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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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- 학술저널
- 저자정보
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- 2012.12
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- 1,187 - 1,193 (7page)
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초록· 키워드
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Water control is mainly one of the key factors that can affect nitrous oxide (N<sub>2</sub>O) emissions from soils. This study was undertaken to determine the effect of intermittent drainage compared to continuous flooding (conventional water regime) on N<sub>2</sub>O emission to global warming potential (GWP) with NPK (standard cultivation practice), NPK+Straw, and PK fertilizations. Nitrous oxide emission rates were collected twice a week using a closed chamber method. With continuous flooding, nitrogen (N) application increased N<sub>2</sub>O emission by 106.6% (0.64 kg ha<sup>-1</sup> in NPK) with respect to the PK treatment (0.31 kg ha<sup>-1</sup>), and straw addition to NPK enhanced 148.3% of seasonal N<sub>2</sub>O flux (0.77 kg ha<sup>-1</sup> in NPK+Straw). Although seasonal N<sub>2</sub>O emission slightly increased by 16.1-42.9% with intermittent irrigation, its seasonal CH<sub>4</sub> emission drastically reduced at 43.5-52.8% resulting in a lower GWP at 48.9-58.5% with respect to that of continuously flooded treatments (4.51 Mg CO<sub>2</sub> ha<sup>-1</sup>, PK; 7.60 Mg CO<sub>2</sub> ha<sup>-1</sup>, NPK; 14.55 Mg CO<sub>2</sub> ha<sup>-1</sup>, NPK+Straw). Rice yield, at similar fertilization with the continuously-flooded rice field, was not affected by intermittent irrigation. Conclusively, intermittent irrigation can be very effective and a rational soil management strategy to mitigate GWP with considering rice productivity in a temperate paddy rice field like Korea.
목차
Introduction
Materials and Methods
Results and Discussions
Conclusion
References
참고문헌 (26)
참고문헌 신청
1. [단행본] - Allison, L.E. / 1965 / Organic carbon, In Methods of Soil Analysis, Part 2 / American Society of Agronomy : 1367 ~ 1376
2. [학술대회논문] - Amon, B. / 2000 / Nitrous oxide emissions from agriculture and mitigation options N2O emission aus der Landwirtschaft und Minderungsmog-lichkeiten / Paper Presented at Nussdorfel Laende A-1190 : 29 ~ 31
3. [학술지(정기간행물)] - Bhatia, A. / 2005 / Global warming potential of manure amended soils under rice-wheat system in the Indo-Gangetic Plains / Atmos. Environ 39 : 6976 ~ 6984
4. [학술지(정기간행물)] - Bhatia, A. / 2010 / Tradeoff between productivity enhancement and global warming potential of rice and wheat in India / Nutr. Cycl. Agroecosyst 86 : 413 ~ 424
5. [학술지(정기간행물)] - Bossio, D.A. / 1997 / Management changes in rice production alter microbial community / California Agriculture 51 : 33 ~ 40
2. [학술대회논문] - Amon, B. / 2000 / Nitrous oxide emissions from agriculture and mitigation options N2O emission aus der Landwirtschaft und Minderungsmog-lichkeiten / Paper Presented at Nussdorfel Laende A-1190 : 29 ~ 31
3. [학술지(정기간행물)] - Bhatia, A. / 2005 / Global warming potential of manure amended soils under rice-wheat system in the Indo-Gangetic Plains / Atmos. Environ 39 : 6976 ~ 6984
4. [학술지(정기간행물)] - Bhatia, A. / 2010 / Tradeoff between productivity enhancement and global warming potential of rice and wheat in India / Nutr. Cycl. Agroecosyst 86 : 413 ~ 424
5. [학술지(정기간행물)] - Bossio, D.A. / 1997 / Management changes in rice production alter microbial community / California Agriculture 51 : 33 ~ 40
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UCI(KEPA) : I410-ECN-0101-2014-520-003119340