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| Research progress on the hydrothermal synthesis of artificial humic acid and its application in agriculture and environmental remediation |
| Received:March 22, 2025 Revised:May 23, 2025 |
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| KeyWord:hydrothermal humification;artificial humic acid;improving agricultural efficiency;function regulation;environmental pollution remediation |
| Author Name | Affiliation | | WANG Jianchao | State Key Laboratory of Nutrient Use and Management, Key Laboratory of Green Intelligent Fertilizer Innovation, Ministry of Agriculture and Rural Affairs, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, China Agricultural University, Beijing 100193, China | | CHEN Xu | School of Chemical and Environmental Engineering, China University of Mining and Technology(Beijing), Beijing 100083, China | | XU Junyi | State Key Laboratory of Nutrient Use and Management, Key Laboratory of Green Intelligent Fertilizer Innovation, Ministry of Agriculture and Rural Affairs, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, China Agricultural University, Beijing 100193, China | | LI Jianfang | State Key Laboratory of Nutrient Use and Management, Key Laboratory of Green Intelligent Fertilizer Innovation, Ministry of Agriculture and Rural Affairs, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, China Agricultural University, Beijing 100193, China | | HUANG Chengdong | State Key Laboratory of Nutrient Use and Management, Key Laboratory of Green Intelligent Fertilizer Innovation, Ministry of Agriculture and Rural Affairs, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, China Agricultural University, Beijing 100193, China | | YUAN Lixing | State Key Laboratory of Nutrient Use and Management, Key Laboratory of Green Intelligent Fertilizer Innovation, Ministry of Agriculture and Rural Affairs, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, China Agricultural University, Beijing 100193, China | | CUI Zhenling | State Key Laboratory of Nutrient Use and Management, Key Laboratory of Green Intelligent Fertilizer Innovation, Ministry of Agriculture and Rural Affairs, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, China Agricultural University, Beijing 100193, China |
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| Abstract: |
| Hydrothermal humification（HTH）for the synthesis of artificial humic acid（AHA）not only enables the resource utilization of organic solid waste, but also AHA exhibits significant potential for applications in improving agricultural efficiency, soil improvement, and pollution remediation, demonstrating co-benefits of pollution reduction and carbon mitigation. This study reviews the research progress of HTH technique and applying AHA in agriculture and environmental remediation. Firstly, this study elucidates the effect of parameters on HTH, enhancement methods, synthesis mechanism, function regulation, catalytic mechanism, and properties of AHA. Then, it analyzes the applications of AHA in agriculture including biostimulation, nutrient enhancement, soil improvement, and pollution remediation. Finally, this study provides insights into the main challenges in the research of HTH for AHA synthesis, and provides an outlook on future research directions, aiming to offer theoretical basic and technical support for the technology of HTH-based AHA synthesis and the application of AHA in agriculture and environmental remediation. |
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