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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.18, no.1, 2009³â, pp.1-8
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( Effect of Heating by Nano-Carbon Fiber Infrared Lamps on Growth and Vase Life of Cut Roses and Heating Cost ) |
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| The greatest and major cost for cut rose production during winter seasons in Korea is cost of heating the greenhouse. A study was conducted on a cost-efficient heating system to reduce expenses of cut rose growers in times of high energy prices. An infrared heating system utilizing radiant energy has an obvious advantage over other heating methods in that the energy is first used to raise temperatures of plants and other objects and subsequently that of the atmosphere, resulting in faster reaching to desired plant temperatures at a reduced heating cost. In this study the heating effect and heating cost saving of a nano-carbon fiber infrared heating system (NCFIHS) installed in cut rose greenhouses in Gimhae, Gyeongnam Province were analyzed comparatively. In addition growth, quality, and vase life of 'Orange Fresh' roses grown in greenhouses heated by NCFIHS against those grown in greenhouses heated by so called an electrical heating system. In greenhouses with a NCFlHS with a set point air temperature of $20^{circ}C$, plant temperature was maintained at $1{sim}2^{circ}C$ higher than the air temperature, and temperatures of growing bed surface and root zone were maintained at $17{sim}19^{circ}C$ throughout cold winter nights. The cost for heating in NCFIHS was about 25 and 51% of that of an electrical heating system and a hot water heating system heated by petroleum, respectively. Growth of roses harvested in greenhouses with a NCFIHS was similar to those grown in greenhouses with an electrical heating system. However, cut roses with more intense petal and leaf colors and a longer vase life (fresh weight and amount of water uptake) were harvested in greenhouses with a NCFIHS as compared to those harvested in greenhouses with an electrical heating system. |
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| ²ÉÀÇ Ç°Áú;¿Â½Ç ³¹æ;³¹æºñ¿ë Àý°¨;Àû¿Ü¼± ³¹æ±â;¿À·»Áö Ç÷¹½¬' Àå¹Ì;flower quality;greenhouse heating;heating cost saving;infrared heating;Rasa 'Orange Fresh'; |
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»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.18, no.1, 2009³â, pp.1-8
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200916263468240)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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