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240118s2023 xx ||||| 00| ||eng c |
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|a 10.1007/s42729-023-01253-z
|2 doi
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|a (DE-He213)s42729-023-01253-z-p
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|b ger
|c DE-627
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|a eng
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|a Bu, Rongyan
|e verfasserin
|4 aut
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|a Continuous Co-incorporation of Chinese Milk Vetch and Rice Straw with Reduced Chemical Fertilizer Maintains Rice Yield as a Consequence of Increased Carbon and Nitrogen Storage in Soil Aggregates
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
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|a © The Author(s) under exclusive licence to Sociedad Chilena de la Ciencia del Suelo 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
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|a Despite increasing application of Chinese milk vetch (MV) and rice straw (RS), their combined effects on soil aggregate structure and nutrient storage are poorly understood. A field experiment was conducted to evaluate the effects of co-incorporation of MV and RS on rice yield and soil fertility. Five different fertilization regimes were adopted over a 3-year period. Chemical nitrogen (N) fertilizer was applied at a conventional rate (100%N) and a 40% reduced rate alone (60%N) or combined with MV (60%NMV), RS (60%NRS), and MV plus RS (60%NMVRS). Compared with the 100%N treatment, there were no distinct yield losses in the 60%NMV and 60%NMVRS treatments. Incorporation of organic amendments altered the composition of soil aggregates, as indicated by the increase of large (> 2 mm) and small (0.25–2 mm) macroaggregates and decrease of silt and clay (< 0.053 mm). The organic carbon and nitrogen storage were respectively decreased by 9.2% and 13.9% in the 60%N treatment, and this effect was diminished in the 60%NMVRS treatment, rather than the 60%NMV or 60%NRS treatment. The carbon and nitrogen storage in soil macroaggregates increased in response to organic amendments, and their peak values were observed in the 60%NMVRS treatment. Random forest analysis identified carbon and nitrogen storage in soil macroaggregates as the major contributors to rice yield. Continuous co-incorporation of Chinese milk vetch and rice straw maintained rice productivity with reduced nitrogen application as a consequence of improved soil aggregation (> 0.25 mm), increased carbon and nitrogen storage in macroaggregates, and enhanced nutrient availability. Graphical Abstract
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|a Green manure cultivation
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|a Rice straw return
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|a Rice productivity
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|a Soil aggregates
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|a Nitrogen storage
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|a Carbon storage
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1 |
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|a Cheng, Wenlong
|4 aut
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1 |
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|a Han, Shang
|4 aut
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1 |
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|a Hu, Run
|4 aut
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1 |
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|a Wang, Hui
|4 aut
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1 |
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|a Tang, Shan
|4 aut
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|a Li, Min
|4 aut
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1 |
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|a Zhu, Qin
|4 aut
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|a Wu, Ji
|4 aut
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|a Cao, Weidong
|4 aut
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773 |
0 |
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|i Enthalten in
|t Journal of soil science and plant nutrition
|d Springer International Publishing, 2010
|g 23(2023), 3 vom: 20. Apr., Seite 3361-3372
|h Online-Ressource
|w (DE-627)661265102
|w (DE-600)2611093-3
|w (DE-576)345036565
|x 0718-9516
|7 nnns
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773 |
1 |
8 |
|g volume:23
|g year:2023
|g number:3
|g day:20
|g month:04
|g pages:3361-3372
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|u https://doi.org/10.1007/s42729-023-01253-z
|z lizenzpflichtig
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936 |
b |
k |
|a 48.30
|j Natürliche Ressourcen
|j Natürliche Ressourcen
|x Land- und Forstwirtschaft
|q VZ
|
936 |
b |
k |
|a 58.52
|j Technischer Bodenschutz
|j technischer Gewässerschutz
|j Technischer Bodenschutz
|j technischer Gewässerschutz
|q VZ
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951 |
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|a AR
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|d 23
|j 2023
|e 3
|b 20
|c 04
|h 3361-3372
|