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논문 기본 정보

자료유형
학술저널
저자정보
Youngho Seo (Gangwon Agricultural Research & Extension Services) Gunyeob Kim (RDA) Kijin Park (Gangwon Agricultural Research & Extension Services) Kyunghi Kim (Gangwon Agricultural Research & Extension Services) Yeong-Sang Jung (Kangwon National University)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제46권 제6호
발행연도
2013.12
수록면
463 - 468 (6page)

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초록· 키워드

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The level of nitrous oxide (N₂O), a long-lived greenhouse gas, in atmosphere has increased mainly due to anthropogenic source, especially application of nitrogen fertilizers. Quantifying N₂O emission from agricultural field is essential to develop national inventories of greenhouse gases (GHGs) emission. The objective of the study was to develop emission factor to estimate direct N₂O emission from agricultural field in Gangwon-do, Korea by measuring N₂O emissions from potato (Solanum tuberosum), red pepper (Capsicum annum L.), and Chinese cabbage (Brassica campestris L.) cultivation lands from 2009 to 2012. Accumulated N₂O emission was 1.48±0.25 kg N2O-N ha<SUP>-1</SUP> for red pepper, 1.27±0.27 kg N₂O-N ha<SUP>-1</SUP> for potato, 1.49±0.06 kg N₂O-N ha<SUP>-1</SUP> for Chinese cabbage cultivated in spring, and 1.14±0.22 kg N₂O-N ha<SUP>-1</SUP> for fall Chinese cabbage. Emission factor of N₂O calculated from accumulated N₂O emission, nitrogen fertilization rate, and background N₂O emission was 0.0051±0.0016 kg N₂O-N kg<SUP>-1</SUP> N for cropland in Gangwon province. More extensive study is deserved to be conducted to develop N₂O emission factor for upland crops in Korea through examining the emission factors from various regions and crops because N₂O emission is influenced by many factors including climate characteristics, soil properties, and agricultural practices.

목차

Introduction
Materials and Methods
Results and Discussion
Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2015-520-001031529