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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2021.11
- 수록면
- 34 - 34 (1page)
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Since the elevated air temperature and carbon dioxide (CO₂) concentration might simultaneously increase the net primary production (NPP) of plants as a carbon (C) input source and soil respiration (CO₂ emission) rate in the future climate condition, the impact of global warming on soil organic carbon (SOC) stock changes was not clearly concluded. Here we show that open top chamber experiment in rice paddy to investigate the changes of SOC stock under global warming condition. Three types of atmospheric condition were installed for a whole year as main treatments: present (14.4℃, 475ppm), after 50 years (16.3℃, 590ppm), and after 100 years (16.3℃, 690ppm). Conventional (NPK) and organic fertilizer treatments which were applied by only chemical fertilizer and green manure, respectively, for rice cultivation were additionally placed under each different atmospheric condition. In NPK treatment, rice straw was removed at harvesting stage. In organic fertilizer treatment, cover crop was cultivated during the fallow season, and rice straw and cover crop biomass were recycled after rice harvesting and before transplanting, respectively. Soil C stock change wa ... 전체 초록 보기
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