Issue |
E3S Web Conf.
Volume 635, 2025
3rd International Conference on Chemical, Energy Science and Environmental Engineering (CESEE 2025)
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Article Number | 03002 | |
Number of page(s) | 7 | |
Section | Environmental Management and Emission Control | |
DOI | https://doi.org/10.1051/e3sconf/202563503002 | |
Published online | 23 June 2025 |
High-Resolution Spatial Analysis of Organic and Chemical Nitrogen Fertilizer Sources on NH3 Emissions
Charles University, Environment Centre, José Martího 407/2, 162 00 Prague 6
* Corresponding author: amir.dadrasi@czp.cuni.cz
Agriculture is a major source of atmospheric ammonia (NH₃) emissions, driven by synthetic nitrogen fertilizers and livestock manure, which significantly influence nitrogen cycling and environmental pollution. This study quantifies the global impact of nitrogen sources on NH₃ emissions using a high-resolution gridded emissions inventory, comparing chemical fertilizers (e.g., urea, ammonium nitrate, etc) and organic fertilizers (cattle, buffaloes, sheep, goats, pigs, and chickens). Results indicated that Asia, North America, and Europe are primary emission hotspots, with urea-based fertilizers and intensive livestock farming as key contributors. Targeted mitigation strategies, such as improved manure management, optimized fertilizer application, and policies like the EU’s NH₃ Emission Ceilings Directive and China’s Zero Increase Action Plan, are essential for reducing emissions. This study provides critical insights into the spatial distribution, magnitude, and policy implications of NH3 emissions, guiding sustainable agricultural practices to balance food security and environmental protection.
Key words: Ammonia emissions / Nitrogen fertilizers / Livestock manure / Environmental impact / Sustainable agriculture / Mitigation strategies
© The Authors, published by EDP Sciences, 2025
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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