LI Yin-fang,PAN Bo-rong,SUN Yong-qiang,et al.The Heat Preservation Effects of Different Coverings for Fruit Trees’ Overwintering[J].Northern Horticulture,2012,36(18):19-22.
不同覆盖物对果树越冬的保温作用
- Title:
- The Heat Preservation Effects of Different Coverings for Fruit Trees’ Overwintering
- 文章编号:
- 1001-0009(2012)18-0019-04
- Keywords:
- fruit tree; overwinter; heat preservation; covering
- 分类号:
- S 66
- 文献标志码:
- A
- 摘要:
- 在克拉玛依市乌尔禾区，于2006～2007年冬季，采用不同覆盖材料，进行了黑塑料布、双膜彩条布、单膜彩条布和紧贴式双层塑料布覆盖下的最低温度和温差的逐日观测，以减轻果树越冬掩埋的劳动强度。结果表明：最低气温平均值是黑塑料布-5.9℃，双膜彩条布-7.3℃，单膜彩条布-9.3℃，紧贴式双层-6.6℃，裸露的气温-17.9℃。温差平均值是黑塑料布-2.8℃，双膜彩条布-2.6℃，单膜彩条布-4.8℃，紧贴式双层-3.7℃，裸露的气温-10.0℃。试验表明，黑塑料布的保温效果好，温差也小。单膜彩条布的保温效果最差，温差也最大，有转暖乍冷的不良影响。紧贴式双层塑料布的保温效果因为与单层黑塑料布相同，并且多浪费一层覆盖材料和多费工时而被否定。
- Abstract:
- From 2006 to 2007，in Urho District Karamay，different materials were used as coverage for fruit trees’ overwintering.The heat preservation of black plastic film，color bar-fabric with double film，color bar-fabric with single film，and double plastic film were compared using the mean lowest temperature and the temperature difference under the coverings.The results showed that the lowest temperature of black plastic film，color bar-fabric with double film，color bar-fabric with single film，double plastic film and the control were -5.9，-7.3，-9.3，-6.6 and -17.9℃，respectively;the mean temperature differences were -2.8，-2.6，-4.8，-3.7 and -10.0℃，respectively.The heat preservation effect of black plastic film was the best and the temperature difference was small.The preservation effect of color bar-fabric with single film was the worst and the temperature difference was large，could lead to temperature changing sharply.Double plastic film was given up due to the similar effect as black plastic film and the waste of materials and working hour.
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备注/Memo
第一作者简介：李银芳(1950-)，男，河北灵寿人，本科，研究员，现主要从事林业生态学研究工作。E-mail：liyinf@126.com.