동ㆍ서동 하우스내 이랑위치별 환경과 참외 생육

This experiment was carried out to investigate the effect of ridge direction (south-north) on temperature and light intensity on early growth of oriental melon under east-west oriented vinyl house cultivation. The air-temperature of minimum between north and south-ridge in the tunnel of vinyl house was 12.5℃ and 11.3℃ and that of maximum between north and south-ridge was 36.7℃ and 34.7℃, respectively. The minimum and maximum air-temperature of north-ridge in the tunnel of vinyl house on Feb. 15 were 1.2℃ and 2.0℃ higher than those of south-ridge, respectively. The intensity of daylight between south and north-ridge was similar during 9:00~10:30 a.m., that of south-ridge was higher than north-ridge during 10:30-11:30 a.m. and that of north-ridge was higher than south-ridge during 11:30-17:30. The plant growth after 55 days of planting on the north-ridge was prominent cultivation compared to south-ridge. The female flowering and first harvesting day were earlier in north-ridge than in south ridge. The marketable fruits rate and yields (㎏/10a) were 6.7% and 218 kg higher in north-ridge cultivation than south-ridge, respectively. Differences of marketable fruit rate and yield (㎏/10a) in each ridge were significant.