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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.11
- 수록면
- 464 - 475 (12page)
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초록· 키워드
오류제보하기
Reduced tillage is a useful practice to increase soil organic carbon (SOC) stock and decrease methane (CH₄) emission in a rice paddy. However, the impacts of reduced tillage on the global warming potential (GWP) are generally analyzed for CH₄ fluxes only during rice cultivation season. This study was conducted to investigate the effects of tillage on greenhouse gas (GHG) emission including both CH₄ and nitrous oxide (N₂O) and SOC stock changes were evaluated during the fallow season under two different tillage systems (conventional tillage and reduced tillage practice). The emission rate of GHG emissions was monitored using the closed chamber method. The SOC stock changes were estimated by the net ecosystem C budget (NECB), which is defined as the difference between total organic C input and output. Finally, the net global warming potential (net GWP), which was calculated as CO₂ equivalents was compared between the different tillage system in rice paddy during fallow season. The net GWP of tillage and reduced tillage treatment were 4.09 and 4.96 Mg CO₂ eq. ha<SUP>-1</SUP>, respectively during fallow season. However, the net GWP was not significantly different tillage systems. The decrease of SOC stock as CO₂ emission was the most influential part on increasing the net GWP. Our study suggest that regardless of tillage conditions, it is necessary to establish a greenhouse gas reduction strategy focusing on increasing SOC accumulation during the fallow season. However, as this study was conducted for only single fallow season, long-term study is required to estimate the cumulative effects of tillage treatment on GHG emissions during fallow seasons in paddy.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (32)
참고문헌 신청
Ahmad, S., C. Li, G. Dai, M. Zhan, J. Wang, S. Pan, and C. Cao. 2009. Greenhouse gas emission from direct seeding paddy field under different rice tillage systems in central China. Soil Tillage Res. 106(1):54-61.
Ali, M.A., C.H. Lee, Y.B. Lee, and P.J. Kim. 2009. Silicate fertilization in no-tillage rice farming for mitigation of methane emission and increasing rice productivity. Agric., Ecosyst. Environ. 132(1):16-22.
Alvarez, R. 2005. A review of nitrogen fertilizer and conservation tillage effects on soil organic carbon storage. Soil Use Manage. 21(1):38-52.
Ariani, M., P. Setyanto, and A. Wihardjaka. 2021. Water filled-pore space and soil temperature related to N2O fluxes from shallot cultivated in rainy and dry season. IOP Conf. Ser.: Earth Environ. Sci. 648(1):012109.
Blanco-Canqui, H. and S.J. Ruis. 2018. No-tillage and soil physical environment. Geoderma 326:164-200.
Ali, M.A., C.H. Lee, Y.B. Lee, and P.J. Kim. 2009. Silicate fertilization in no-tillage rice farming for mitigation of methane emission and increasing rice productivity. Agric., Ecosyst. Environ. 132(1):16-22.
Alvarez, R. 2005. A review of nitrogen fertilizer and conservation tillage effects on soil organic carbon storage. Soil Use Manage. 21(1):38-52.
Ariani, M., P. Setyanto, and A. Wihardjaka. 2021. Water filled-pore space and soil temperature related to N2O fluxes from shallot cultivated in rainy and dry season. IOP Conf. Ser.: Earth Environ. Sci. 648(1):012109.
Blanco-Canqui, H. and S.J. Ruis. 2018. No-tillage and soil physical environment. Geoderma 326:164-200.
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