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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.13918
|2 doi
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|a pubmed24n0921.xml
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|a (DE-627)NLM276434226
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|a (NLM)28973790
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Li, Tingyu
|e verfasserin
|4 aut
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| 245 |
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|a Enhanced-efficiency fertilizers are not a panacea for resolving the nitrogen problem
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 15.10.2018
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|a Date Revised 09.01.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2017 John Wiley & Sons Ltd.
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|a Improving nitrogen (N) management for greater agricultural output while minimizing unintended environmental consequences is critical in the endeavor of feeding the growing population sustainably amid climate change. Enhanced-efficiency fertilizers (EEFs) have been developed to better synchronize fertilizer N release with crop uptake, offering the potential for enhanced N use efficiency (NUE) and reduced losses. Can EEFs play a significant role in helping address the N management challenge? Here we present a comprehensive analysis of worldwide studies published in 1980-2016 evaluating four major types of EEFs (polymer-coated fertilizers PCF, nitrification inhibitors NI, urease inhibitors UI, and double inhibitors DI, i.e. urease and nitrification inhibitors combined) regarding their effectiveness in increasing yield and NUE and reducing N losses. Overall productivity and environmental efficacy depended on the combination of EEF type and cropping systems, further affected by biophysical conditions. Best scenarios include: (i) DI used in grassland (n = 133), averaging 11% yield increase, 33% NUE improvement, and 47% decrease in aggregated N loss (sum of NO3- , NH3 , and N2 O, totaling 84 kg N/ha); (ii) UI in rice-paddy systems (n = 100), with 9% yield increase, 29% NUE improvement, and 41% N-loss reduction (16 kg N/ha). EEF efficacies in wheat and maize systems were more complicated and generally less effective. In-depth analysis indicated that the potential benefits of EEFs might be best achieved when a need is created, for example, by downward adjusting N application from conventional rate. We conclude that EEFs can play a significant role in sustainable agricultural production but their prudent use requires firstly eliminating any fertilizer mismanagement plus the implementation of knowledge-based N management practices
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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| 650 |
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|a ammonia loss
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| 650 |
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4 |
|a biophysical conditions
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| 650 |
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4 |
|a enhanced efficiency fertilizers
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| 650 |
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4 |
|a nitrate leaching
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| 650 |
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4 |
|a nitrogen management
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| 650 |
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|a nitrous oxide emission
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| 650 |
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|a Fertilizers
|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 Zhang, Weifeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yin, Jiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chadwick, David
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Norse, David
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Yuelai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Xuejun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Xinping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Fusuo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Powlson, David
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dou, Zhengxia
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Global change biology
|d 1999
|g 24(2018), 2 vom: 20. Feb., Seite e511-e521
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
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|g volume:24
|g year:2018
|g number:2
|g day:20
|g month:02
|g pages:e511-e521
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| 856 |
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|u http://dx.doi.org/10.1111/gcb.13918
|3 Volltext
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|d 24
|j 2018
|e 2
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|c 02
|h e511-e521
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