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Temperature and moisture responses to carbon mineralization in the biochar-amended saline soil
Sun, JN; He, FH; Zhang, ZH; Shao, HB; Xu, G; Shao, HB (reprint author), Jiangsu Acad Agr Sci, Inst Agrobiotechnol, Nanjing 210014, Jiangsu, Peoples R China. Email:zhangzh71@163.com; shaohongbochu@126.com
2016-11-01
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume569Pages:390-394
Contribution Rank[Sun, Junna] Ludong Univ, Sch Life Sci, Yantai 264025, Peoples R China; [He, Fuhong; Zhang, Zhenhua] Ludong Univ, Inst Geog & Planning, Yantai 264025, Peoples R China; [Shao, Hongbo] Jiangsu Acad Agr Sci, Inst Agrobiotechnol, Nanjing 210014, Jiangsu, Peoples R China; [Shao, Hongbo; Xu, Gang] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
AbstractThis study assessed the effects of temperature and moisture on carbon mineralization (C-min) in a saline soil system with biochar amendment. The dynamics of Cmin were monitored in a biochar-amended saline soil for 220 days by incubation experiments under different conditions of temperature (15 degrees C, 25 degrees C and 35 degrees C) and moisture (30%, 70% and 105% of the water-holding capacity). Results showed that as the incubation temperature rose, cumulative Cmin consistently increased in soil added with 0-4% biochar. The two-compartment model could well describe the dynamics of Cmin. The temperature rise increased the concentration of labile C in soil, but reduced the turnover time of labile and recalcitrant C pools and the value of temperature coefficient Q(10). The response of Cmin to moisture was varying in soil amended with different levels of biochar. In the control treatment (soil alone), cumulative Cmin increased only when soil moisture was >105%. In the biochar treatments, however, 70% of water holding capacity was optimal for Cmin, except for 2%-biochar treatment at 35 degrees C. The findings highlight the necessity to consider the combined effects of soil moisture, temperature and the amount of biochar added for assessing Cmin in biochar-amended saline soils. (C) 2016 Elsevier B.V. All rights reserved.
KeywordCarbon Mineralization Biochar Temperature Soil Moisture Saline Soil
Department海岸带生物学与生物资源利用所重点实验室
DOI10.1016/j.scitotenv.2016.06.082
Funding OrganizationLudong University(LY2015013) ; National Natural Science Foundation of China(41501309 ; Jiangsu Agricultural Science and Technology Innovation Fund(CX(15)1005) ; National Basic Research Program of China(2013CB430403) ; Shuangchuang Talent Plan of Jiangsu Province ; Yantai Double-hundred Talent Plan(XY-003-02) ; 135 Development Plan of YIC-CAS ; 41271236)
Indexed BySCI
WOS KeywordGREENHOUSE-GAS EMISSIONS ; BLACK CARBON ; MICROBIAL COMMUNITY ; SULFUR MINERALIZATION ; CENTRAL CHINA ; WATER-CONTENT ; NET NITROGEN ; RESPIRATION ; DECOMPOSITION ; DEPENDENCE
SubtypeArticle
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS IDWOS:000382269000041
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Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/17225
Collection海岸带生物学与生物资源保护实验室
Corresponding AuthorZhang, ZH; Shao, HB (reprint author), Jiangsu Acad Agr Sci, Inst Agrobiotechnol, Nanjing 210014, Jiangsu, Peoples R China. Email:zhangzh71@163.com; shaohongbochu@126.com
Recommended Citation
GB/T 7714
Sun, JN,He, FH,Zhang, ZH,et al. Temperature and moisture responses to carbon mineralization in the biochar-amended saline soil[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2016,569:390-394.
APA Sun, JN.,He, FH.,Zhang, ZH.,Shao, HB.,Xu, G.,...&shaohongbochu@126.com.(2016).Temperature and moisture responses to carbon mineralization in the biochar-amended saline soil.SCIENCE OF THE TOTAL ENVIRONMENT,569,390-394.
MLA Sun, JN,et al."Temperature and moisture responses to carbon mineralization in the biochar-amended saline soil".SCIENCE OF THE TOTAL ENVIRONMENT 569(2016):390-394.
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