Mitigating Nitrous Oxide Emissions from Agricultural Soils with Biochar: A Scientometric and Visual Analysis
The application of biochar in agricultural ecosystems has been demonstrated as an effective strategy for addressing climate change. This study conducted bibliometric analysis via CiteSpace to evaluate 989 publications (2010–2024) on biochar’s role in mitigating agricultural soil N<sub>2</su...
Saved in:
| Main Authors: | , , , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2025-04-01
|
| Series: | Agronomy |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2073-4395/15/5/1115 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1849327771965194240 |
|---|---|
| author | Jingyi Ren Yixuan Wang Mengqi Luo Yuxiang Zhuang Jixiong Wang Sen Chai Jun Liu Ziqi Zhang Yakun Li Peng Chen Qi Wei |
| author_facet | Jingyi Ren Yixuan Wang Mengqi Luo Yuxiang Zhuang Jixiong Wang Sen Chai Jun Liu Ziqi Zhang Yakun Li Peng Chen Qi Wei |
| author_sort | Jingyi Ren |
| collection | DOAJ |
| description | The application of biochar in agricultural ecosystems has been demonstrated as an effective strategy for addressing climate change. This study conducted bibliometric analysis via CiteSpace to evaluate 989 publications (2010–2024) on biochar’s role in mitigating agricultural soil N<sub>2</sub>O emissions. Key findings include (i) rapid growth in publications and citations, with <i>Science of the Total Environment</i> leading in output and <i>Soil Biology and Biochemistry</i> in citation impact; (ii) China and the Chinese Academy of Sciences dominate national and institutional contributions, and author networks exhibit multi-tiered collaboration structures with limited overlap between high-productivity and high-impact researchers; (iii) research hotspots prioritize global warming potential, carbon footprint, and biochar’s chemistry property, mineralization, and pyrolysis processes; (iv) and the field evolved through three phases, as follows: initial emphasis on biochar–fertilizer synergies (2010–2015), followed by microbial mechanisms (2016–2020), and recent focus on soil carbon dynamics and multi-greenhouse gas interactions (2021–2024). Future research should address feedstock–pyrolysis coupling mechanisms, soil-specific application thresholds, and biochar–water–fertilizer interfacial interactions to optimize emission reduction, enhance nitrogen efficiency, and support China’s “Dual Carbon” goals. The study has important guiding significance for promoting the theoretical framework of sustainable agriculture and climate-resilient soil management. |
| format | Article |
| id | doaj-art-0a8cc8dd7f5b4fedbf38698dc3dcbebc |
| institution | Kabale University |
| issn | 2073-4395 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Agronomy |
| spelling | doaj-art-0a8cc8dd7f5b4fedbf38698dc3dcbebc2025-08-20T03:47:48ZengMDPI AGAgronomy2073-43952025-04-01155111510.3390/agronomy15051115Mitigating Nitrous Oxide Emissions from Agricultural Soils with Biochar: A Scientometric and Visual AnalysisJingyi Ren0Yixuan Wang1Mengqi Luo2Yuxiang Zhuang3Jixiong Wang4Sen Chai5Jun Liu6Ziqi Zhang7Yakun Li8Peng Chen9Qi Wei10College of Agricultural Science and Engineering, Hohai University, Nanjing 210098, ChinaCollege of Agricultural Science and Engineering, Hohai University, Nanjing 210098, ChinaCollege of Agricultural Science and Engineering, Hohai University, Nanjing 210098, ChinaCollege of Agricultural Science and Engineering, Hohai University, Nanjing 210098, ChinaCollege of Agricultural Science and Engineering, Hohai University, Nanjing 210098, ChinaCollege of Agricultural Science and Engineering, Hohai University, Nanjing 210098, ChinaCollege of Agricultural Science and Engineering, Hohai University, Nanjing 210098, ChinaCollege of Agricultural Science and Engineering, Hohai University, Nanjing 210098, ChinaCollege of Agricultural Science and Engineering, Hohai University, Nanjing 210098, ChinaCollege of Agricultural Science and Engineering, Hohai University, Nanjing 210098, ChinaCollege of Agricultural Science and Engineering, Hohai University, Nanjing 210098, ChinaThe application of biochar in agricultural ecosystems has been demonstrated as an effective strategy for addressing climate change. This study conducted bibliometric analysis via CiteSpace to evaluate 989 publications (2010–2024) on biochar’s role in mitigating agricultural soil N<sub>2</sub>O emissions. Key findings include (i) rapid growth in publications and citations, with <i>Science of the Total Environment</i> leading in output and <i>Soil Biology and Biochemistry</i> in citation impact; (ii) China and the Chinese Academy of Sciences dominate national and institutional contributions, and author networks exhibit multi-tiered collaboration structures with limited overlap between high-productivity and high-impact researchers; (iii) research hotspots prioritize global warming potential, carbon footprint, and biochar’s chemistry property, mineralization, and pyrolysis processes; (iv) and the field evolved through three phases, as follows: initial emphasis on biochar–fertilizer synergies (2010–2015), followed by microbial mechanisms (2016–2020), and recent focus on soil carbon dynamics and multi-greenhouse gas interactions (2021–2024). Future research should address feedstock–pyrolysis coupling mechanisms, soil-specific application thresholds, and biochar–water–fertilizer interfacial interactions to optimize emission reduction, enhance nitrogen efficiency, and support China’s “Dual Carbon” goals. The study has important guiding significance for promoting the theoretical framework of sustainable agriculture and climate-resilient soil management.https://www.mdpi.com/2073-4395/15/5/1115bibliometric analysisCiteSpaceN<sub>2</sub>O emissionbiocharagricultural soils |
| spellingShingle | Jingyi Ren Yixuan Wang Mengqi Luo Yuxiang Zhuang Jixiong Wang Sen Chai Jun Liu Ziqi Zhang Yakun Li Peng Chen Qi Wei Mitigating Nitrous Oxide Emissions from Agricultural Soils with Biochar: A Scientometric and Visual Analysis Agronomy bibliometric analysis CiteSpace N<sub>2</sub>O emission biochar agricultural soils |
| title | Mitigating Nitrous Oxide Emissions from Agricultural Soils with Biochar: A Scientometric and Visual Analysis |
| title_full | Mitigating Nitrous Oxide Emissions from Agricultural Soils with Biochar: A Scientometric and Visual Analysis |
| title_fullStr | Mitigating Nitrous Oxide Emissions from Agricultural Soils with Biochar: A Scientometric and Visual Analysis |
| title_full_unstemmed | Mitigating Nitrous Oxide Emissions from Agricultural Soils with Biochar: A Scientometric and Visual Analysis |
| title_short | Mitigating Nitrous Oxide Emissions from Agricultural Soils with Biochar: A Scientometric and Visual Analysis |
| title_sort | mitigating nitrous oxide emissions from agricultural soils with biochar a scientometric and visual analysis |
| topic | bibliometric analysis CiteSpace N<sub>2</sub>O emission biochar agricultural soils |
| url | https://www.mdpi.com/2073-4395/15/5/1115 |
| work_keys_str_mv | AT jingyiren mitigatingnitrousoxideemissionsfromagriculturalsoilswithbiocharascientometricandvisualanalysis AT yixuanwang mitigatingnitrousoxideemissionsfromagriculturalsoilswithbiocharascientometricandvisualanalysis AT mengqiluo mitigatingnitrousoxideemissionsfromagriculturalsoilswithbiocharascientometricandvisualanalysis AT yuxiangzhuang mitigatingnitrousoxideemissionsfromagriculturalsoilswithbiocharascientometricandvisualanalysis AT jixiongwang mitigatingnitrousoxideemissionsfromagriculturalsoilswithbiocharascientometricandvisualanalysis AT senchai mitigatingnitrousoxideemissionsfromagriculturalsoilswithbiocharascientometricandvisualanalysis AT junliu mitigatingnitrousoxideemissionsfromagriculturalsoilswithbiocharascientometricandvisualanalysis AT ziqizhang mitigatingnitrousoxideemissionsfromagriculturalsoilswithbiocharascientometricandvisualanalysis AT yakunli mitigatingnitrousoxideemissionsfromagriculturalsoilswithbiocharascientometricandvisualanalysis AT pengchen mitigatingnitrousoxideemissionsfromagriculturalsoilswithbiocharascientometricandvisualanalysis AT qiwei mitigatingnitrousoxideemissionsfromagriculturalsoilswithbiocharascientometricandvisualanalysis |