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콩의 생산과정에서 발생하는 탄소배출량 산정 및 전과정평가
소규호(Kyu-Ho So),이길재(Gil-Zae Lee),김건엽(Gun-Yeob Kim),정현철(Hyun-Cheol Jeong),유종희(Jong-Hee Ryu),박정아(Jung-Ah Park),이덕배(Deog-Bae Lee) 한국토양비료학회 2010 한국토양비료학회지 Vol.43 No.6
투입되는 퇴구비, 무기질 비료, 농자재 (육묘용 플러그판), 에너지 (전기, 화석연료)양은 각각 3.10E+00 kg kg<SUP>-1</SUP> soybean, 4.57E-01 kg kg<SUP>-1</SUP> soybean, 6.29E-02kg kg<SUP>-1</SUP> soybean, 8.48E-02 kg kg<SUP>-1</SUP> soybean이었 고, 콩 생산단계에서 발생하는 직접 대기배출물 (CO₂, CH₄, N₂O)의 배출량은 1.48E-01 kg kg<SUP>-1</SUP> soybean였다. LCI 분석 결과 콩 생산체계의 탄소원단위 성적은 3.36E+00 kg CO₂-eq kg<SUP>-1</SUP> soybean였고, 온실가스 발생량 비중을 비교하면 CO₂가 71%, CH₄ 18%, N₂O 11% 이었다. CO₂는 비료생산 (약 92%)과 콩생산 (약 7%)에서 주로 발생하였고, N2O의 주요 발생원은 콩 생산 (약67%)과 비료생산 (약 32%)순이었는데, CO2, N2O의 CO2-eq. 환산 성적은 각각 2.36E+00 kg CO2-eq kg<SUP>-1</SUP> soybean과 3.50E-01 kg CO2-eq kg<SUP>-1</SUP> soybean였다. 전과정 영향평가 수행결과 GWP의 특성화값은 3.36E+00 kg CO2-eq kg<SUP>-1</SUP>였고, 콩 생산과 비료 생산이 주요한 원인이었다. This study was carried out to estimate carbon emission using LCA (Life Cycle Assessment) and to establish LCI (Life Cycle Inventory) database of soybean production system. Based on collecting the data for operating LCI, it was shown that input of organic fertilizer was value of 3.10E+00 kg kg<SUP>-1</SUP> soybean and it of mineral fertilizer was 4.57E-01 kg kg<SUP>-1</SUP> soybean for soybean cultivation. It was the highest value among input for soybean production. And direct field emission was 1.48E-01 kg kg<SUP>-1</SUP> soybean during soybean cropping. The result of LCI analysis focussed on greenhouse gas (GHG) was showed that carbon footprint was 3.36E+00 kg CO2-eq kg<SUP>-1</SUP> soybean. Especially CO2 for 71% of the GHG emission. Also of the GHG emission CH4, and N2O were estimated to be 18% and 11%, respectively. It might be due to emit from mainly fertilizer production (92%) and soybean cultivation (7%) for soybean production system. N2O was emitted from soybean cropping for 67% of the GHG emission. In CO2-eq. value, CO2 and N2O were 2.36E+00 kg CO2-eq. kg<SUP>-1</SUP> soybean and 3.50E-01 kg CO2-eq. kg<SUP>-1</SUP> soybean, respectively. With LCIA (Life Cycle Impact Assessment) for soybean production system, it was observed that the process of fertilizer production might be contributed to approximately 90% of GWP (global warming potential). Characterization value of GWP was 3.36E+00 kg CO2-eq kg<SUP>-1</SUP>.
고추의 생산과정에서 발생하는 탄소배출량 산정 및 전과정평가
소규호(Kyu-Ho So),박정아(Jung-Ah Park),허진호(Jinho Huh),심교문(Kyo-Moon Shim),유종희(Jong-Hee Ryu),김건엽(Gun-Yeob Kim),정현철(Hyun-Cheol Jeong),이덕배(Deog-Bae Lee) 한국토양비료학회 2010 한국토양비료학회지 Vol.43 No.6
고추생산체계에 대한 탄소성적을 평가하기 위하여 노지재배 (건고추)와 시설재배 (풋고추)로 구분하여 LCI database 구축하고 전과정 영향평가를 통한 잠재적 환경영향을 평가하였다. LCI 구축을 위한 영농 투입량과 배출물 산정결과 고추 1 kg 생산의 비료 사용량은 노지재배가 2.55E+00 kg kg<SUP>-1</SUP> redpepper로 시설재배의 7.74E-01kg kg<SUP>-1</SUP> greenpepper 보다 많았다. 농약 투입은 노지재배와 시설재배가 각각 5.38E-03 kg kg<SUP>-1</SUP> redpepper, 2.98E-04 kg kg<SUP>-1</SUP> greenpepper으로 노지재배에서의 농약투입량이 훨씬 높았다. 고추생산 중 대기로 배출된 CO₂, CH₄, N₂O의 합은 노지고추가 5.84E-01 kg kg<SUP>-1</SUP> redpepper, 2.81E+00 greenpepper로 시설고추가 높았다. 고추 생산체계에 대한 탄소원단위성적 산정결과 노지재배가 4.13E+00 kg CO₂-eq. kg<SUP>-1</SUP> redpepper, 시설재배 풋고추가 4.70E+00 kg CO₂-eq. kg<SUP>-1</SUP> greenpepper였다. 시설재배 (풋고추)는 CO₂발생량이 많았고, 노지재배 (건고추)는 CH₄와N₂O 발생량이 많았다. 전과정 영향평가 결과 GWP의 특성화값은 노지재배가 4.13E+00kg CO₂-eq. kg<SUP>-1</SUP>, 시설재배가 4.70E+00 kg CO₂-eq.kg<SUP>-1</SUP>이었고, GWP범주에 대한 기여도는 노지재배가 약 52%, 시설재배 약 48%로 거의 비슷하였다. LCA (Life Cycle Assessment) carried out to estimate carbon footprint and to establish of LCI (Life Cycle Inventory) database of pepper production system. Pepper production system was categorized the field cropping (redpepper) and the greenhouse cropping (greenpepper) according to pepper cropping type. The results of collecting data for establishing LCI D/B showed that input of fertilizer for redpepper production was more than that for greenpepper production system. The value of fertilizer input was 2.55E+00 kg kg<SUP>-1</SUP> redpepper and 7.74E-01 kg kg<SUP>-1</SUP> greenpepper. Amount of pesticide input were 5.38E-03 kg kg<SUP>-1</SUP> redpepper and 2.98E-04 kg kg<SUP>-1</SUP> greenpepper. The value of field direct emission (CO2, CH4, N2O) were 5.84E-01 kg kg<SUP>-1</SUP> redpepper and 2.81E+00 greenpepper, respectively. The result of LCI analysis focussed on the greenhouse gas (GHG), it was observed that the values of carbon footprint were 4.13E+00 kg CO2-eq. kg<SUP>-1</SUP> for redpepper and 4.70E+00 kg CO2-eq. kg<SUP>-1</SUP> for greenpepper; especially for 90% and 6% of CO2 emission from fertilizer and pepper production, respectively. N2O was emitted from the process of N fertilizer production (76%) and pepper production (23%). The emission value of CO2 from greenhouse production was more higher than it of field production system. The result of LCIA (Life Cycle Impact Assessment) was showed that characterization of values of GWP (Global Warming Potential) were 4.13E+00 kg CO2-eq. kg<SUP>-1</SUP> for field production system and 4.70E+00 kg CO2-eq. kg<SUP>-1</SUP> for greenhouse production system. It was observed that the process of fertilizer prodcution might be contributed to approximately 52% for redpepper production system and 48% for greenpepper production system of GWP.
감자의 생산과정에서 발생하는 탄소배출량 산정과 전과정평가의 적용
소규호(Kyu-Ho So),유종희(Jong-Hee Ryu),심교문(Kyo-Moon Shim),이길재(Gil-Zae Lee),노기안(Kee-An Roh),이덕배(Deog-Bae Lee),박정아(Jung-Ah Park) 한국토양비료학회 2010 한국토양비료학회지 Vol.43 No.5
작형별로 봄감자, 가을감자로 구분하고 전과정평가를 통하여 감자생산체계를 원단위탄소성적과 이를 위한 LCI database 구축하였다. LCI 구축을 위한 영농 투입물? 산출물에 대한 데이터 수집결과 봄감자는 특히 농약투입이 가을감자에 비하여 매우 높은 값을 나타내었고, 가을감자는 무기질비료 투입이 봄감자보다 많았다. 포장에서의 직접대기배출 (CO₂, CH₄, N₂O)은 봄감자와 가을감자가 각각 2.17E-02 kg kg<SUP>-1</SUP> potato 2.47E-02kg kg<SUP>-1</SUP> potato였다. 원단위 탄소성적은 봄감자가 8.38E -01 kg CO₂-eq. kg<SUP>-1</SUP> potato고, 가을감자가 8.10E-01kg CO₂-eq. kg<SUP>-1</SUP> potato였다. CO₂의 주요 발생요인은 비료생산공정이었고 (약 90%), 그 다음이 감자생산 (약6%)이었다. N₂O 발생은 비료생산이 약 76%, 감자생산이 약 23%를 차지하였다. 평가 결과 봄감자의 GWP 특성화값은 8.38E-01 kg CO₂-eq. kg<SUP>-1</SUP>이고, 가을감자는 8.10E-01 kg CO₂-eq. kg<SUP>-1</SUP>였다. This study was carried out to estimate carbon emission using LCA and to establish LCI database of potato production system. Potato production system was categorized into the fall season potato and the spring season potato according to potato cropping type. The results of collecting data for establishing LCI D/B showed that input of fertilizer for fall season potato production was more than that for spring season potato production. Input of pesticide for spring season potato production was much more than that for fall season potato production. The value of field direct emission (CO2, CH4, N2O) were 2.17E-02 kg kg<SUP>-1</SUP> for spring season potato and 2.47E-02 kg kg<SUP>-1</SUP> for fall season potato, respectively. The result of LCI analysis focussed on the greenhouse gas (GHG), it was observed that carbon footprint values were 8.38E-01 kg CO2-eq. kg<SUP>-1</SUP> for spring season potato and 8.10E-01 kg CO2-eq. kg<SUP>-1</SUP> for fall season potato; especially for 90% and 6% of CO2 emission from fertilizer and potato production, respectively. N2O was emitted from the process of N fertilizer production (76%) and potato production (23%). It was observed that characterization of values of GWP were 8.38E-01 kg CO2-eq. kg<SUP>-1</SUP> for spring season potato and 8.10E-01 kg CO2-eq. kg<SUP>-1</SUP> for fall season potato.