蒋欣梅，刘在民，于锡宏
    (东北农业大学园艺学院，哈尔滨150030)

[摘要] 介绍了“东农三弦式”日光温室( Sx)的结构特点和光温性能。研究表明，“东农三弦式”日光温室(Sx)具有良好的采光性和保温性，与东农20-1温室(CK)相比，平均透光率提高3.0%，保温效果提高8.4  ℃，试验的两温室地表下lOcm的地温均随着距前沿距离的增加而增加，在距前沿400cm处达到最高值，而后地温下降，地表下10cm平均地温Sx比CK提高了2.7 ℃。
[关键词] 三弦式拱架；日光温室；光温性能

    Study on light and temperature capability in the Dongnong Three Chord Type sunlight glasshouse
    Jiang Xinmei,  Liu Zaimin, Yu Xihong
    (College of Horticulture,Northeast Ag/icultural University, Harbin 150030,   China)

Abstract: The configuration character, light and temperature capability in the 'Dongnong Three Chord Type' sunlight glasshouse was introduced. The 'Dongnong Three Chord Type' sunlight glasshouse (Sx) had better capability oflighting and heat preservation. Average percent of penetration light increased 3.0% and  heat preservation increased 8℃ comparing to 'Dongnong 20-1' glasshouse (CK). With distance away front edge of glasshouse increase, ground temperature under the earth's surface lOcm increased in Sx and CK. Average ground temperature under the earth's surface 10cm increased 2.7℃ than CK.There was the highest value of ground temperature at 400cm apart from front edge of glasshouse, then ground temperature decreased.
Keywords: Three Chord type arch;  sunlight greenhouse;  light and temperature capability