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题名:
Temperature and moisture responses to carbon mineralization in the biochar-amended saline soil
作者: Sun, JN; He, FH; Zhang, ZH; Shao, HongBo(邵宏波); Xu, Gang(徐刚)
刊名: SCIENCE OF THE TOTAL ENVIRONMENT
ISSN号: 0048-9697
出版日期: 2016-11-01
卷号: 569, 页码:390-394
关键词: Carbon mineralization ; Biochar ; Temperature ; Soil moisture ; Saline soil
DOI: 10.1016/j.scitotenv.2016.06.082
产权排序: [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
通讯作者: Zhang, ZH ; Shao, HB (reprint author), Jiangsu Acad Agr Sci, Inst Agrobiotechnol, Nanjing 210014, Jiangsu, Peoples R China. Email:zhangzh71@163.com ; shaohongbochu@126.com
作者部门: 海岸带生物学与生物资源利用所重点实验室
英文摘要: This 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.
研究领域[WOS]: Environmental Sciences & Ecology
项目资助者: Ludong 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)
关键词[WOS]: GREENHOUSE-GAS EMISSIONS ; BLACK CARBON ; MICROBIAL COMMUNITY ; SULFUR MINERALIZATION ; CENTRAL CHINA ; WATER-CONTENT ; NET NITROGEN ; RESPIRATION ; DECOMPOSITION ; DEPENDENCE
文章类型: Article
收录类别: SCI
语种: 英语
WOS记录号: WOS:000382269000041
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/17225
Appears in Collections:海岸带生物学与生物资源利用所重点实验室_期刊论文

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Recommended Citation:
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.
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文件名: Temperature and moisture responses to carbon mineralization in the biochar-amended saline soil.pdf
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