배추 재배지에서 요소시비에 따른 암모니아 배출계수 산정
Ammonia Gas Emission Factor at different Application Rate of Urea in Chinese Cabbage Cultivation
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BACKGROUND: The main source of ammonia in soils, South Korea is agricultural emissions (e.g., fertilizer ap-plication and livestock manure), with the recent emission inventories reporting them to be approximately 80% of the total emissions. Ammonia as a pollutant is originated largely from agricultural activity and is an important con-tributor to air quality issues in South Korea. The im-portance of ammonia in agricultural land is also emer-ging. In this study, the characteristics of ammonia emis-sion from Chinese cabbage cultivation fields with appli-cation rates of urea sere were evaluated. METHODS AND RESULTS: The ammonia emission characteristics were investigated at the different urea ap-plication rates (0, 160, 320, and 640 kg ha-1) and the am-monia emission factor in the Chinese cabbage cultivation field was calculated. As application rate of urea applica-tion increased, ammonia emissions increased propor-tionally. In 2020 and 2021, cumulative ammonia emis-sions with urea 320 kg ha-1 treatment were 39.3 and 35.2 kg ha-1, respectively for 2020 and 2021. When urea fertil-izer was applied, the ammonia emission factors were 0.1217 and 0.1358 NH4+-N kg N kg-1 in 2020 and 2021, respectively. CONCLUSION(S): Ammonia emissions increased as application rate of urea increased, and the average ammo-nia emission factor of the Chinese cabbage cultivation field for two years was 0.129 NH4+-N kg N kg-1.
Abstract
BACKGROUND: The main source of ammonia in soils, South Korea is agricultural emissions (e.g., fertilizer ap-plication and livestock manure), with the recent emission inventories reporting them to be approximately 80% of the total emissions. Ammonia as a pollutant is originated largely from agricultural activity and is an important con-tributor to air quality issues in South Korea. The im-portance of ammonia in agricultural land is also emer-ging. In this study, the characteristics of ammonia emis-sion from Chinese cabbage cultivation fields with appli-cation rates of urea sere were evaluated. METHODS AND RESULTS: The ammonia emission characteristics were investigated at the different urea ap-plication rates (0, 160, 320, and 640 kg ha-1) and the am-monia emission factor in the Chinese cabbage cultivation field was calculated. As application rate of urea applica-tion increased, ammonia emissions increased propor-tionally. In 2020 and 2021, cumulative ammonia emis-sions with urea 320 kg ha-1 treatment were 39.3 and 35.2 kg ha-1, respectively for 2020 and 2021. When urea fertil-izer was applied, the ammonia emission factors were 0.1217 and 0.1358 NH4+-N kg N kg-1 in 2020 and 2021, respectively. CONCLUSION(S): Ammonia emissions increased as application rate of urea increased, and the average ammo-nia emission factor of the Chinese cabbage cultivation field for two years was 0.129 NH4+-N kg N kg-1.
참고문헌 (12)
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