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出 处:《北方园艺》2014年第2期44-48,共5页Northern Horticulture
基 金:国家级大学生创新实验资助项目(12NXN42);国家星火计划资助项目(2011GA880001)
摘 要:以宁夏贺兰园艺产业园日光温室为研究对象,以目光温室后墙裸墙为对照,研究了反光幕、黑色膜不同后墙张挂材料处理对日光温室室内光照强度、墙体表面温度及湿度等室内环境的影响,以期为日光温室环境调控提供理论依据。结果表明:水平方向反光幕区光照强度最大,平均高于其它2个区12.7%~15.4%;垂直方向与水平方向相似,三者差异显著;晴天黑色膜区墙体表面温度最高,平均高于其它2个区1.6~7.2℃;阴天受光照影响,裸墙区墙体表面温度最高,平均高于其它2个区1.3~4.5℃;晴天裸墙区墙体表面平均湿度最高,高于其它2个区9.5%~16.3%;阴天黑色膜区平均湿度高于其它2个区6.3%~10.4%;不同处理下墙体表面平均温度进入冬季后逐渐降低,尤其夜间规律明显,黑色膜区温度始终高于其它2个区。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 12. 7 % to 15.4% 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 1.6 to 7. 2℃ higher than that of the other two areas. On cloudy days,the temperature of bare wall surface was the highest and also 1.3 to 4. 5℃ higher than that of the other two areas. On sunny days,the average humidity of bare wall surface was the highest and also 9.5% to 16.3% higher than the other two areas. On cloudy days, the average humidity of wall surface with black film was 6. 3% to 10. 4% 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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