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Articles | Volume 8, issue 2
Articles | Volume 8, issue 2
https://doi.org/10.5194/soil-8-645-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/soil-8-645-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 8, issue 2
Original research article
 | 
06 Oct 2022
Original research article |  | 06 Oct 2022

Effects of mild alternate wetting and drying irrigation and rice straw application on N2O emissions in rice cultivation

Kaikuo Wu, Wentao Li, Zhanbo Wei, Zhi Dong, Yue Meng, Na Lv, and Lili Zhang

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Short summary
We explored the effects of mild alternate wetting and drying (AWD) irrigation combined with rice straw return on N2O emissions and rice yield through rice pot experiments. Mild AWD irrigation significantly increased both N2O and yield-scaled N2O emissions. The addition of rice straw under mild AWD irrigation could promote N2O emissions. Mild AWD irrigation could reduce soil-nitrogen uptake by rice when urea was applied. Mild AWD irrigation reduced rice aboveground biomass but not rice yield.
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