the order: N2P > N1P > N-2 > N-1 > P > CK. Residual microbial C contents were positively correlated with available N, P, and SOC contents, but were negatively correlated with soil pH. The ratio of residual fungal C to residual bacterial C increased under P additions, but declined under combined N + P additions. The ratio of residual microbial C to SOC increased from 11 to 14% under the N1P and N2P treatments, respectively. Our results suggest that the concentrations of residual microbial C and the stability of SOC would increase under combined applications of N and P fertilizers in subtropical Chinese fir plantation soils.
WOS关键词BACTERIAL BIOMASS ; ORGANIC-MATTER ; SUBTROPICAL CHINA ; AMINO-SUGARS ; FOREST SOIL ; FUNGAL ; SEQUESTRATION ; FERTILIZATION ; GRADIENT ; GLUCOSE
资助项目Programs of the National Natural Science Foundation of China[41571251] ; Programs of the National Natural Science Foundation of China[41571130043] ; Major State Basic Research Development Program of China[2012CB416903]
WOS研究方向Forestry
语种英语
WOS记录号WOS:000433205800008
出版者NORTHEAST FORESTRY UNIV
资助机构Programs of the National Natural Science Foundation of China ; Major State Basic Research Development Program of China
源URL[http://ir.igsnrr.ac.cn/handle/311030/54836]  
专题中国科学院地理科学与资源研究所
通讯作者Zhang, Xinyu
作者单位1.Shenyang Agr Univ, Coll Land & Environm, Shenyang 110866, Liaoning, Peoples R China
2.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Beijing 100081, Peoples R China
3.Inst Geog Sci & Nat Resources Res CAS, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
4.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
5.Jiangxi Agr Univ, Coll Forestry, Nanchang 330045, Jiangxi, Peoples R China
推荐引用方式
GB/T 7714		 Ma, Zhiqiang,Zhang, Xinyu,Zhang, Chuang,et al. Accumulation of residual soil microbial carbon in Chinese fir plantation soils after nitrogen and phosphorus additions[J]. JOURNAL OF FORESTRY RESEARCH,2018,29(4):953-962.
APA Ma, Zhiqiang.,Zhang, Xinyu.,Zhang, Chuang.,Wang, Huimin.,Chen, Fusheng.,...&Lei, Qiuliang.(2018).Accumulation of residual soil microbial carbon in Chinese fir plantation soils after nitrogen and phosphorus additions.JOURNAL OF FORESTRY RESEARCH,29(4),953-962.
MLA Ma, Zhiqiang,et al."Accumulation of residual soil microbial carbon in Chinese fir plantation soils after nitrogen and phosphorus additions".JOURNAL OF FORESTRY RESEARCH 29.4(2018):953-962.

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来源：地理科学与资源研究所

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