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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.17001
|2 doi
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|a pubmed24n1274.xml
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|a (DE-627)NLM364389702
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Wang, Jiaxin
|e verfasserin
|4 aut
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|a Managing mineral phosphorus application with soil residual phosphorus reuse in Canada
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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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|a Date Completed 29.01.2024
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|a Date Revised 29.01.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023 The Authors. Global Change Biology published by John Wiley & Sons Ltd.
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|a With limited phosphorus (P) supplies, increasing P demand, and issues with P runoff and pollution, developing an ability to reuse the large amounts of residual P stored in agricultural soils is increasingly important. In this study, we investigated the potential for residual soil P to maintain crop yields while reducing P applications and losses in Canada. Using a P cycling model coupled with a soil P dynamics model, we analyzed soil P dynamics over 110 years across Canada's provinces. We found that using soil residual P may reduce mineral P demand as large as 132 Gg P year-1 (29%) in Canada, with the highest potential for reducing P applications in the Atlantic provinces, Quebec, Ontario, and British Columbia. Using residual soil P would result in a 21% increase in Canada's cropland P use efficiency. We expected that the Atlantic provinces and Quebec would have the greatest runoff P loss reduction with use of residual soil P, with the average P loss rate decreasing from 4.24 and 1.69 kg ha-1 to 3.45 and 1.38 kg ha-1 , respectively. Ontario, Manitoba, and British Columbia would experience relatively lower reductions in P loss through use of residual soil P, with the average runoff P loss rate decreasing from 0.44, 0.36, and 4.33 kg ha-1 to 0.19, 0.26, and 4.14 kg ha-1 , respectively. Our study highlights the importance of considering residual soil P as a valuable resource and its potential for reducing P pollution
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|a Journal Article
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|a biogeochemical cycles
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|a phosphorus fertilizer
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|a soil phosphorus loss
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|a water quality
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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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| 650 |
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|a Minerals
|2 NLM
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| 650 |
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|a Fertilizers
|2 NLM
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1 |
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|a Qi, Zhiming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bennett, Elena M
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Global change biology
|d 1999
|g 30(2024), 1 vom: 01. Jan., Seite e17001
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
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|g volume:30
|g year:2024
|g number:1
|g day:01
|g month:01
|g pages:e17001
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|u http://dx.doi.org/10.1111/gcb.17001
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