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Assessment of Integrated N2O Emission Factor for Korea Upland Soils Cultivated with Red Pepper, Soy Bean, Spring Cabbage, Autumn Cabbage and Potato

  • Kim, Gun-Yeob (National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Na, Un-Sung (National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Lee, Sun-Il (National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Jeong, Hyun-Cheol (National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Kim, Pil-Joo (Gyeongsang National University) ;
  • Lee, Jong-Eun (Chungcheongnam-do Agricultural Research and Extension Services) ;
  • Seo, Young-Ho (Gangwondo Agricultural Research and Extension Services) ;
  • Lee, Jong-Sik (National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Choi, Eun-Jung (National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Suh, Sang-Uk (National Institute of Agricultural Sciences, Rural Development Administration)
  • Received : 2016.10.06
  • Accepted : 2016.11.15
  • Published : 2016.12.31

Abstract

Greenhouse-gas emission factors are widely used to estimate emissions arising from a defined unit of a specific activity. Such estimates are used both for international reporting to the United Nations Framework Convention on Climate Change (UNFCCC) and for myriad national and sub-national reporting purposes (for example, European Union Emissions Trading Scheme; EU ETS). As with the other so-called 'Kyoto protocol GHGs', the Intergovernmental Panel on Climate Change (IPCC) provides a methodology for national and sub-national estimation of $N_2O$ emissions, based on the sector from which the emissions arise. The objective of this study was to develop a integrated emission factor to estimate the direct $N_2O$ emission from an agricultural field cultivated with the red pepper, soy bean, spring cabbage, autumn cabbage and potato in 2010~2012. Emission factor of $N_2O$ calculated using accumulated $N_2O$ emission, N fertilization rate, and background $N_2O$ emission over three year experiment was $0.00596{\pm}0.001337kg$ $N_2O-N(N\;kg)^{-1}$. More extensive studies need to be conducted to develop $N_2O$ emission factors for other upland crops in the various regions of Korea because $N_2O$ emission is influenced by many factors including climate characteristics, soil properties, and agricultural practices.

Keywords

References

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