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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2021.11
- 수록면
- 279 - 279 (1page)
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The pattern and total amount of nitrous oxide (N₂O) emission can be affected by characteristics of arable soil and weather condition associated with geographical differences. The objective of this study was to determine the effect of weather conditions and soil properties on N₂O emission from paddy soils in geographically different three regions of South Korea. Field trials were established at three locations (Jeonju, Miryang, and Suwon) in South Korea and the rice (Oryza sativa L.) was transplanted and harvested in May and October 2020 at all locations, respectively. Urea was applied at the rates of 0, 90, 135, and 180 kg N ha<SUP>-1</SUP> at all locations. Mid-season drainage was conducted for 14 days, 5 weeks after transplanting at all locations. Daily N₂O flux and the cumulative N₂O emission, and weather conditions during growing season of rice and soil properties at harvest time were measured. The peak of N₂O flux appeared after drainage during growing season of rice, excepting Jeonju. Compared to the 0 kg N ha<SU ... 전체 초록 보기
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