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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.16132
|2 doi
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|a pubmed24n1123.xml
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|a (DE-627)NLM337027927
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|a (NLM)35170831
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Bo, Yan
|e verfasserin
|4 aut
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|a Global benefits of non-continuous flooding to reduce greenhouse gases and irrigation water use without rice yield penalty
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|c 2022
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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 03.05.2022
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|a Date Revised 14.05.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 John Wiley & Sons Ltd.
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|a Non-continuous flooding is an effective practice for reducing greenhouse gas (GHG) emissions and irrigation water use (IRR) in rice fields. However, advancing global implementation is hampered by the lack of comprehensive understanding of GHGs and IRR reduction benefits without compromising rice yield. Here, we present the largest observational data set for such effects as of yet. By using Random Forest regression models based on 636 field trials at 105 globally georeferenced sites, we identified the key drivers of effects of non-continuous flooding practices and mapped maximum GHGs or IRR reduction benefits under optimal non-continuous flooding strategies. The results show that variation in effects of non-continuous flooding practices are primarily explained by the UnFlooded days Ratio (UFR, that is the ratio of the number of days without standing water in the field to total days of the growing period). Non-continuous flooding practices could be feasible to be adopted in 76% of global rice harvested areas. This would reduce the global warming potential (GWP) of CH4 and N2 O combined from rice production by 47% or the total GWP by 7% and alleviate IRR by 25%, while maintaining yield levels. The identified UFR targets far exceed currently observed levels particularly in South and Southeast Asia, suggesting large opportunities for climate mitigation and water use conservation, associated with the rigorous implementation of non-continuous flooding practices in global rice cultivation
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|a Journal Article
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|a Water conservation
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| 650 |
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|a climate change mitigation
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|a food security
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| 650 |
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|a methane emissions
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| 650 |
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|a nitrous oxide emissions
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| 650 |
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|a rice production
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| 650 |
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|a Greenhouse Gases
|2 NLM
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| 650 |
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|a Soil
|2 NLM
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| 650 |
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|a Water
|2 NLM
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| 650 |
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|a 059QF0KO0R
|2 NLM
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| 650 |
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|a Nitrous Oxide
|2 NLM
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| 650 |
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7 |
|a K50XQU1029
|2 NLM
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| 650 |
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7 |
|a Methane
|2 NLM
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| 650 |
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7 |
|a OP0UW79H66
|2 NLM
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| 700 |
1 |
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|a Jägermeyr, Jonas
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yin, Zun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Yu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Junzeng
|e verfasserin
|4 aut
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| 700 |
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|a Liang, Hao
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Feng
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Global change biology
|d 1999
|g 28(2022), 11 vom: 28. Juni, Seite 3636-3650
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
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|g volume:28
|g year:2022
|g number:11
|g day:28
|g month:06
|g pages:3636-3650
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|u http://dx.doi.org/10.1111/gcb.16132
|3 Volltext
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