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Assessment on Nitrous Oxide (N2O) Emissions different Nitrogen Application Rates during the Red Pepper Cultivation in Flat Upland
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 Title & Authors
Assessment on Nitrous Oxide (N2O) Emissions different Nitrogen Application Rates during the Red Pepper Cultivation in Flat Upland
Lee, Jong-Eun; Yun, Yeo-Uk; Lee, Jin-Il; Nam, Yun-Gyu; Kim, Gun-Yeob; Kim, Sun-Ju;
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 Abstract
Generally, nitrogen (N) fertilization higher than the recommended dose is applied during vegetable cultivation for increasing in productivity. However, excessive N application rate beyond plant requirement could cause adverse environmental impact such as nitrate leaching and nitrous oxide emission. In this experiment, the impacts of N fertilization was studied on nitrous oxide () emission to standardize the optimum fertilization level for minimizing of emission as well as most of the crop productivity. Herein, we assessed the emission in the flat upland soil which was cultivated with different N application rates on red pepper for 3 years (2010~2012). emission was measured in chemical N fertilizer amounts 0 (N 0), 95 (N 0.5), 190 (N 1.0), by using the abnormal shape chamber closed repeating three times. In average for 3 years, the total emissions of each treatment in field of soybean were 2.110 (N 0), 3.165 (N 0.5), 5.039 (N 1.0), and , respectively. And then the primary regression between nitrogen fertilizer amount and the total emission was showed as y
 Keywords
Greenhouse gas;;Emission factor;Red pepper;Nitrogen fertilizer;
 Language
Korean
 Cited by
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