고온과 고농도 $CO_2$ 조건에서 배추와 무의 생육 반응 및 탄소 고정량

Growth Response and $CO_2$ Biomass of Chinese Cabbage and Radish under High Temperature and $CO_2$ Concentration

  • Lee, Ji-Weon (National Horticultural Research Institute (NHRI), RDA) ;
  • Kim, Seung-Yu (Rural Development Administration (RDA)) ;
  • Jang, Yoon-Ah (National Horticultural Research Institute (NHRI), RDA) ;
  • Moon, Ji-Hye (National Horticultural Research Institute (NHRI), RDA) ;
  • Lee, Woo-Moon (National Horticultural Research Institute (NHRI), RDA)
  • 발행 : 2006.12.30

초록

This experiment was carried out to figure out the $CO_2$ biomass and the growth response of Chinese cabbage and radish grown under the condition of high temperature and high $CO_2$ concentration to provide the information for the coming climatic change. Chinese cabbage and radish were cultivated in spring and autumn seasons under 4 treatments, 'ambient temp.+ambient $CO_2$ conc.', 'ambient temp.+elevated $CO_2$ conc.', 'elevated temp.+ ambient $CO_2$ conc.', and 'elevated temp. +elevated $CO_2$ conc.'. The 'elevated temp,' plot was maintained at 5 higher than 'ambient temp. (outside temperature)'and the 'elevated $CO_2$ cone.' plot was done in 650 ppm $CO_2$. The growth of spring-sown Chinese cabbage was worse than autumn-sown one, and was affected more by high temperature than high $CO_2$. concentration. The $CO_2$ biomass of Chinese cabbage was lower as 25.1-39.1 g/plant in spring-sown one than 54.8-63.4 g/plant of autumn-sown one. Daily $CO_2$2 fixation ability was not significantly different between spring- and autumn-sown Chinese cabbage as 1.9-2.9, 2.7-3.1 kg/10a/day, respectively. The $CO_2$ biomass of radish were 87.4-104.6 /plant in spring-sown one and 51.3$\sim$76.4 g/plant in autumn-sown one. Daily $CO_2$ fixation ability of radish were 6.2-10.1 kg/10a/day in spring-sown one and 4.6-6.9 kg/10a/day in autumn-sown one.

키워드

참고문헌

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