http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
촉매형 탄산가스발생기를 이용한 탄산시비 시 시설 내 대기환경 변화
이선진 ( Seonjin Lee ),성원석 ( Wonsuk Sung ),정필수 ( Pilsoo Jeong ),박동욱 ( Donguk Park ) 한국농업기계학회 2022 한국농업기계학회 학술발표논문집 Vol.27 No.2
CO2 Enrichment plays a key role in a greenhouse for yield and plant quality. This study deals with variation of atmosphere in the greenhouse during CO2 enrichment by a catalyst-type CO2 generator and it generates 0.36 kg/h. There are Alstromeria in a inner-greenhouse which was set in a main greenhouse for prevent damage from cold. The CO2 generator turned on at every 5:30 a.m and turned off at every 12:30 p.m. And inner-greenhouse was opened among 8:00 a.m ~ 9:00 a.m manually. The window of main greenhouse was opened when temperature in greenhouse was above 20 ℃ automatically. CO2 concentration increased to about 700 ppm, and then sharply decreased under 400 ppm after opening the inner-greenhouse. Furthermore, at first, the CO2 concentration rose dramatically to ‘some point’ which is near the sunrise, and then rose gently. This phenomenon implies the photosynthesis started on ‘some point’. It means CO2 consumption increased and the ratio between CO2 consumption and generates was change at that point. In addition, the rate of increase in CO2 concentration became more gentle as the experiment progressed. This result imply the amount of photosynthesis increased gradually because of leaves growth.
촉매형 탄산가스발생기를 이용한 탄산시비 시 시설 내 대기환경 변화
이선진 ( Seonjin Lee ),성원석 ( Wonsuk Sung ),정필수 ( Pilsoo Jeong ),박동욱 ( Donguk Park ) 한국농업기계학회 2022 한국농업기계학회 학술발표논문집 Vol.27 No.2
CO2 Enrichment plays a key role in a greenhouse for yield and plant quality. This study deals with variation of atmosphere in the greenhouse during CO2 enrichment by a catalyst-type CO2 generator and it generates 0.36 kg/h. There are Alstromeria in a inner-greenhouse which was set in a main greenhouse for prevent damage from cold. The CO2 generator turned on at every 5:30 a.m and turned off at every 12:30 p.m. And inner-greenhouse was opened among 8:00 a.m ~ 9:00 a.m manually. The window of main greenhouse was opened when temperature in greenhouse was above 20 ℃ automatically. CO2 concentration increased to about 700 ppm, and then sharply decreased under 400 ppm after opening the inner-greenhouse. Furthermore, at first, the CO2 concentration rose dramatically to ‘some point’ which is near the sunrise, and then rose gently. This phenomenon implies the photosynthesis started on ‘some point’. It means CO2 consumption increased and the ratio between CO2 consumption and generates was change at that point. In addition, the rate of increase in CO2 concentration became more gentle as the experiment progressed. This result imply the amount of photosynthesis increased gradually because of leaves growth.
시설 내 탄산가스 시비 시 시설 대기환경의 변화가 알스트로메리아(Alstroemeria) 생육에 미치는 영향에 대한 고찰
이선진 ( Seonjin Lee ),성원석 ( Wonsuk Sung ),박동욱 ( Donguk Park ),정필수 ( Pilsoo Jeong ) 한국농업기계학회 2022 농업기계공학 Vol.2 No.1
CO<sub>2</sub> fertilization is very critical for plants in a greenhouse because CO<sub>2</sub> is insufficient after sunrise due to the photosynthesis. This study reported the variation of CO<sub>2</sub> concentration in greenhouse and the effect of greenhouse plants on CO<sub>2</sub> fertilization. Alstroemeria were cultivated in CO<sub>2</sub> fertilization greenhouse and non- CO<sub>2</sub> fertilization greenhouse (Control house). To supply CO<sub>2</sub>, we set a catalyst-type CO<sub>2</sub> generator at fertilization greenhouse and it generated 0.36kg/h CO<sub>2</sub>. The CO<sub>2</sub> concentration at CO<sub>2</sub> fertilization greenhouse was maintained about 640 ppm from 6:00 to 10:00. The result reported that CO<sub>2</sub> fertilization significantly increased the weekly yield and shoot length. There was slightly increase at total number of flowers and stem thickness despite of no statistical significance. According to these positive results, we considered that future studies would be aimed at experiments with bigger scale and more details.