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240826s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2024.08.009
|2 doi
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|a pubmed24n1533.xml
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|a (DE-627)NLM376680172
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|a (NLM)39180805
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|a (PII)S0956-053X(24)00443-4
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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 Wang, Kechun
|e verfasserin
|4 aut
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|a Reuse of straw in the form of hydrochar
|b Balancing the carbon budget and rice production under different irrigation management
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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 13.09.2024
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|a Date Revised 13.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier Ltd. All rights reserved.
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|a Hydrochar is proposed as a climate-friendly organic fertilizer, but its potential impact on greenhouse gas (GHG) emissions in paddy cultivation is not fully understood. This two-year study compared the impact of exogenous organic carbon (EOC) application (rice straw and hydrochar) on GHG emissions, the net ecosystem carbon budget (NECB), net global warming potential (net GWP), and GHG emission intensity (GHGI) in a rice pot experiment using either flooding irrigation (FI) or controlled irrigation (CI). Compared with FI, CI increased ecosystem respiration by 23 - 44 % and N2O emissions by 85 - 137 % but decreased CH4 emissions by 30 - 58 % (p < 0.05). Since CH4 contributed more to net GWP than N2O, CI reduced net GWP by 16 - 220 %. EOC amendment increased crop yield by 5 - 9 % (p < 0.05). Compared with CK, hydrochar application increased initial GHG emission, net GWP and GHGI in the first year, while in the second year, there was no significant difference in net GWP and GHGI between CI-hydrochar and CK. Compared with straw addition, hydrochar amendment reduced net GWP and GHGI by 20 - 66 % and 21 - 66 %; and exhibited a lower net CO2 emission when considering the energy input during the hydrochar production. These findings suggest that integrated CI-hydrochar practices would be a sustainable and eco-friendly way for organic waste management in rice production as it holds potential to enhance the NECB and SOC sequestration of rice production, while also offsetting the extra carbon emissions from organic inputs
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|a Journal Article
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|a Carbon budget
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|a Carbon sequestration
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|a Greenhouse gas emission
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|a Hydrochar
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|a Straw recycling
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| 650 |
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|a Waste management
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| 650 |
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|a Greenhouse Gases
|2 NLM
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| 650 |
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|a Carbon
|2 NLM
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| 650 |
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|a 7440-44-0
|2 NLM
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| 650 |
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|a Fertilizers
|2 NLM
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| 700 |
1 |
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|a Xu, Junzeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Hang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Min, Zhihui
|e verfasserin
|4 aut
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| 700 |
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|a Wei, Qi
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Peng
|e verfasserin
|4 aut
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| 700 |
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|a Sleutel, Steven
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 189(2024) vom: 01. Sept., Seite 77-87
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:189
|g year:2024
|g day:01
|g month:09
|g pages:77-87
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|u http://dx.doi.org/10.1016/j.wasman.2024.08.009
|3 Volltext
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|d 189
|j 2024
|b 01
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|h 77-87
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