Investigating the biochar effects on C-mineralization and sequestration of carbon in soil compared with conventional amendments using the stable isotope (delta C-13) approach
Yousaf, Balal1,2; Liu, Guijian1,2; Wang, Ruwei1; Abbas, Qumber1; Imtiaz, Muhammad3; Liu, Ruijia1
2017-06-01
发表期刊GLOBAL CHANGE BIOLOGY BIOENERGY
卷号9期号:6页码:1085-1099
文章类型Article
摘要Biomass-derived black carbon (biochar) is considered to be an effective tool to mitigate global warming by long-term C-sequestration in soil and to influence C-mineralization via priming effects. However, the underlying mechanism of biochar (BC) priming relative to conventional biowaste (BW) amendments remains uncertain. Here, we used a stable carbon isotope (delta C-13) approach to estimate the possible biochar effects on native soil C-mineralization compared with various BW additions and potential carbon sequestration. The results show that immediately after application, BC suppresses and then increases C-mineralization, causing a loss of 0.14-7.17 mg-CO2-C g(-1)-C compared to the control (0.24-1.86 mg-CO2-C g(-1)-C) over 1-120 days. Negative priming was observed for BC compared to various BW amendments (-10.22 to -23.56 mg-CO2-C g(-1)-soil-C); however, it was trivially positive relative to that of the control (8.64 mg-CO2-C g(-1)-soil-C). Furthermore, according to the residual carbon and delta C-13 signature of postexperimental soil carbon, BC-C significantly increased (P < 0.05) the soil carbon stock by carbon sequestration in soil compared with various biowaste amendments. The results of cumulative CO2-C emissions, relative priming effects, and carbon storage indicate that BC reduces C-mineralization, resulting in greater C-sequestration compared with other BW amendments, and the magnitude of this effect initially increases and then decreases and stabilizes over time, possibly due to the presence of recalcitrant-C (4.92 mg-C g(-1)-soil) in BC, the reduced microbial activity, and the sorption of labile organic carbon (OC) onto BC particles.
关键词Biochar Biowaste Carbon Mineralization Carbon Stable Isotope C-sequestration Priming Effects
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1111/gcbb.12401
关键词[WOS]SEA-LEVEL RISE ; DISSOLVED ORGANIC-CARBON ; SHORT-TERM ; PYROLYSIS TEMPERATURE ; MICROBIAL BIOMASS ; ATMOSPHERIC CO2 ; MATTER ; EMISSIONS ; POOLS ; WORLD
收录类别SCI
语种英语
WOS研究方向Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS类目Agronomy ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号WOS:000402743500007
引用统计
被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5461
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Peoples R China
2.Chinese Acad Sci, State Key Lab Loess & Quaternary Geol, Inst Earth Environm, Xian 710075, Shaanxi, Peoples R China
3.Huazhong Agr Univ, Microelement Res Ctr, Coll Resources & Environm, Wuhan 430070, Peoples R China
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Yousaf, Balal,Liu, Guijian,Wang, Ruwei,et al. Investigating the biochar effects on C-mineralization and sequestration of carbon in soil compared with conventional amendments using the stable isotope (delta C-13) approach[J]. GLOBAL CHANGE BIOLOGY BIOENERGY,2017,9(6):1085-1099.
APA Yousaf, Balal,Liu, Guijian,Wang, Ruwei,Abbas, Qumber,Imtiaz, Muhammad,&Liu, Ruijia.(2017).Investigating the biochar effects on C-mineralization and sequestration of carbon in soil compared with conventional amendments using the stable isotope (delta C-13) approach.GLOBAL CHANGE BIOLOGY BIOENERGY,9(6),1085-1099.
MLA Yousaf, Balal,et al."Investigating the biochar effects on C-mineralization and sequestration of carbon in soil compared with conventional amendments using the stable isotope (delta C-13) approach".GLOBAL CHANGE BIOLOGY BIOENERGY 9.6(2017):1085-1099.
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