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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
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- 학술저널
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- 2014.10
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- 374 - 380 (7page)
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To estimate greenhouse gas (GHG) emission, the inventory of rice cultivation at the farming without agricultural chemicals was established from farmers in Gunsan, Jeonbuk province in 2011∼2012. The objectives of this study were to calculate carbon footprint and analyse the major factor of GHGs. To do this, we carried out a sensitivity analysis using the analyzed main factors of GHGs and estimated the mitigation potential of GHGs. Also we suggested agricultural methods to reduce GHGs that can be appled by farmers at this region. At the farming system without agricultural chemicals, carbon footprint of rice production unit of kg was 2.15 kg CO₂.-eq. kg<SUP>-1</SUP>. Although the amount of carbon dioxide (CO₂) emission was the largest among GHGs, methane (CH₄) emission had the highest contribution to carbon footprint on rice production system when it was converted to carbon dioxide equivalent (CO₂-eq.) multiplied by the global warming potential (GWP). Main source of CO₂ emission in the rice farming system without agricultural chemicals was combustion of fossil fuels used by agricultural machinery. Most of the CH₄ was emitted during rice cultivation practice and its major emission factor was flooded paddy field in anaerobic condition. Also, most of the N2O was emitted from rice cultivation process. Major sources of the N₂O emission was application of fertilizer such as compound fertilizer. As a result of sensitivity analysis in energy consumption, diesel had the highest sensitivity among the energy inputs. With the reduction of diesel consumption by 10%, it was estimated that CO₂ potential reduction was about 2.0%. With reducing application rate of compound fertilizer by 10%, the potential reduction was calculated that CO₂ and N₂O could be reduced by 0.5% and 0.9%, respectively. At the condition of 10% reduction of silicate and compost, CO₂ and CH₄ could be reduced by 1.5% and 1.6%, respectively. With 8 days more drainage than the ordinary practice, CH₄ emission could be reduced by about 4.5%. Drainage and diesel consumption were the main sources having the largest effect on the GHG reduction at the farming system without agricultural chemicals. Based on the above results, we suggest that no-tillage and midsummer drainage could be a method to decrease GHG emissions from rice production system.
목차
Introduction
Materials and Methods
Results and Discussion
Conclusion
References
참고문헌 (28)
참고문헌 신청
1. [학위논문] - Ahn, S.J. / 2005 / Stochastic Analysis for Uncertainty of Life Cycle Assessment with Monte-Carlo Simulation / 석사 / University of Ajou
2. [학술지(정기간행물)] - Amlinger, F. / 2008 / Greenhouse Gas Emission from Composting, and Mechanical Biological Treatment / Waste Manage Research 26 (1) : 47 ~ 60
3. [학술지(정기간행물)] - Bhatia, A. / 2005 / Global Warming Potential of Manure Amended Soils under Rice-wheat System in the Indo-Gangetic Plains / Atmos. Environ 39 : 6976 ~ 6984
4. [학술지(정기간행물)] - de Boer, I.J.M. / 2003 / Environmental Impact Assessment of Conventional and Organic Milk Production / Livestock Production Science 80 : 69 ~ 77
5. [학술지(정기간행물)] - Markus Deurer / 2011 / 과수의 탄소발자국 표지를 위한 LCA 동향 및 해석: 경남지역 참다래를 중심으로 / 원예과학기술지 29 (5) : 389 ~ 406
2. [학술지(정기간행물)] - Amlinger, F. / 2008 / Greenhouse Gas Emission from Composting, and Mechanical Biological Treatment / Waste Manage Research 26 (1) : 47 ~ 60
3. [학술지(정기간행물)] - Bhatia, A. / 2005 / Global Warming Potential of Manure Amended Soils under Rice-wheat System in the Indo-Gangetic Plains / Atmos. Environ 39 : 6976 ~ 6984
4. [학술지(정기간행물)] - de Boer, I.J.M. / 2003 / Environmental Impact Assessment of Conventional and Organic Milk Production / Livestock Production Science 80 : 69 ~ 77
5. [학술지(정기간행물)] - Markus Deurer / 2011 / 과수의 탄소발자국 표지를 위한 LCA 동향 및 해석: 경남지역 참다래를 중심으로 / 원예과학기술지 29 (5) : 389 ~ 406
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UCI(KEPA) : I410-ECN-0101-2015-520-002660604