지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.11
- 수록면
- 575 - 588 (14page)
이용수
초록· 키워드
오류제보하기
Intermittent drainage can reduce methane (CH₄) emission from rice paddy soils, but nitrous oxide (N₂O) emission can increase. We believe that the slow released N fertilizer can mitigate N₂O emissions by reducing N lost to the environment. In this study, we tried to assess the influence of slow N fertilizer on effective greenhouse gas (GHG) reduction. We installed three different treatments, urea (U) treatment, controlled release fertilizer (CRF) treatment, and hairy vetch with urea (HV) treatment. The emission rates of CH₄ and N₂O were monitored using the closed chamber method during cropping and fallow season. The grain yield was investigated to calculate yield scaled greenhouse gas intensity (GHGI). Compared with U treatment, CH₄ emission was reduced in CRF but increased in HV treatment. In contrast, N₂O emission was increased in CRF but reduced in HV treatment. Grain yield was increased in CRF and HV treatment than U treatment. The GHGI was the lowest in CRF treatment by high grain yield and low GHG emission. In contrast, GHGI was the highest in HV treatment due to increased CH₄ emission. In conclusion, controlled release fertilizer can effectively reduce GHG emission. However, CRF application increased N₂O emissions during the fallow season, and further investigation is needed to determine whether this is due to the effect of fertilizer residues. In addition, due to field experiments that are easy to influenced by the environmental condition, it seems necessary to verify the research results through additional investigations over many years.
목차
ABSTRACT
Introduction
Materials and Methods
Results
Discussion
Conclusions
References
참고문헌 (48)
참고문헌 신청
Al-Shammary, A.A.G., A.Z. Kouzani, A. Kaynak, S.Y. Khoo, M. Norton, and W. Gates. 2018. Soil bulk density estimation methods: A Review. Pedosphere 28:581-596.
Andersson, S. and S.I. Nilsson. 2001. Influence of pH and temperature on microbial activity, substrate availability of soil-solution bacteria and leaching of dissolved organic carbon in a mor humus. Soil Biol. Biochem. 33:1181-1191.
Anitha, K. and G. Bindu. 2016. Effect of controlled-release nitrogen fertilizer on methane emission from paddy field soil. Procedia Technology 24:196-202.
Azeem, B., K. KuShaari, Z.B. Man, A. Basit, and T.H. Thanh. 2014. Review on materials & methods to produce controlled release coated urea fertilizer. J. Controll. Release 181:11-21.
Baggs, E. and L. Philippot. 2010. Microbial terrestrial pathways to N2O. (Ed.), Springer Netherlands, Dordrecht.
Andersson, S. and S.I. Nilsson. 2001. Influence of pH and temperature on microbial activity, substrate availability of soil-solution bacteria and leaching of dissolved organic carbon in a mor humus. Soil Biol. Biochem. 33:1181-1191.
Anitha, K. and G. Bindu. 2016. Effect of controlled-release nitrogen fertilizer on methane emission from paddy field soil. Procedia Technology 24:196-202.
Azeem, B., K. KuShaari, Z.B. Man, A. Basit, and T.H. Thanh. 2014. Review on materials & methods to produce controlled release coated urea fertilizer. J. Controll. Release 181:11-21.
Baggs, E. and L. Philippot. 2010. Microbial terrestrial pathways to N2O. (Ed.), Springer Netherlands, Dordrecht.
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