气泡膜覆盖对南方塑料大棚冬季保温效果的影响

Effect of Bubble Film Covering on Thermal Insulation of in Plastic Greenhouse in Winter of South China

为促进南方冬季塑料大棚蔬菜生产,以气泡膜为材料,研究了气泡膜不同覆盖方式对玻璃温室、连栋大棚、单体大棚的保温效果的影响。结果表明:玻璃温室和连栋塑料大棚内侧悬挂气泡膜覆盖,夜间平均气温较室外可提高2.0～6.2℃和1.1～5.6℃,基本可以满足寒潮期间蔬菜作物的生长;单体大棚内气泡膜作为二道膜覆盖、普通二道膜+气泡膜覆盖、普通二道膜+无纺布覆盖3种方式来看,夜间平均气温较室外分别提高2.6～2.9℃、3.2～6.7℃和2.1～6.4℃,增温效果以二道膜+气泡膜覆盖处理较好,同时试验也证实了气泡膜在大棚冬季保温上应用的可行性。

In order to promote vegetable production in plastic greenhouse in winter of south China,we studied the effects of different covering methods with bubble film in glass greenhouse,multi span greenhouse and monomer greenhouse using bubble film.The results showed that the glass greenhouse and multi span greenhouse inside suspension bubble film coverage,the average temperature at night can be increased by 2.0-6.2 ℃ and 1.1- 5.6 ℃ than outdoor,can basically meet the growth of vegetable crops during cold wave.Monomer greenhouse inside suspension bubble film as the second film,the second film＋bubble film covering and the second film ＋ non-woven fabrics covering,the average temperature at night were increased by 2.6-2.9 ℃ and 3.2- 6.7 ℃ and 2.1-6.4 ℃ than outdoor,warming effect with the second film＋bubble film covering treatments was better.The text can also confirm the feasibility of bubble film in the greenhouse on the application of heat preservation in winter.