지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.10
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- 887 - 894 (8page)
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To evaluate the effects of abiotic factors of paddy fields on greenhouse gases (GHGs) emissions from rice paddy fields, CH<sub>4</sub> emission amounts were investigated from rice paddy fields by different soil organic matter contents, paddy types, and agricultural climatic zone in Yeongnam area during 3 years. CH<sub>4</sub> emission amounts according to soil organic matter contents in paddy field were conducted at having different contents of 5 soil organic matters fields (23.6, 28.7, 31.0, 34.5, and 38.0 g kg<sup>-1</sup>), The highest CH<sub>4</sub> emission amount was recorded in the highest soil organic matters plot of 38.0 g kg<sup>-1</sup>. High correlation coefficient (r=0.963<sup>**</sup>) was obtained between CH<sub>4</sub> emissions from paddy fields and their soil organic matter contents. According to paddy field types, CH<sub>4</sub> emission amounts were investigated at 4 different paddy fields as wet paddy, sandy paddy, immature paddy, and mature paddy. The highest CH<sub>4</sub> emissions was recorded in wet paddy (100%) and followed as immature paddy 64.0%, mature paddy 46.8%, and sandy paddy 23.8%, respectively. For the effects of temperature on CH<sub>4</sub> emissions from paddy fields, 4 agricultural climatic zones were investigated, which were Yeongnam inland zone (YIZ), eastern coast of central zone (ECZ), plain area of Yeongnam inland mountainous zone (PMZ), and mountainous area of Yeongnam inland mountainous zone (MMZ). The order of CH<sub>4</sub> emission amounts from paddy fields by agricultural climatic zone were YIZ (100%) > ECZ (94.6%) > PMZ (91.6%) > MMZ (78.9%). The regression equation between CH<sub>4</sub> emission amounts from paddy fields and average air temperature of Jul. to Sep. of agricultural climatic zone was y = 389.7x?4,287 (x means average temperature of Jul. to Sep. of agricultural climatic zone, R<sup>2</sup>=0.906<sup>*</sup>)
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UCI(KEPA) : I410-ECN-0101-2014-521-000825475