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Estimation of Carbon Emission and Application of LCA (Life Cycle Assessment) from Rice (Oryza sativa L.) Production System  

So, Kyu-Ho (National Academy of Agricultural Science)
Park, Jung-Ah (Econetwork Co., Ltd.)
Lee, Gil-Zae (Foundation of Agri. Tech. Commercialization & Transfer)
Shim, Kyo-Moon (National Academy of Agricultural Science)
Ryu, Jong-Hee (National Academy of Agricultural Science)
Roh, Kee-An (National Academy of Agricultural Science)
Publication Information
Korean Journal of Soil Science and Fertilizer / v.43, no.5, 2010 , pp. 716-721 More about this Journal
Abstract
LCA (Life Cycle Assessment) carried out to estimate carbon footprint and to establish of LCI (Life Cycle Inventory) database of rice production system. The results of collecting data for establishing LCI D/B showed that organic fertilizer and chemical fertilizer input to 4.29E-01 kg $kg^{-1}$ rice and 2.30E-01 kg $kg^{-1}$ rice for rice cultivation. It was the highest value among input for rice cultivation. And direct field emission was 3.23E-02 kg $kg^{-1}$ during rice cropping. The results of LCI analysis focussed on greenhouse gas (GHG) was showed that carbon footprint was 8.70E-01 kg $CO_2$-eq. $kg^{-1}$ rice. Especially for 80% of $CO_2$ in the GHG and 7.02E-01 kg of its $CO_2$-eq. $kg^{-1}$ rice. Of the GHG emission $CH_4$, and $N_2O$ were estimated to be 13% and 5%, respectively. With LCIA (Life Cycle Impact Assessment) for rice cultivation system, it was observed that fertilizer process might be contributed to approximately 80% of GWP (global warming potential).
Keywords
LCI; Carbon footprint; LCIA; LCA; Rice production system;
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