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Biochar influences soil carbon pools and facilitates interactions with soil: A field investigation
Ali El Naggar1,2; Chen Liu4; Nabeel Khan Niazi5,6; Shih Hao Jien7; Daniel C.W. Tsang8; Hocheol Song9; Yong Sik Ok10; Sang Soo Lee11
Corresponding AuthorYong Sik Ok ; Sang Soo Lee
Contribution Rank4
AbstractBiochar promotes the storage of organic carbon (OC) in soils. OC is unevenly distributed in soils among different particle-size fractions showing different structures, functions, and stability. The objective of this study was to investigate the biochar-soil interactions and the redistribution of soil C in different soil fractions based on a 2-year field experiment. Fractionation was done by particle sizes including coarse sand (250-2,000m), fine sand (53-250m), and silt/clay (<53m). Integrated spectroscopic techniques were employed to examine physical characteristics of biochar-soil interactions in different soil fractions. Application of biochar increased OC by 37%, 42%, and 76% in soil particle-size fractions of 53-250, <53, and 250-2,000m, respectively. This was supported by X-ray fluorescence spectroscopy analysis, which showed an increase of C contents by 5-56% with biochar addition. The highest increment in OC was found in coarse sand fraction, and redistribution of OC was detected depending on various soil particle sizes. Results of scanning electron microscopy combined with electron dispersive X-ray spectroscopy analysis showed the interactions between soil and biochar, which could be attributed to oxidized functional groups (OCO, CO, and CO) captured by the X-ray photoelectron spectroscopy. The long-term aged biochar could be beneficial to enhance soil quality by promoting OC storage and facilitating positive biochar-soil interactions.
Keywordcarbon fractions carbon sequestration organic carbon stability particle-size fractionation soil aggregates
Indexed BySCI
Funding ProjectNational Key Research and Development Plan of China[2016YFD0800203] ; National Research Foundation of Korea (NRF)[NRF-2016R1C1B2006336] ; National Research Foundation of Korea (NRF)[NRF-2015R1A2A2A11001432]
WOS Research AreaEnvironmental Sciences & Ecology ; Agriculture
WOS SubjectEnvironmental Sciences ; Soil Science
WOS IDWOS:000438902200010
Funding OrganizationNational Key Research and Development Plan of China ; National Research Foundation of Korea (NRF)
Citation statistics
Cited Times:47[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.School of Natural Resources and Environmental Science, Kangwon National University, Chuncheon 24341, Korea;
2.Department of Soil Sciences, Faculty of Agriculture, Ain Shams University, Cairo 11241, Egypt;
3.Faculty of Agriculture, Suez Canal University, Ismailia 41522, Egypt;
4.Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, PR China;
5.Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan;
6.MARUM and Department of Geosciences, University of Bremen, Bremen D‐28359, Germany;
7.Department of Soil and Water Conservation, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan;
8.Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong;
9.Department of Environment and Energy, Sejong University, Seoul 05006, Korea;
10.O‐Jeong Eco‐Resilience Institute (OJERI) & Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Korea;
11.Department of Environmental Engineering, Yonsei University, Wonju 26493, Korea
Recommended Citation
GB/T 7714
Ali El Naggar,Chen Liu,Nabeel Khan Niazi,et al. Biochar influences soil carbon pools and facilitates interactions with soil: A field investigation[J]. LAND DEGRADATION & DEVELOPMENT,2018,29(7):2162-2171.
APA Ali El Naggar.,Chen Liu.,Nabeel Khan Niazi.,Shih Hao Jien.,Daniel C.W. Tsang.,...&Sang Soo Lee.(2018).Biochar influences soil carbon pools and facilitates interactions with soil: A field investigation.LAND DEGRADATION & DEVELOPMENT,29(7),2162-2171.
MLA Ali El Naggar,et al."Biochar influences soil carbon pools and facilitates interactions with soil: A field investigation".LAND DEGRADATION & DEVELOPMENT 29.7(2018):2162-2171.
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