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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 충남대학교 농업과학연구소 Korean Journal of Agricultural Science Korean Journal of Agricultural Science Vol.46 No.4
- 발행연도
- 2019.12
- 수록면
- 857 - 868 (12page)
이용수
초록· 키워드
오류제보하기
A flooded rice field is one of the significant sources of anthropogenic methane (CH₄) with the intensity of the emissions dependent on management practices. Incorporation of rice straw, which is one of the organic amendments, induces the increase of methane emissions during the flooding season. In this study, we measured of methane emission according to applications of rice straw in different soil textures during a cultivation period in 2017 and 2018. The fallow treatments were non application of rice straw (NA), spring plowing after spring spreading of rice straw (SPSA), spring plowing after previous autumn spreading of rice straw (SPAA), and autumn plowing after previous autumn spreading of rice straw (APAA). The SPSA treatment emitted the highest total methane from loam soil in both 2017 (596.7 CH₄ kg ha<SUP>-1</SUP>) and 2018 (795.4 CH₄ kg ha<SUP>-1</SUP>). The same trend was observed in silt clay loam soil; the SPSA treatment still emitted the highest amount of methane in both 2017 (845.9 CH₄ kg ha<SUP>-1</SUP>) and 2018 (1,071.7 CH₄ kg ha<SUP>-1</SUP>). The lowest emission among the rice straw incorporated plots came from the APAA treatment for both soil texture types in all the seasons. The conversion factors of the SPAA were 0.79 and 0.65 from the loam and silt clay loam soils, respectively. Relatedly, the conversion factors of the APAA were 0.71 and 0.43 from the loam and silt clay loam soils, respectively. The above observations mean therefore that incorporation of rice straw early in the fallow reduces methane emissions in the main rice growing season.
목차
Abstract
Introduction
Materials and Methods
Results and Discussion
Reference
참고문헌 (21)
참고문헌 신청
Bossio DA / 1999 / Methane pool and flux dynamics in a rice field following straw incorporation / Soil Biology and Biochemistry 31:1313~1322
최은정 / 2017 / Analysis of research trends in methane emissions from rice paddies in Korea / Korean Journal of Agricultural Science 44(4):463~476
Denier HAC / 1995 / Influence of organic matter incorporation on the methane emission from a wetland rice field / Global Biogeochemical Cycles 9:11~22
Devȇvre OC / 2000 / Decomposition of rice straw and microbial carbon use efficiency under different soil temperatures and moisture / Soil Biology & Biochemistry 32:1773~1785
GIR (Greenhouse gas Inventory and Research center) / 2018 / 2018 National greenhouse gas inventory report of Korea (NIR) :45~250
최은정 / 2017 / Analysis of research trends in methane emissions from rice paddies in Korea / Korean Journal of Agricultural Science 44(4):463~476
Denier HAC / 1995 / Influence of organic matter incorporation on the methane emission from a wetland rice field / Global Biogeochemical Cycles 9:11~22
Devȇvre OC / 2000 / Decomposition of rice straw and microbial carbon use efficiency under different soil temperatures and moisture / Soil Biology & Biochemistry 32:1773~1785
GIR (Greenhouse gas Inventory and Research center) / 2018 / 2018 National greenhouse gas inventory report of Korea (NIR) :45~250
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UCI(KEPA) : I410-ECN-0101-2020-520-000108593