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

다국어 초록 (Multilingual 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 N2O 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 N2O emission from an agricultural field cultivated with the red pepper, soy bean, spring cabbage, autumn cabbage and potato in 2010∼2012. Emission factor of N2O calculated using accumulated N2O emission, N fertilization rate, and background N2O emission over three year experiment was 0.00596±0.001337 kg N2O-N (N kg)-1. More extensive studies need to be conducted to develop N2O emission factors for other upland crops in the various regions of Korea because N2O emission is influenced by many factors including climate characteristics, soil properties, and agricultural practices.

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