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240630s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108887
|2 doi
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|a pubmed25n1246.xml
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Xia, Zhenqing
|e verfasserin
|4 aut
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|a Effects of root-zone warming, nitrogen supply and their interactions on root-shoot growth, nitrogen uptake and photosynthetic physiological characteristics of maize
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 04.08.2024
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|a Date Revised 04.08.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier Masson SAS. All rights reserved.
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|a In the context of climate change, the impact of root-zone warming (RW) on crop nutrient absorption and utilization has emerged as a significant concern that cannot be overlooked. Nitrogen (N) is an essential element for crop growth and development, particularly under stress. The comprehensive effect and relationship between RW and N level remains unclear. The objective of this experiment was to investigate the impact of RW on root-shoot growth and photosynthetic physiological characteristics of maize seedlings under varying N levels. The results demonstrated that optimal RW was beneficial to the growth of maize, while excessive root-zone temperature (RT) significantly impeded N uptake in maize. Under low N treatment, the proportion of N distribution in roots increased, and the root surface area increased by 41 %. Furthermore, under low N levels, the decline in root vitality and the increase in root MDA caused by high RT were mitigated, resulting in an enhancement of the root's ability to cope with stress. For the above-ground part, under the double stress of high RT and low N, the shoot N concentration, leaf nitrate reductase, leaf glutamine synthase, chlorophyll content, net photosynthetic rate and shoot dry matter accumulation decreased by 86 %, 60 %, 35 %, 53 %, 64 % and 59 %, respectively. It can be reasonably concluded that reasonable N management is an important method to effectively reduce the impact of high RT stress
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|a Journal Article
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|a Nitrogen level
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|a Nitrogen metabolism
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|a Photosynthesis
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|a Root-zone temperature
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|a maize (Zea mays L.)
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| 650 |
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|a Nitrogen
|2 NLM
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|a N762921K75
|2 NLM
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| 650 |
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|a Chlorophyll
|2 NLM
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|a 1406-65-1
|2 NLM
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| 700 |
1 |
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|a Gong, Yuxiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Yi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Mengke
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bai, Jingxuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Shibo
|e verfasserin
|4 aut
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| 700 |
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|a Lu, Haidong
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 214(2024) vom: 05. Sept., Seite 108887
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnas
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| 773 |
1 |
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|g volume:214
|g year:2024
|g day:05
|g month:09
|g pages:108887
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108887
|3 Volltext
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