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Purpose <p>This study performed a bibliometric analysis. It systematically examined the evolution, research hotspots, and future perspectives of nitrification inhibitors and their effects on soil nitrogen dynamics.</p> Materials and methods <p>Literature published between 2005 and 2024 was retrieved from the Web of Science Core Collection. After manual screening, 1444 relevant English-language records were obtained. These records were analyzed using CiteSpace and VOSviewer. The analysis covered co-citation mapping, keyword burst detection, and collaboration network visualization. Quantitative statistical tools provided additional support.</p> Results and discussion <p>Annual publications increased from 21 in 2005 to 148 in 2024. This growth occurred across three distinct developmental phases: germination (2005–2012), slight growth (2013–2019), and rapid acceleration (2020–2024). Total citations reached 61,136. China contributed the largest number of publications (508). It was followed by the United States (202) and Australia (171). The Chinese Academy of Sciences was the most productive institution. It produced 224 articles and received 9,479 citations. Research themes evolved from empirical observations of nitrous oxide emissions and nitrate leaching. They advanced to mechanistic investigations centered on microbial ecology, ammonia-oxidizing bacteria, ammonia-oxidizing archaea, and biological nitrification inhibitors. Keyword bursts indicated an emerging emphasis on microbial mechanisms and climatic factors.</p> Conclusions <p>Nitrification inhibitors effectively reduce soil nitrogen losses in pastoral and arable systems. Research in this field has proliferated globally, with China in the lead. The field has shifted from synthetic inhibitors toward biological alternatives. It has also moved from empirical observations to microbial regulatory mechanisms. Future studies should prioritize next-generation biological inhibitors, precision fertilization technologies, climate resilience assessment, and translation into policy and practice. These priorities will support sustainable nitrogen management in agroecosystems.</p>

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Bibliometric analysis of the effects of nitrification inhibitors on soil nitrogen: developments, hotspots, and future perspectives

  • 期刊论文

  • 发表日期：

    2026年6月15日

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  • Wenbin Deng,
  • Haiping Xie,
  • Jinlin Chen,
  • Guangming Liu

摘要

Purpose

This study performed a bibliometric analysis. It systematically examined the evolution, research hotspots, and future perspectives of nitrification inhibitors and their effects on soil nitrogen dynamics.

Materials and methods

Literature published between 2005 and 2024 was retrieved from the Web of Science Core Collection. After manual screening, 1444 relevant English-language records were obtained. These records were analyzed using CiteSpace and VOSviewer. The analysis covered co-citation mapping, keyword burst detection, and collaboration network visualization. Quantitative statistical tools provided additional support.

Results and discussion

Annual publications increased from 21 in 2005 to 148 in 2024. This growth occurred across three distinct developmental phases: germination (2005–2012), slight growth (2013–2019), and rapid acceleration (2020–2024). Total citations reached 61,136. China contributed the largest number of publications (508). It was followed by the United States (202) and Australia (171). The Chinese Academy of Sciences was the most productive institution. It produced 224 articles and received 9,479 citations. Research themes evolved from empirical observations of nitrous oxide emissions and nitrate leaching. They advanced to mechanistic investigations centered on microbial ecology, ammonia-oxidizing bacteria, ammonia-oxidizing archaea, and biological nitrification inhibitors. Keyword bursts indicated an emerging emphasis on microbial mechanisms and climatic factors.

Conclusions

Nitrification inhibitors effectively reduce soil nitrogen losses in pastoral and arable systems. Research in this field has proliferated globally, with China in the lead. The field has shifted from synthetic inhibitors toward biological alternatives. It has also moved from empirical observations to microbial regulatory mechanisms. Future studies should prioritize next-generation biological inhibitors, precision fertilization technologies, climate resilience assessment, and translation into policy and practice. These priorities will support sustainable nitrogen management in agroecosystems.