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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.5
- 수록면
- 199 - 208 (10page)
이용수
초록· 키워드
오류제보하기
Rice (Oryza sativa L.) paddy soils are major sources of methane (CH₄) emission in the agricultural sector, and thus it is necessary to mitigate CH₄ emission from paddy soils. In this review, we have investigated the changes in CH₄ emission in South Korea for the last decades in relation with changes in rice cultivation area and rice production amount. We have also suggested managements for CH₄ reduction in rice cultivation systems. During the last 25 years since 1998, rice cultivation area has decreased by 30.8% and total CH₄ emission has also decreased by 33.5% accordingly. During the same period, total rice production has decreased by 23.8%, but rice production per unit area increased by 9.2% due to advances in agricultural technologies. The rice production per unit area was affected by rainfall (negatively) and air temperature (positively) in rice growing seasons, while CH₄ emissions per unit area for the last 25 years (8.10 - 8.81 ton (CO₂eq) ㏊<SUP>-1</SUP>) were not affected by weather conditions. However, CH₄ emissions per unit rice production (1.57 - 1.97 ton (CO₂eq) ton<SUP>-1</SUP>) were positively and negatively correlated with rainfall and air temperature, respectively, owing to the dependency of rice yield on weather conditions. Literature suggested that intermittent irrigation and shallow depth irrigation are effective in reducing CH₄ emission while increasing rice yield and saving water uses. In addition, it was also reported that minimum and reduced tillage could also decrease CH₄ emission while increasing soil organic carbon with marginal decreases in rice yield. Therefore, it may be possible to mitigate CH4 emission by employing theses irrigation and tillage methods while maintaining rice cultivation area for food security under climate change.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (26)
참고문헌 신청
Allen, L.H., S.L. Albrecht, W. Colón-Guasp, S.A. Covell, J.T. Baker, D. Pan, and K.J. Boote. 2003. Methane emissions of rice increased by elevated carbon dioxide and temperature. J. Environ. Qual. 32:1978-1991.
Cai, Z., G. Xing, X. Yan, H. Xu, H. Tsuruta, Y. Kazuyuki, and M. Katsuyuki. 1997. Methane and nitrous oxide emissions from rice paddy fields as affected by nitrogen fertilisers and water management. Plant Soil 196:7-14.
Cho, H.S., M.C. Seo, T.S. Park, and H.W. Kang. 2015. Effect of tillage depths on methane emission and rice yield in paddy soil during rice cultivation. Korean J. Crop Sci. 60:167-173.
Choi, J.S., J. Lee, S. Kang, D.W. Lee, W. Yang, S.K. Lee, S.H. Sin, and M.T. Kim. 2022. Response of yield and quality in major domestic rice (Oryza sativa L.) varieties according to the nitrogen application levels. Korean J. Crop Sci. 67:342-361.
GIR (Greenhouse Gas Inventory and Research Center). 2021. National greenhouse gas inventory report of Korea. Ministry of Environment, Incheon, Korea.
Cai, Z., G. Xing, X. Yan, H. Xu, H. Tsuruta, Y. Kazuyuki, and M. Katsuyuki. 1997. Methane and nitrous oxide emissions from rice paddy fields as affected by nitrogen fertilisers and water management. Plant Soil 196:7-14.
Cho, H.S., M.C. Seo, T.S. Park, and H.W. Kang. 2015. Effect of tillage depths on methane emission and rice yield in paddy soil during rice cultivation. Korean J. Crop Sci. 60:167-173.
Choi, J.S., J. Lee, S. Kang, D.W. Lee, W. Yang, S.K. Lee, S.H. Sin, and M.T. Kim. 2022. Response of yield and quality in major domestic rice (Oryza sativa L.) varieties according to the nitrogen application levels. Korean J. Crop Sci. 67:342-361.
GIR (Greenhouse Gas Inventory and Research Center). 2021. National greenhouse gas inventory report of Korea. Ministry of Environment, Incheon, Korea.
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