The present invention is a green IT-based technology that reduces carbon generation by circulating the heat released from the server located in the server rack into heating heat for crop growth.본 발명은 서버랙에 위치한 서버 방출 열기를 작물 생육을 위하여 난방열로 순환시켜 탄소발생을 저감시키는 그린IT 기반 기술임