Determination of Carbon Dioxide Concentration in CO2 Supplemental Greenhouse for Tomato Cultivation during Winter and Spring Seasons

Choi, Su-Hyun; Woo, Young-Hoe; Jang, Dong-Cheol; Jeong, Young-Ae; Yoon, Seo-A; Kim, Dae-Hyun; Seo, Ho-Seok; Choi, Eun-Young

doi:10.12791/ksbec.2023.32.4.416

J. Bio-Env. Con.

2023

DOI: 10.12791/ksbec.2023.32.4.416

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Determination of Carbon Dioxide Concentration in CO2 Supplemental Greenhouse for Tomato Cultivation during Winter and Spring Seasons

Su-Hyun Choi,

Young-Hoe Woo,

Dong-Cheol Jang

et al.

Abstract: This study was aimed to determine the changes in CO 2 concentration according to the temperatures of daytime and nighttime in the CO 2 supplemental greenhouse, and to compare calculated supplementary CO 2 concentration during winter and spring cultivation seasons. CO 2 concentrations in experimental greenhouses were analyzed by selecting representative days with different average temperatures due to differences in integrated solar radiation at the growth stage of leaf area index (LAI) 2.0 during the winter sea… Show more

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2024

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Cited by 2 publications

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Supplemental lighting and CO2 enrichment on the growth, fruit quality, and yield of cucumber

Koo,

Hwang,

Hwang

et al. 2024

Hortic. Environ. Biotechnol.

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Supplemental lighting and CO2 enrichment on the growth, fruit quality, and yield of cucumber

Koo,

Hwang,

Hwang

et al. 2024

Hortic. Environ. Biotechnol.

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Estimation of the Amounts of Supplemental Carbon Dioxide (CO2) when Considering Night Respiration for a Hydroponics Tomato Greenhouse

Choi,

Woo,

Yoon

et al. 2024

HST

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This study aimed to estimate amount of carbon dioxide (CO 2 ) supplementation necessary for tomato hydroponic cultivation by considering nighttime respiration using model-based equations. Experiment 1 was conducted in a commercial tomato hydroponic greenhouse during the spring growing season. Experiment 2 was conducted in an experimental greenhouse during the autumn growing season, with the predicted and measured CO 2 increases due to plant respiration during the nighttime also compared. In experiment 1, the supply rate of CO 2 fertilizer with LPG was a set to 600 µmol•mol -1 from 7:30 to 11:00 in a commercial tomato hydroponics greenhouse, and in experiment 2, CO 2 was supplied at a set rate of 600 µmol•mol -1 from 9:00 to 11:00 using a liquefied CO 2 generator in the experimental greenhouse. The estimation of the CO 2 concentration prior to the first supplement of the day was calculated by adding the CO 2 concentration about the time of sunset (lower than 50W solar radiation) on the last day to the integrated respiratory CO 2 concentrations during the nighttime. In experiment 1, the estimated amount of CO 2 supplement ranged from 3.24 to 36.9 g CO 2 •m -2 •h -1 when the nighttime temperature was between 16 and 19°C, while in experiment 2, the estimated amount of CO 2 supplement ranged from 4.21 to 52.6 g CO 2 •m -2 •h -1 when the lowest nighttime temperature was 13°C. These results suggest that the night respiratory CO 2 was affected by the night temperature of the greenhouse and therefore has an impact on the CO 2 supplementation amount. Therefore, it suggests that the new model equation that introduces night respiration into the estimation of supplemental CO 2 amounts can be used to precisely control greenhouse CO 2 supplement.

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Determination of Carbon Dioxide Concentration in CO2 Supplemental Greenhouse for Tomato Cultivation during Winter and Spring Seasons

Cited by 2 publications

References 9 publications

Supplemental lighting and CO2 enrichment on the growth, fruit quality, and yield of cucumber

Supplemental lighting and CO2 enrichment on the growth, fruit quality, and yield of cucumber

Estimation of the Amounts of Supplemental Carbon Dioxide (CO2) when Considering Night Respiration for a Hydroponics Tomato Greenhouse

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