Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Effect of CO2 Supply on Lettuce Growth

  • Hyeon-Do Kim (Department of Horticulture Bioscience, Pusan National University) ;
  • Yeon-Ju Choi (Department of Horticulture Bioscience, Pusan National University) ;
  • Eun-Young Bae (Department of Horticulture Bioscience, Pusan National University) ;
  • Jum-Soon Kang (Department of Horticulture Bioscience, Pusan National University)
  • Received : 2024.02.28
  • Accepted : 2024.05.29
  • Published : 2024.06.30
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Abstract

This study was conducted to investigate the effects of CO2 supplement on growth and quality in greenhouse lettuce cultivation. When CO2 was supplied at 1,500 ppm in lettuce cultivation, overall growth parameters such as number of leaves, leaf area, plant length, fresh weight, and dry weight were superior compared to those of the control group. While there was no significant difference in relative growth rate due to CO2 supplement, an increase in leaf area index was observed with CO2 usage. Furthermore, although there was no significant difference in the content of water-soluble vitamins such as Vitamin C, B1, B2, B5, and B6 due to CO2 supplement, the Vitamin B3 content in the CO2 treatment group was 0.5 mg/kg higher than in the control group. Therefore, the use of CO2 in lettuce cultivation resulted in increased yield and promoted growth, enabling early harvesting.

Keywords

Acknowledgement

This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIT) (NRF-2019M2D2A2050918). This work also supported by the Institute for Korea Spent Nuclear Fuel (iKSNF) and Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korean government (Ministry of Trade, Industry, and Energy [MOTIE]) (Project No.2021040101003C).

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