Assessment on Nitrous oxide (N₂O) Emissions of Korea Agricultural Soils in 2009
2011
Jeong, H.C., National Academy of Agricultural Science, RDA, Suwon, Republic of Korea | Kim, G.Y., National Academy of Agricultural Science, RDA, Suwon, Republic of Korea | Lee, D.B., National Academy of Agricultural Science, RDA, Suwon, Republic of Korea | Shim, K.M., National Academy of Agricultural Science, RDA, Suwon, Republic of Korea | Lee, S.B., National Academy of Agricultural Science, RDA, Suwon, Republic of Korea | Kang, K.K., National Academy of Agricultural Science, RDA, Suwon, Republic of Korea
This study was conducted to assess N₂O emissions in agricultural soils of Korea. According to 1996 and 2006 IPCC (Intergovernmental Panel on Climate Change) methodology, N₂O emission was calculated the sum of direct emission (N₂O∧DIRECT) and indirect emission (N₂O∧INDIRECT). To calculate N₂O 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 N₂O 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 N₂O into CO₂ equivalent was 2,668 CO₂-eq Gg. Indirect emission as N₂O∧(G) (atmospheric deposition of NH₃ and NO∧X) and N₂O∧(L) (leaching and runoffs) were 4,567 and 6,013 N₂O Mg and emissions converted N₂O into CO₂ equivalent were 1,416 and 1,864 CO₂-eq Gg, respectively. Total N₂O emission in Korea agricultural soil in 2009 was 5,948 CO₂-eq Gg.
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