나노탄소섬유 적외선등 난방이 절화장미의 생육과 수명 및 난방비에 미치는 영향

Effect of Heating by Nano-Carbon Fiber Infrared Lamps on Growth and Vase Life of Cut Roses and Heating Cost

  • 임미영 (경상대학교 농업생명과학연구원) ;
  • 고충호 (경상대학교 대학원 응용생명과학부 원예학) ;
  • 손문숙 (경상대학교 대학원 응용생명과학부 원예학) ;
  • 이상복 (경상대학교 농업생명과학대학 원예학과) ;
  • 김길주 ((주)골든에너지) ;
  • 김병수 (김해시농업기술센터) ;
  • 김영복 (경상대학교 농업생명과학대학 생물산업기계공학과) ;
  • 정병룡 (경상대학교 농업생명과학연구원)
  • Lim, Mi-Young (Institute of Agriculture & Life Science, Gyeongsang National Univ.) ;
  • Ko, Chung-Ho (Division of Applied Life Science (BK21 Program), Graduate School, Gyeongsang National Univ.) ;
  • Son, Moon-Sook (Division of Applied Life Science (BK21 Program), Graduate School, Gyeongsang National Univ.) ;
  • Lee, Sang-Bok (Department of Horticulture, College of Agriculture and Life Sciences, Gyeongsang National Univ.) ;
  • Kim, Gil-Ju (Golden Energy Co., Ltd.) ;
  • Kim, Byung-Soo (Gimhae City Agriculture Technology Center) ;
  • Kim, Young-Bok (Department of Bio-Industrial Machinery Engineering, College of Agriculture and Life Sciences, Gyeongsang National Univ.) ;
  • Jeong, Byoung-Ryong (Institute of Agriculture & Life Science, Gyeongsang National Univ.)
  • 발행 : 2009.03.31

초록

장미 생산농가의 대부분은 겨울철 난방비가 생산비의 가장 큰 몫을 차지한다. 요즘과 같은 고유가 시대에 농가의 부담을 줄이기 위하여 난방비 절감율이 높은 난방시스템에 대한 연구를 수행하였다. 복사열을 이용한 적외선 등 난방의 경우 식물체와 같은 물체를 먼저 가열하여 주변의 기온이 올리는 방식으로 빠르게 온도를 높일 수 있고 경유를 이용한 난방방식에 비해 비용이 절감되는 장점이 있다. 농가에 설치된 나노탄소 섬유 적외선 등 난방시스템의 현지조사를 실시하여 난방효과 및 난방비 절감율을 분석하고, 나노탄소섬유 적외선 등 난방시스템과 전기히터 난방시스템에서 생산된 '오렌지 플레쉬' 장미의 생육과 절화수명을 조사하였다. 나노탄소섬유 적외선 등의 경우 온실 내부 공기 설정온도가 $20^{\circ}C$인 경우 식물체 온도는 $1{\sim}2^{\circ}C$정도 더 높게 나타났을 뿐만 아니라 베드와 근권부 온도는 $17{\sim}19^{\circ}C$ 정도로 유지하는 등 우수한 난방의 효과를 알 수 있었고, 전기히터 난방시스템과 온수보일러 난방시스템의 추정 난방비를 비교한 결과 난방비 절감 효과가 아주 높게 나타났다. 장미의 생육을 조사한 결과 전기히터 난방시스템에서 생육한 장미와 차이가 없었으며 화색이나 염색의 발현이 더 좋았다. 절화수명에서는 나노탄소섬유 적외선 등에서 생육한 장미가 생체중과 수분 흡수량이 높아 다소 더 길어진 절화수명을 뒷받침 해 주었다.

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.

키워드

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