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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.15437
|2 doi
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|a pubmed24n1057.xml
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|a (DE-627)NLM317238450
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|a (NLM)33155724
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|a DE-627
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|c DE-627
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|a eng
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| 100 |
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|a Ma, Ruoya
|e verfasserin
|4 aut
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|a Global soil-derived ammonia emissions from agricultural nitrogen fertilizer application
|b A refinement based on regional and crop-specific emission factors
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 21.04.2021
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|a Date Revised 21.04.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 John Wiley & Sons Ltd.
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|a Ammonia (NH3 ) emissions from fertilized soils to the atmosphere and the subsequent deposition to land surface exert adverse effects on biogeochemical nitrogen (N) cycling. The region- and crop-specific emission factors (EFs) of N fertilizer for NH3 are poorly developed and therefore the global estimate of soil NH3 emissions from agricultural N fertilizer application is constrained. Here we quantified the region- and crop-specific NH3 EFs of N fertilizer by compiling data from 324 worldwide manipulative studies and focused to map the global soil NH3 emissions from agricultural N fertilizer application. Globally, the NH3 EFs averaged 12.56% and 14.12% for synthetic N fertilizer and manure, respectively. Regionally, south-eastern Asia had the highest NH3 EFs of synthetic N fertilizer (19.48%) and Europe had the lowest (6%), which might have been associated with the regional discrepancy in the form and rate of N fertilizer use and management practices in agricultural production. Global agricultural NH3 emissions from the use of synthetic N fertilizer and manure in 2014 were estimated to be 12.32 and 3.79 Tg N/year, respectively. China (4.20 Tg N/year) followed by India (2.37 Tg N/year) and America (1.05 Tg N/year) together contributed to over 60% of the total global agricultural NH3 emissions from the use of synthetic N fertilizer. For crop-specific emissions, the NH3 EFs averaged 11.13%-13.95% for the three main staple crops (i.e., maize, wheat, and rice), together accounting for 72% of synthetic N fertilizer-induced NH3 emissions from croplands in the world and 70% in China. The region- and crop-specific NH3 EFs of N fertilizer established in this study offer references to update the default EF in the IPCC Tier 1 guideline. This work also provides an insight into the spatial variation of soil-derived NH3 emissions from the use of synthetic N fertilizer in agriculture at the global and regional scales
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|a Journal Article
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|a ammonia
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|a emission factor
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|a estimate
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|a fertilizer application
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|a reactive nitrogen
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|a Fertilizers
|2 NLM
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| 650 |
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|a Soil
|2 NLM
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| 650 |
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|a Ammonia
|2 NLM
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| 650 |
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|a 7664-41-7
|2 NLM
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| 650 |
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|a Nitrous Oxide
|2 NLM
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| 650 |
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|a K50XQU1029
|2 NLM
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| 650 |
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Zou, Jianwen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Han, Zhaoqiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Kai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Shuang
|e verfasserin
|4 aut
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| 700 |
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|a Li, Zhaofu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Shuwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Niu, Shuli
|e verfasserin
|4 aut
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| 700 |
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|a Horwath, William R
|e verfasserin
|4 aut
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| 700 |
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|a Zhu-Barker, Xia
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Global change biology
|d 1999
|g 27(2021), 4 vom: 23. Feb., Seite 855-867
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
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|g volume:27
|g year:2021
|g number:4
|g day:23
|g month:02
|g pages:855-867
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| 856 |
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|u http://dx.doi.org/10.1111/gcb.15437
|3 Volltext
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|d 27
|j 2021
|e 4
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|c 02
|h 855-867
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