한국토양비료학회지 (Korean Journal of Soil Science and Fertilizer)

  • 제45권4호
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  • Pages.540-543
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  • 2012
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  • 0367-6315(pISSN)
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  • 2288-2162(eISSN)
한국토양비료학회 (Korean Society of Soil Science and Fertilizer)
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녹비작물과 바이오숯의 고추 재배지 아산화질소 배출량 저감 효과

Effect of Green Manure Crop and Biochar on Nitrous Oxide Emission from Red Pepper Field

  • Seo, Young-Ho (Gangwon Agricultural Research & Extension Services) ;
  • Kim, Se-Won (Gangwon Agricultural Research & Extension Services) ;
  • Choi, Seung-Chul (Gangwon Agricultural Research & Extension Services) ;
  • Kim, In-Jong (Gangwon Agricultural Research & Extension Services) ;
  • Kim, Kyung-Hi (Gangwon Agricultural Research & Extension Services) ;
  • Kim, Gun-Yeob (National Academy of Agricultural Science, RDA)
  • 투고 : 2012.07.16
  • 심사 : 2012.08.14
  • 발행 : 2012.08.31
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초록

농업 부문에서 온실가스 배출량을 줄이기 위하여 녹비작물인 헤어리베치와 바이오숯을 이용하였을 때 밭작물 재배지에서 아산화질소 배출량 저감 효과를 평가하였다. 질소 시용량은 고추의 표준 시비량인 $190kg\;ha^{-1}$이었으며, 주 2회 시료를 채취하여 GC/ECD로 아산화질소를 분석하였다. 대조구인 질소질 비료(요소) 처리구의 아산화질소 배출량은 $1.14kg\;N_2O-N\;ha^{-1}$이었으며, 헤어리베치와 바이오숯+질소질 비료 처리구의 아산화질소 배출량은 각각 $0.61kg\;N_2O-N\;ha^{-1}$과 $0.86kg\;N_2O-N\;ha^{-1}$로 온실가스 배출을 각각 46.5%와 24.6% 줄였다.

Atmospheric nitrous oxide ($N_2O$) level has been increasing at a rate of 0.2~0.3% per year. The rise in $N_2O$ concentration in atmosphere was mainly due to an increased application of nitrogen fertilizers. The objective of the study was to assess the effect of green manure crop and biochar on $N_2O$ emissions from upland crop field. The green manure crop used in the study was hairy vetch and the cultivated crop was red pepper (Capsicum annuum L.). Nitrogen was applied at a rate of $190kg\;ha^{-1}$, standard N fertilization rate for red pepper. Emissions of $N_2O$ from the field were reduced from the plots applied with hairy vetch and biochar by 46.5% and 24.6%, respectively, compared with nitrogen fertilizer treated plots with $N_2O$ emission of $1.14kg\;N_2O-N\;ha^{-1}$. The results from the study imply that green manure crop and biochar can be utilized to reduce greenhouse gas emission from the upland crop field.

키워드

참고문헌

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피인용 문헌

  1. Effect of Sesame Straw Biochar Application on Soil Physics and Nitrous Oxide Emission in Upland Soil vol.49, pp.3, 2016, https://doi.org/10.7745/KJSSF.2016.49.3.259
  2. Evaluation of N2O Emissions by Nutrient Source in Soybean and Pepper Fields vol.36, pp.4, 2018, https://doi.org/10.11626/KJEB.2018.36.4.680