Long-term bare fallow soil reveals the temperature sensitivity of priming effect of the relatively stabilized soil organic matter.
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| Title: | Long-term bare fallow soil reveals the temperature sensitivity of priming effect of the relatively stabilized soil organic matter. |
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| Authors: | Zhang, Xiuwei1,2 (AUTHOR) xiuwei8689@163.com, Zhu, Biao3 (AUTHOR) biaozhu@pku.edu.cn, Yu, Fei-Hai1 (AUTHOR), Wang, Peng2 (AUTHOR), Cheng, Weixin4 (AUTHOR) |
| Source: | Plant & Soil. Jul2023, Vol. 488 Issue 1/2, p57-70. 14p. 3 Charts, 4 Graphs. |
| Subjects: | Soil temperature, Fallowing, Forest litter, Organic compounds, Temperature effect |
| Abstract: | Background and aims: Priming effect (PE) plays an important role in modifying the decomposition of soil organic matter (SOM), but large uncertainties remain in the temperature effect on PE mainly due to the variation in SOM stability. Methods: We tested the temperature effect on PE of the relatively stabilized SOM by incubating soils collected from a bare fallow (representing the relatively stabilized SOM) and its adjacent old field (containing both stabilized SOM and labile SOM) at 10 and 20 °C for 815 days. We used a natural 13C abundance tracer method for measuring the PE. Results: Positive PE was observed in all treatment combinations when maize leaf litter was added. The temperature sensitivity of PE in the bare fallow soil and the old field soil was quite different: increasing temperature significantly enhanced the magnitude of PE in the bare fallow soil, but had no effect on it in the old field soil. The increase of microbial biomass C by litter addition was higher in the bare fallow soil than in the old field soil. Furthermore, for litter-treated soil, temperature increase significantly increased net N mineralization rate throughout the incubation in the bare fallow soil, but had minor effect on it in the old field soil at the end of incubation. Conclusions: Overall, this study demonstrates that PE of the relatively stabilized SOM is sensitive to temperature, which may be mainly driven by greater microbial growth and demand for N. [ABSTRACT FROM AUTHOR] |
| Copyright of Plant & Soil is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
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| Header | DbId: egs DbLabel: Engineering Source An: 170004350 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Long-term bare fallow soil reveals the temperature sensitivity of priming effect of the relatively stabilized soil organic matter. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Xiuwei%22">Zhang, Xiuwei</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> xiuwei8689@163.com</i><br /><searchLink fieldCode="AR" term="%22Zhu%2C+Biao%22">Zhu, Biao</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> biaozhu@pku.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Yu%2C+Fei-Hai%22">Yu, Fei-Hai</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Peng%22">Wang, Peng</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cheng%2C+Weixin%22">Cheng, Weixin</searchLink><relatesTo>4</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Plant+%26+Soil%22">Plant & Soil</searchLink>. Jul2023, Vol. 488 Issue 1/2, p57-70. 14p. 3 Charts, 4 Graphs. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Soil+temperature%22">Soil temperature</searchLink><br /><searchLink fieldCode="DE" term="%22Fallowing%22">Fallowing</searchLink><br /><searchLink fieldCode="DE" term="%22Forest+litter%22">Forest litter</searchLink><br /><searchLink fieldCode="DE" term="%22Organic+compounds%22">Organic compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Temperature+effect%22">Temperature effect</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Background and aims: Priming effect (PE) plays an important role in modifying the decomposition of soil organic matter (SOM), but large uncertainties remain in the temperature effect on PE mainly due to the variation in SOM stability. Methods: We tested the temperature effect on PE of the relatively stabilized SOM by incubating soils collected from a bare fallow (representing the relatively stabilized SOM) and its adjacent old field (containing both stabilized SOM and labile SOM) at 10 and 20 °C for 815 days. We used a natural 13C abundance tracer method for measuring the PE. Results: Positive PE was observed in all treatment combinations when maize leaf litter was added. The temperature sensitivity of PE in the bare fallow soil and the old field soil was quite different: increasing temperature significantly enhanced the magnitude of PE in the bare fallow soil, but had no effect on it in the old field soil. The increase of microbial biomass C by litter addition was higher in the bare fallow soil than in the old field soil. Furthermore, for litter-treated soil, temperature increase significantly increased net N mineralization rate throughout the incubation in the bare fallow soil, but had minor effect on it in the old field soil at the end of incubation. Conclusions: Overall, this study demonstrates that PE of the relatively stabilized SOM is sensitive to temperature, which may be mainly driven by greater microbial growth and demand for N. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Plant & Soil is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1007/s11104-021-05260-w Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 14 StartPage: 57 Subjects: – SubjectFull: Soil temperature Type: general – SubjectFull: Fallowing Type: general – SubjectFull: Forest litter Type: general – SubjectFull: Organic compounds Type: general – SubjectFull: Temperature effect Type: general Titles: – TitleFull: Long-term bare fallow soil reveals the temperature sensitivity of priming effect of the relatively stabilized soil organic matter. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Zhang, Xiuwei – PersonEntity: Name: NameFull: Zhu, Biao – PersonEntity: Name: NameFull: Yu, Fei-Hai – PersonEntity: Name: NameFull: Wang, Peng – PersonEntity: Name: NameFull: Cheng, Weixin IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 07 Text: Jul2023 Type: published Y: 2023 Identifiers: – Type: issn-print Value: 0032079X Numbering: – Type: volume Value: 488 – Type: issue Value: 1/2 Titles: – TitleFull: Plant & Soil Type: main |
| ResultId | 1 |
