Effect of Different Materials Hanging on Environment Factors in Solar Greenhouse(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effect of Different Materials Hanging on Environment Factors in Solar Greenhouse

Author(s):: WEI Feng; JIANG Li; BAI Qing; ZHANG Ya- hong; College of Agriculture，Ningxia University，Yinchuan，Ningxia 750021

Abstract:: Taking the solar greenhouse located in the Helan Gardening Park of Ningxia as research object，using the bare backwall in the solar greenhouse as CK，the effect of backwall coverage materials，namely reflective screen and black film，in the indoor environment factors including light intensity，temperature of wall surface and humidity were studied and thus provided a theoretical basis for the adjustment in solar greenhouse.The results showed that the light on the reflective screen in the horizontal direction had displayed the highest level of intensity which was about 127 % to 154% stronger than the other two areas on average，which also applied to the vertical direction.What was more，the temperature of wall surface with black film on sunny days was the highest and also 16 to 72℃ higher than that of the other two areas.On cloudy days，the temperature of bare wall surface was the highest and also 13 to 45℃ higher than that of the other two areas.On sunny days，the average humidity of bare wall surface was the highest and also 95% to 163% higher than the other two areas.On cloudy days，the average humidity of wall surface with black film was 63% to 104% higher than the other two regions.On the whole，the temperature of the wall surface in different treatments will fall gradually in winter，especially in the nighttime.In addition，the temperature of the wall surface with black film was always higher than that of the other two areas.

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Last Update: 2014-08-09