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Life Cylcle Assessment (LCA) on Rice Production Systems: Comparison of Greenhouse Gases (GHGs) Emission on Conventional, Without Agricultural Chemical and Organic Farming
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 Title & Authors
Life Cylcle Assessment (LCA) on Rice Production Systems: Comparison of Greenhouse Gases (GHGs) Emission on Conventional, Without Agricultural Chemical and Organic Farming
Ryu, Jong-Hee; Kwon, Young-Rip; Kim, Gun-Yeob; Lee, Jong-Sik; Kim, Kye-Hoon; So, Kyu-Ho;
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 Abstract
This study was performed a comparative life cycle assessment (LCA) among three rice production systems in order to analyze the difference of greenhouse gases (GHGs) emissions and environment impacts. Its life cycle inventory (LCI) database (DB) was established using data obtained from interview with conventional, without agricultural chemical and organic farming at Gunsan and Iksan, Jeonbuk province in 2011. According to the result of LCI analysis, was mostly emitted from fertilizer production process and rice cropping phase. and were almost emitted from rice cultivation phase. The value of carbon footprint to produce 1 kg rice (unhulled) on conventional rice production system was 1.01E+00 kg -eq. and it was the highest value among three rice production systems. The value of carbon footprints on without agricultural chemical and organic rice production systems were 5.37E-01 -eq. and 6.58E-01 -eq. , respectively. Without agricultural chemical rice production system whose input amount was the smallest had the lowest value of carbon footprint. Although the yield of rice from organic farming was the lowest, its value of carbon footprint less than that of conventional farming. Because there is no compound fertilizer inputs in organic farming. Compound fertilizer production and methane emission during rice cultivation were the main factor to GHGs emission in conventional and without agricultural chemical rice production systems. In organic rice production system, the main factors to GHGs emission were using fossil fuel on machine operation and methane emission from rice paddy field.
 Keywords
Carbon footprint;LCA;Conventional rice framing;Without agricultural chemical rice farming;Organic rice farming;
 Language
Korean
 Cited by
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