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Analysis of Research Trends in Nitrous Oxide Emissions from Upland in Korea
이선일,이창규,김건엽,권효숙,이종식,최은정,신종두 한국토양비료학회 2019 한국토양비료학회지 Vol.52 No.4
Global climate change, especially global warming is considered as threat to our future and posterity. Increasing concentrations of greenhouse gas such as carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) are the main causes of global warming. The Korean government has set a goal to cut the carbon emissions by 37% based on business-as-usual levels by 2030. According to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC), agricultural sector is an important source of greenhouse gas emissions. In this regard, it is common belief that reducing of such emission is of great significance to global climate change. In Korea, upland is one of the main sources of agricultural N2O emission. In order to analyze domestic research trends related to N2O emissions in the upland, 53 academic publications from 2009 to September 2019 were critically reviewed. The results were classified according to the research purposes. Reduction technologies of N2O emission account for approximately 28.3%. N2O characteristics and assessment for 24.5%, development of N2O emission factors for 22.6%, and N2O inventory assessment for 20.8% etc. Biochar, green manure, no tillage, and inhibitor were studied as a means of reducing N2O release. The optimum technologies to reduce N2O emission in Korea were discussed and proposed through the previous researches.
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