This paper outlines the research status of solar radiation at home and abroad, it discusses the weather cloud, greenhouse covering materials and other factors on the effect of light greenhouse environment, at the same time it summarizes the initial results of light greenhouse environment model simulation research, it also points out the research direction of unsolved problems and future on the light greenhouse environment, we consider the sunlight greenhouse with guidance and reference from the angle of light environmental.
In order to make a more accurate control of temperature and humidity on the Closed Breeding Plant System (CBPS), air temperature and relative humidity changing with time and spatial distribution were monitored by temperature and humidity sensors in different space points (22) of CBPS for 6 consecutive days. The results showed that during the Bright Period , the average temperature of CBPS was 26.2 ± 0.5 °C, in the regulation of the target range and Relative humidity is 77 ± 2%, slightly higher than the control target. During Dark Period, the temperature falled from 26 °C to 19 °C and the average relative humidity reached 99%, significantly higher than control target. We could use the air switch to reduce relative humidity of CBPS.
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