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Biochar increased water holding capacity but accelerated organic carbon leaching from a sloping farmland soil in China
Liu, Chen1; Wang, Honglan1; Tang, Xiangyu1; Guan, Zhuo1; Reid, Brian J.2; Rajapaksha, Anushka Upamali3,4; Ok, Yong Sik3,4; Sun, Hui5
Corresponding AuthorTang, Xiangyu ; Sun, Hui
2016
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN0944-1344
EISSN1614-7499
Volume23Issue:2Pages:995-1006
SubtypeArticle
AbstractA hydrologically contained field study, to assess biochar (produced from mixed crop straws) influence upon soil hydraulic properties and dissolved organic carbon (DOC) leaching, was conducted on a loamy soil (entisol). The soil, noted for its low plant-available water and low soil organic matter, is the most important arable soil type in the upper reaches of the Yangtze River catchment, China. Pore size distribution characterization (by N-2 adsorption, mercury intrusion, and water retention) showed that the biochar had a tri-modal pore size distribution. This included pores with diameters in the range of 0.1-10 mu m that can retain plant-available water. Comparison of soil water retention curves between the control (0) and the biochar plots (16 t ha(-1) on dry weight basis) demonstrated biochar amendment to increase soil water holding capacity. However, significant increases in DOC concentration of soil pore water in both the plough layer and the undisturbed subsoil layer were observed in the biochar-amended plots. An increased loss of DOC relative to the control was observed upon rainfall events. Measurements of excitation-emission matrix (EEM) fluorescence indicated the DOC increment originated primarily from the organic carbon pool in the soil that became more soluble following biochar incorporation.
KeywordBiochar Soil Pore Size Distribution Water Holding Capacity Doc Eem Fluorescence
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1007/s11356-015-4885-9
WOS Subject ExtendedEnvironmental Sciences & Ecology
Indexed BySCI
WOS KeywordPHYSICAL QUALITY ; BLACK CARBON ; LOAM SOIL ; CLAY LOAM ; FLUORESCENCE ; MATTER ; BIOAVAILABILITY ; ABSORPTION ; EXCITATION ; MANAGEMENT
Language英语
Quartile3区
TOP
WOS SubjectEnvironmental Sciences
WOS IDWOS:000368200200006
Funding OrganizationNature Science Foundation of China(41301549 ; China Postdoctoral Science Foundation(2013M530408) ; CAS-SAFEA International Partnership Project(KZZD-EW-TZ-06) ; 21307152 ; 41471268)
Citation statistics
Cited Times:81[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/14173
Collection山区发展研究中心
山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu, Peoples R China
2.Univ E Anglia, Sch Environm Sci, Norwich NR4 7TJ, Norfolk, England
3.Kangwon Natl Univ, Korea Biochar Res Ctr, Chunchon, South Korea
4.Kangwon Natl Univ, Dept Environm Biol, Chunchon, South Korea
5.Sichuan Univ, Coll Architecture & Environm, Chengdu 610064, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Liu, Chen,Wang, Honglan,Tang, Xiangyu,et al. Biochar increased water holding capacity but accelerated organic carbon leaching from a sloping farmland soil in China[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2016,23(2):995-1006.
APA Liu, Chen.,Wang, Honglan.,Tang, Xiangyu.,Guan, Zhuo.,Reid, Brian J..,...&Sun, Hui.(2016).Biochar increased water holding capacity but accelerated organic carbon leaching from a sloping farmland soil in China.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,23(2),995-1006.
MLA Liu, Chen,et al."Biochar increased water holding capacity but accelerated organic carbon leaching from a sloping farmland soil in China".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 23.2(2016):995-1006.
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