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September 16, 2025Atmospheric chemistry and physicsOpen Access

Effects of enhancing nitrogen use efficiency in cropland and livestock systems on agricultural ammonia emissions and particulate matter air quality in China

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Authors

BLBiao LuoLLLei LiuDYDavid H. Y. Yung

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Overview

Analysis reveals that improving nitrogen management in agriculture can reduce NH3 emissions and PM2.5 pollution levels.

Key Points

  • Agricultural NH3 emissions can be reduced by 11.6%–39.3% through enhanced nitrogen use efficiency methods.
  • The total agricultural NH3 emission in China was estimated at 11.2 Tg in 2017, impacting PM2.5 levels significantly.
  • A combination of bottom-up emission models and nitrogen mass flow models helped evaluate different crop and livestock NUE.
  • Results support informed policymaking regarding nitrogen management to mitigate air quality issues.

Cite This Study

Luo et al. (2025) studied this question.

synapsesocial.com/papers/68d4565b31b076d99fa5b25ahttps://doi.org/10.5194/acp-25-10089-2025
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