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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1111/nph.19294
|2 doi
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|a pubmed24n1226.xml
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|a DE-627
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|e rakwb
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|a eng
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|a Chen, Baozhang
|e verfasserin
|4 aut
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|a A meta-analysis highlights globally widespread potassium limitation in terrestrial ecosystems
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|c 2024
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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
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|2 rdacarrier
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|a Date Completed 11.12.2023
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|a Date Revised 11.12.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023 The Authors New Phytologist © 2023 New Phytologist Foundation.
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|a Potassium (K+ ) is the most abundant inorganic cation in plant cells, playing a critical role in various plant functions. However, the impacts of K on natural terrestrial ecosystems have been less studied compared with nitrogen (N) and phosphorus (P). Here, we present a global meta-analysis aimed at quantifying the response of aboveground production to K addition. This analysis is based on 144 field K fertilization experiments. We also investigate the influences of climate, soil properties, ecosystem types, and fertilizer regimes on the responses of aboveground production. We find that: K addition significantly increases aboveground production by 12.3% (95% CI: 7.4-17.5%), suggesting a widespread occurrence of K limitation across terrestrial ecosystems; K limitation is more prominent in regions with humid climates, acidic soils, or weathered soils; the effect size of K addition varies among climate zones/regions, and is influenced by multiple factors; and previous N : K and K : P thresholds utilized to detect K limitation in wetlands cannot be applied to other biomes. Our findings emphasize the role of K in limiting terrestrial productivity, which should be integrated into future terrestrial ecosystems models
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|a Meta-Analysis
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|a Journal Article
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|a aboveground production
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|a meta-analysis
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|a potassium fertilization
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|a potassium limitation
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|a terrestrial ecosystems
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|a Potassium
|2 NLM
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|a RWP5GA015D
|2 NLM
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|a Nitrogen
|2 NLM
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|a N762921K75
|2 NLM
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|a Soil
|2 NLM
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|a Phosphorus
|2 NLM
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| 650 |
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|a 27YLU75U4W
|2 NLM
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| 700 |
1 |
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|a Fang, Jingchun
|e verfasserin
|4 aut
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1 |
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|a Piao, Shilong
|e verfasserin
|4 aut
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| 700 |
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|a Ciais, Philippe
|e verfasserin
|4 aut
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| 700 |
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|a Black, Thomas Andrew
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Fei
|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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|a Zeng, Zhenzhong
|e verfasserin
|4 aut
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| 700 |
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|a Luo, Yiqi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 241(2023), 1 vom: 06. Jan., Seite 154-165
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:241
|g year:2023
|g number:1
|g day:06
|g month:01
|g pages:154-165
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|u http://dx.doi.org/10.1111/nph.19294
|3 Volltext
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