IJESD 2020 Vol.11(3): 128-132 ISSN: 2010-0264
doi: 10.18178/ijesd.2020.11.3.1238
doi: 10.18178/ijesd.2020.11.3.1238
Mitigation Potential of Nitrous Oxide Emissions from Irrigated Rice Fields by the DNDC-Rice Model
Kruamas Smakgahn
Abstract—The DNDC-Rice model was used to obtain mitigation potential of N2O emission from flooded rice fields under various water management regimes in central Thailand. The alternative water management (midseason drainage, multiple drainage, and local method) emitted approximately 61% of N2O emissions higher than conventional water management (continuously flooded). The short drainage period (local method) emitted the lowest emission compared to other treatments. There was no difference in crop carbon, harvest part, shoot and root portion among 4 treatments. Also, the efficiency of nitrogen uptake by the crop of all treatments was not different. The continuously flooded and short drainage period is an interesting candidate for mitigating N2O emissions from irrigated rice cultivation. However, multiple drainages are a remarkable effective practice to reduce greenhouse gases (CH4 and N2O) emissions from the rice field.
Index Terms—Alternative water regime, field drainage, greenhouse gas, nitrous oxide, mitigation.
Kruamas Smakgahn is with Faculty of Liberal Arts and Science, Kasetsart University Kamphaeng Saen Campus, Kamphaeng Saen District, Nakhon Pathom Province, 73140, Thailand (e-mail: faaskms@ku.ac.th).
Index Terms—Alternative water regime, field drainage, greenhouse gas, nitrous oxide, mitigation.
Kruamas Smakgahn is with Faculty of Liberal Arts and Science, Kasetsart University Kamphaeng Saen Campus, Kamphaeng Saen District, Nakhon Pathom Province, 73140, Thailand (e-mail: faaskms@ku.ac.th).
Cite: Kruamas Smakgahn, "Mitigation Potential of Nitrous Oxide Emissions from Irrigated Rice Fields by the DNDC-Rice Model," International Journal of Environmental Science and Development vol. 11, no. 3, pp. 128-132, 2020.
Copyright © 2020 by the authors. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).General Information
- ISSN: 2010-0264 (Print); 2972-3698 (Online)
- Abbreviated Title: Int. J. Environ. Sci. Dev.
- Frequency: Bimonthly
- DOI: 10.18178/IJESD
- Editor-in-Chief: Prof. Richard Haynes
- Managing Editor: Ms. Cherry L. Chen
- Indexing: Scopus (CiteScore 2022: 1.4), Google Scholar, CNKI, ProQuest, EBSCO, etc.
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