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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.11
- 수록면
- 489 - 501 (13page)
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초록· 키워드
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Ethephon is one of the chemical stimulator of crop growth that is also considered as a structural analogue of coenzyme M (CoM), having a promising potential for methanogenic inhibitor. However, the effect of ethephon application on greenhouse gas (GHG) emissions under rice cultivation has not been studied yet. In this pot experiment, different levels of ethephon (0, 2.5, 5 and 10 ㎎ L<SUP>-1</SUP>) were applied at the presence or absence of manure compost as an organic amendment to study its effect on GHGs emissions in particular CH₄ and rice productivity during the cultivation. Application of ethephon effectively suppressed CH₄ emissions in particular the initial periods (ca. 3 weeks) right after the application as compared with control soil during rice cultivation, but did not significantly affect N₂O emissions. In addition, the maximum CH₄ reduction (82% reduction over control) was found at 10 ㎎ L<SUP>-1</SUP> ethephon application right after its addition for 3 weeks during rice cultivation. Rice productivity and yield properties were mainly affected by ethephon application, enhancing ripened grains and number of grains per panicle. Soil properties were not influenced by ethephon application except for available phosphate, which is probably due to enhanced root growth in rhizosphere soils. Conclusively, ethephon could be a new and pioneering amendment for reducing CH₄ emission in particular at the initial 3 weeks after the application without increasing other GHG emissions and enhancing rice productivity in paddy soils.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (38)
참고문헌 신청
Ali, M., C. Lee, and P. Kim. 2008. Effect of silicate fertilizer on reducing methane emission during rice cultivation. Biol. Fertil. Soils. 44:597-604.
Bridgham, S.D., H. Cadillo-Quiroz, J.K. Keller, and Q.L. Zhuang. 2013. Methane emissions from wetlands: biogeochemical, microbial, and modeling perspectives from local to global scales. Global Change Biol. 19:1325-1346.
Cao, W., and X. Yuan. 2019. Region-county characteristic of spatial-temporal evolution and influencing factor on land use-related CO2 emissions in Chongqing of China, 1997?2015. J. Clean Prod. 231:619-632.
Chidthaisong, A., and R. Conrad. 2000. Specificity of chloroform, 2-bromoethanesulfonate and fluoroacetate to inhibit methanogenesis and other anaerobic processes in anoxic rice field soil. Soil Biol. Biochem. 32:977-988.
Chowdhury, T.R., and R.P. Dick. 2013. Ecology of aerobic methanotrophs in controlling methane fluxes from wetlands. Appl. Soil Ecol. 65:8-22.
Bridgham, S.D., H. Cadillo-Quiroz, J.K. Keller, and Q.L. Zhuang. 2013. Methane emissions from wetlands: biogeochemical, microbial, and modeling perspectives from local to global scales. Global Change Biol. 19:1325-1346.
Cao, W., and X. Yuan. 2019. Region-county characteristic of spatial-temporal evolution and influencing factor on land use-related CO2 emissions in Chongqing of China, 1997?2015. J. Clean Prod. 231:619-632.
Chidthaisong, A., and R. Conrad. 2000. Specificity of chloroform, 2-bromoethanesulfonate and fluoroacetate to inhibit methanogenesis and other anaerobic processes in anoxic rice field soil. Soil Biol. Biochem. 32:977-988.
Chowdhury, T.R., and R.P. Dick. 2013. Ecology of aerobic methanotrophs in controlling methane fluxes from wetlands. Appl. Soil Ecol. 65:8-22.
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