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Written Paper

Beneficial Effect of Heat Fans on Quality and Yield of Korean Melon Cultivated in Greenhouses at Winter Season  [2017]

Shin, Y.S., Gyeongsangbuk-do Agricultural Research and Extension Services, Seongju, Republic of Korea Lee, J.E., Gyeongsangbuk-do Agricultural Research and Extension Services, Seongju, Republic of Korea Oh, S.W., Gyeongsangbuk-do Agricultural Research and Extension Services, Seongju, Republic of Korea Cheung, J.D., Gyeongsangbuk-do Agricultural Research and Extension Services, Seongju, Republic of Korea et al.

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The purpose of this study was to investigate the changes of environmental conditions and the quality and yield of melon fruit by heat fan operation in greenhouses at winter season. The average daily temperature inside the tunnels during January 1 to 31, 2017 was 0.9℃ higher than that of the control 17.8℃. The air flow rate of heater fan treatment was 4.8 times higher than the control (untreated 0.05 mㆍs-1) at 20cm above the ground where the korean melon grew. The temperature of the heater pan was 5.6℃ higher than that of the untreated at 35.3℃ and the relative humidity was 8.1% lower than that of the untreated at 39.1%. The flowering rate of the heater fan treatment was 96%, 5% higher than the control. The number of first harvest days of heater fan treatment was shortened by 4 days than that of untreated treatment. Fruit quality and marketable fruit yield increased by 3.4% and 38% compared to untreated respectively, the heater fan treatment increased the temperature inside the greenhouse and air flow rete, which were beneficial for growing the korean melon in greenhouses at winter season.

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Protected Horticulture and Plant Factory

ISSN : 2288-0992