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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.11
- 수록면
- 475 - 487 (13page)
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초록· 키워드
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Long-term fertilizations of inorganic and organic fertilizers can affect microbial abundance and community structure in agricultural soils, particularly controlling the activities of methane (CH₄) microbes such as methanotrophs in the rice paddy soils. However, the effect of fertilizations on CH₄ oxidation potential and methanotrophic community remains unclear. In order to investigate the response of the soil bacterial community abundance, composition, and CH₄ oxidation potential under four different fertilization regimes (control, NPK, compost, and NPK + compost) in a 49-year old paddy field, the soil bacterial community abundance and structure including CH₄-oxidizing microbes as well as the potential of CH₄ oxidation were investigated by assessing real time quantitative PCR (qPCR), Miseq illumina sequencing analysis based on 16S rRNA genes, and oxic in vitro slurry incubation, respectively. Long-term fertilizations changed significantly soil biochemical characteristics, mainly influencing carbon and nitrogen pools in rice paddy soils. CH₄ oxidation potential was stimulated by inorganic fertilizations, mainly increasing the relative abundance of the genus Methylosarcina probably due to increased N availability and soil pH in the soils. Our results showed inorganic fertilizations may enhance CH₄ oxidation potential by altering methanotrophic communities, which potentially mitigate CH₄ emissions in paddy ecosystems during the cultivation. However, additional research would be necessary for a better understanding of CH₄ dynamics in rice paddy soils under the long-term field conditions.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (37)
참고문헌 신청
Ahn, J.-H., S.A. Lee, J.M. Kim, M.-S. Kim, J. Song, and H.-Y. Weon. 2016. Dynamics of bacterial communities in rice field soils as affected by different long-term fertilization practices. J. Microbiol. 54(11):724-731.
Bodelier, P.L. 2011. Interactions between nitrogenous fertilizers and methane cycling in wetland and upland soils. Curr. Opin. Environ. Sustainability 3(5):379-388.
Bodelier, P.L.E. and A.K. Steenbergh. 2014. Interactions between methane and the nitrogen cycle in light of climate change. Curr. Opin. Environ. Sustainability 9-10(0):26-36.
Bodelier, P.L.E. and H.J. Laanbroek. 2004. Nitrogen as a regulatory factor of methane oxidation in soils and sediments. FEMS Microbiol. Ecol. 47(3):265-277.
Chan, A.S.K. and T.B. Parkin. 2001. Methane oxidation and production activity in soils from natural and agricultural ecosystems. J. Environ. Qual. 30:1896-1903.
Bodelier, P.L. 2011. Interactions between nitrogenous fertilizers and methane cycling in wetland and upland soils. Curr. Opin. Environ. Sustainability 3(5):379-388.
Bodelier, P.L.E. and A.K. Steenbergh. 2014. Interactions between methane and the nitrogen cycle in light of climate change. Curr. Opin. Environ. Sustainability 9-10(0):26-36.
Bodelier, P.L.E. and H.J. Laanbroek. 2004. Nitrogen as a regulatory factor of methane oxidation in soils and sediments. FEMS Microbiol. Ecol. 47(3):265-277.
Chan, A.S.K. and T.B. Parkin. 2001. Methane oxidation and production activity in soils from natural and agricultural ecosystems. J. Environ. Qual. 30:1896-1903.
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