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http://dx.doi.org/10.7745/KJSSF.2011.44.6.1207

Assessment on Nitrous oxide (N2O) Emissions of Korea Agricultural Soils in 2009  

Jeong, Hyun-Cheol (National Academy of Agricultural Science, RDA)
Kim, Gun-Yeob (National Academy of Agricultural Science, RDA)
Lee, Deog-Bae (National Academy of Agricultural Science, RDA)
Shim, Kyo-Moon (National Academy of Agricultural Science, RDA)
Lee, Seul-Bi (National Academy of Agricultural Science, RDA)
Kang, Kee-Kyung (National Academy of Agricultural Science, RDA)
Publication Information
Korean Journal of Soil Science and Fertilizer / v.44, no.6, 2011 , pp. 1207-1213 More about this Journal
Abstract
This study was conducted to assess $N_2O$ emissions in agricultural soils of Korea. According to 1996 and 2006 IPCC (Intergovernmental Panel on Climate Change) methodology, $N_2O$ emission was calculated the sum of direct emission ($N_2O_{DIRECT}$) and indirect emission ($N_2O_{INDIRECT}$). To calculate $N_2O$ emissions, emission factor was used default of IPCC and activity data was used the food, agricultural, forestry and fisheries statistical yearbook of MIFAFF (Ministry for Food, Agriculture, Forestry and Fisheries). It was emitted 8,608 $N_2O$ Mg resulted from direct emission by application of chemical fertilizer and animal manure, input in n-fixation crops and input of crop residues and emissions converted $N_2O$ into $CO_2$ equivalent was 2,668 $CO_2$-eq Gg. Indirect emission as $N_2O_{(G)}$ (atmospheric deposition of $NH_3$ and $NO_X$) and $N_2O_{(L)}$ (leaching and runoffs) were 4,567 and 6,013 $N_2O$ Mg and emissions converted $N_2O$ into $CO_2$ equivalent were 1,416 and 1,864 $CO_2$-eq Gg, respectively. Total $N_2O$ emission in Korea agricultural soil in 2009 was 5,948 $CO_2$-eq Gg.
Keywords
Greenhouse gas; Nitrous oxide (N2); Direct emission; Indirect emission;
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