Soil organic carbon mineralization with fresh organic substrate and inorganic carbon additions in a red soil is controlled by fungal diversity along a pH gradient

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成果类型：

期刊论文

作者：

Xiao, Dan;Huang, Yuan;Feng, Shuzhen;Ge, Yunhui;Zhang, Wei;...

通讯作者：

Wang, Kelin

作者机构：

[Feng, Shuzhen; Ge, Yunhui; Zhang, Wei; He, Xunyang; Wang, Kelin; Huang, Yuan; Xiao, Dan] Chinese Acad Sci, Inst Subtrop Agr, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China.

[Xiao, Dan] Univ Chinese Acad Sci, Beijing 100039, Peoples R China.

[Zhang, Wei; He, Xunyang; Wang, Kelin; Xiao, Dan] Chinese Acad Sci, Huanjiang Observat & Res Stn Karst Ecosyst, Huanjiang 547100, Peoples R China.

[Huang, Yuan] Guangxi Bot Garden Med Plants, Nanning 530023, Peoples R China.

[Feng, Shuzhen] Guangxi Univ Sci & Technol, Liuzhou 545006, Guangxi, Peoples R China.

通讯机构：

[Wang, Kelin] C

Chinese Acad Sci, Inst Subtrop Agr, Changsha 410125, Hunan, Peoples R China.

语种：

英文

关键词：

Isotope tracing technique;Red soil;Soil microbial community;Soil organic carbon mineralization;Soil pH

期刊：

Geoderma

ISSN：

0016-7061

年：

2018

卷：

321

页码：

79-89

DOI：

10.1016/j.geoderma.2018.02.003

基金类别：

We gratefully acknowledge the reviewers for their practical advice and Xiaofang Li of the Center for Agricultural Resources Research, IGDB and CAS for valuable technical assistance. The study was financially supported by the National Key Research and Development Program ( 2016YFC0502404 ) and the National Natural Science Foundation of China (grant nos. 41471445 , 31270551 ).

机构署名：

本校为其他机构

院系归属：

生物科学技术学院

摘要：

Straw return and liming are important agronomic practices to enable farming in red soils of China. Organic substrates and inorganic carbon have an important effect on soil pH in red soils, but the mechanisms underlying soil organic carbon (SOC) mineralization by soil microorganisms due to pH change have been little studied. Therefore, we measured SOC mineralization, the priming effect, microbial biomass carbon (MBC), and bacterial and fungal community abundance, diversity, and composition during a 100-day incubation experiment. The experimental...

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Soil organic carbon mineralization with fresh organic substrate and inorganic carbon additions in a red soil is controlled by fungal diversity along a pH gradient

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