Korean Journal of Soil Science and Fertilizer (한국토양비료학회지)

Korean Society of Soil Science and Fertilizer (한국토양비료학회)
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Estimation of Carbon Emission and LCA (Life Cycle Assessment) from Pepper (Capsicum annuum L.) Production System

고추의 생산과정에서 발생하는 탄소배출량 산정 및 전과정평가

  • 소규호 (국립농업과학원 농업환경부 기후변화생태과) ;
  • 박정아 (에코네트워크(주)) ;
  • 허진호 (에코네트워크(주)) ;
  • 심교문 (국립농업과학원 농업환경부 기후변화생태과) ;
  • 유종희 (국립농업과학원 농업환경부 기후변화생태과) ;
  • 김건엽 (국립농업과학원 농업환경부 기후변화생태과) ;
  • 정현철 (국립농업과학원 농업환경부 기후변화생태과) ;
  • 이덕배 (국립농업과학원 농업환경부 기후변화생태과)
  • Received : 2010.11.15
  • Accepted : 2010.11.24
  • Published : 2010.12.31
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Abstract

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 $kg^{-1}$ redpepper and 7.74E-01 kg $kg^{-1}$ greenpepper. Amount of pesticide input were 5.38E-03 kg $kg^{-1}$ redpepper and 2.98E-04 kg $kg^{-1}$ greenpepper. The value of field direct emission ($CO_2$, $CH_4$, $N_2O$) were 5.84E-01 kg $kg^{-1}$ 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 $CO_2$-eq. $kg^{-1}$ for redpepper and 4.70E+00 kg $CO_2$-eq. $kg^{-1}$ for greenpepper; especially for 90% and 6% of $CO_2$ emission from fertilizer and pepper production, respectively. $N_2O$ was emitted from the process of N fertilizer production (76%) and pepper production (23%). The emission value of $CO_2$ 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 $CO_2$-eq. $kg^{-1}$ for field production system and 4.70E+00 kg $CO_2$-eq. $kg^{-1}$ for greenhouse production system. It was observed that the process of fertilizer production might be contributed to approximately 52% for redpepper production system and 48% for greenpepper production system of GWP.

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 $kg^{-1}$ redpepper로 시설재배의 7.74E-01 kg $kg^{-1}$ greenpepper 보다 많았다. 농약 투입은 노지재배와 시설재배가 각각 5.38E-03 kg $kg^{-1}$ redpepper, 2.98E-04 kg $kg^{-1}$ greenpepper으로 노지재배에서의 농약투입량이 훨씬 높았다. 고추생산 중 대기로 배출된 $CO_2$, $CH_4$, $N_2O$의 합은 노지고추가 5.84E-01 kg $kg^{-1}$ redpepper, 2.81E+00 greenpepper로 시설고추가 높았다. 고추 생산체계에 대한 탄소원단위성적 산정결과 노지재배가 4.13E+00 kg $CO_2$-eq. $kg^{-1}$ redpepper, 시설재배 풋고추가 4.70E+00 kg $CO_2$-eq. $kg^{-1}$ greenpepper 였다. 시설재배 (풋고추)는 $CO_2$발생량이 많았고, 노지재배 (건고추)는 $CH_4$와 $N_2O$ 발생량이 많았다. 전과정 영향평가 결과 GWP의 특성화값은 노지재배가 4.13E+00 kg $CO_2$-eq. $kg^{-1}$, 시설재배가 4.70E+00 kg $CO_2$-eq. $kg^{-1}$이었고, GWP범주에 대한 기여도는 노지재배가 약 52%, 시설재배 약 48%로 거의 비슷하였다.

Keywords

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