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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.15371
|2 doi
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|a eng
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| 100 |
1 |
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|a Quan, Zhi
|e verfasserin
|4 aut
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|a The undefined N source might be overestimated by 15 N tracer trials
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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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 CommentOn: Glob Chang Biol. 2020 Jan;26(1):191-199. - PMID 31789452
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|a Citation Status MEDLINE
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| 520 |
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|a © 2020 John Wiley & Sons Ltd.
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|a Based on data from previous 15 N-tracer trials, Yan et al. (Global Change Biology, 26, 191-199; 2020) accounted the sources of cereal crop nitrogen (N) from fertilizer inputs (from both current and previous seasons) and possible uptake of nonfertilizer N inputs, leaving a significant part of N source undefined. We argue that the undefined N source does not reflect the net change in soil N stock and might be overestimated for three reasons: (a) higher yield in 15 N tracer trials; (b) a low residue return rate is assumed; (c) underestimated contribution by fertilizer inputs from previous seasons due to the lack of long-term trials
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|a Letter
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|a Comment
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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 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, Xin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fang, Yunting
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Global change biology
|d 1999
|g 27(2021), 3 vom: 21. Feb., Seite 467-468
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|x 1365-2486
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|g volume:27
|g year:2021
|g number:3
|g day:21
|g month:02
|g pages:467-468
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|u http://dx.doi.org/10.1111/gcb.15371
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