Probing changes in humus chemical characteristics in response to biochar addition and varying bulking agents during composting: A holistic multi-evidence-based approach
文献类型：期刊论文
| 作者 | Liu, Hong-tao4,5; Guo, Hao-nan1,4; Guo, Xiao-xia2,4; Wu, Shubiao3 |
| 刊名 | JOURNAL OF ENVIRONMENTAL MANAGEMENT
 |
| 出版日期 | 2021-12-15 |
| 卷号 | 300页码:10 |
| 关键词 | Composting Humus Biochar Bulking agent Near-edge X-ray absorption fine structure |
| ISSN号 | 0301-4797 |
| DOI | 10.1016/j.jenvman.2021.113736 |
| 通讯作者 | Liu, Hong-tao(liuht@igsnrr.ac.cn) |
| 英文摘要 | Despite the various benefits of humus, the changes in its chemical characteristics during composting in response to biochar addition and varying bulking agents remain to be further explored. In this study, three treatments were conducted, in which swine manure, bulking agent, and biochar were mixed at ratios of 4:1:0, 8:1:0, and 8:1:1. Fourier transform infrared spectroscopy (FTIR), carbon nuclear magnetic resonance spectroscopy (13CNMR), three-dimensional excitation-emission matrix fluorescence spectroscopy (3D-EEM), and near-edge X-ray absorption fine structure (NEXAFS) were employed to characterize the chemical and structural properties of humus from multiple perspectives. The 3D-EEM spectra in this study showed a larger increase in humic acids (HAs) content (56%) and HAs to fulvic acids ratio (128%) during composting, indicating stronger humification in biochar-amended treatment. FTIR, 13C-NMR, and NEXAFS all confirmed the essential properties of HA as the core agronomic functional substance with rich aromatic and carboxyl groups, and that its aromaticity increased gradually during composting. In addition, 13C-NMR demonstrated that biochar addition and a relatively higher bulking agent ratio aided an increase in the carboxyl C proportion in HA after composting. In particular, NEXAFS revealed that biochar addition promoted the diversification of C, N, and O species in HA, with the emergence of quinone C and O-alkyl C as the main representatives. This work suggests that biochar addition and a relatively high bulking agent ratio could enhance humification and improve the agronomic function of humus. |
| WOS关键词 | ORGANIC-MATTER ; HUMIC SUBSTANCES ; FLUORESCENCE EXCITATION ; NEXAFS SPECTROSCOPY ; FUNCTIONAL-GROUPS ; POULTRY MANURE ; SEWAGE-SLUDGE ; HEAVY-METALS ; FOOD WASTE ; SOIL |
| 资助项目 | Strategic Priority Research Program of Chinese Academy of Sciences[XDA28130300] ; National Key R & D Program of China[2016YFD0501401] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA23050103] |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000704961300001 |
| 出版者 | ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD |
| 资助机构 | Strategic Priority Research Program of Chinese Academy of Sciences ; National Key R & D Program of China ; Strategic Priority Research Program of the Chinese Academy of Sciences |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/166867]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Liu, Hong-tao |
| 作者单位 | 1.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China 2.China Agr Univ, Coll Resources & Environm Sci, Beijing 100193, Peoples R China 3.Aarhus Univ, Dept Agroecol, Blichers Alle 20, DK-8830 Tjele, Denmark 4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China 5.Chinese Acad Sci, Engn Lab Yellow River Delta Modern Agr, Beijing 100101, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Hong-tao,Guo, Hao-nan,Guo, Xiao-xia,et al. Probing changes in humus chemical characteristics in response to biochar addition and varying bulking agents during composting: A holistic multi-evidence-based approach[J]. JOURNAL OF ENVIRONMENTAL MANAGEMENT,2021,300:10. |
| APA | Liu, Hong-tao,Guo, Hao-nan,Guo, Xiao-xia,&Wu, Shubiao.(2021).Probing changes in humus chemical characteristics in response to biochar addition and varying bulking agents during composting: A holistic multi-evidence-based approach.JOURNAL OF ENVIRONMENTAL MANAGEMENT,300,10. |
| MLA | Liu, Hong-tao,et al."Probing changes in humus chemical characteristics in response to biochar addition and varying bulking agents during composting: A holistic multi-evidence-based approach".JOURNAL OF ENVIRONMENTAL MANAGEMENT 300(2021):10. |
入库方式： OAI收割
来源：地理科学与资源研究所
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