LYU Jia-jia,WANG Ping,WANG Qiu-jing,et al.Analysis on Microclimate Characteristic of Span Plastic Greenhouse in Heilongjiang Province[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(12):73-78.
黑龙江省日光温室小气候变化规律分析
- Title:
- Analysis on Microclimate Characteristic of Span Plastic Greenhouse in Heilongjiang Province
- 文章编号:
- 1002-2767（2012）12-0073-06
- Keywords:
- Heilongjiang province; plastic greenhouse; microclimate
- 分类号:
- S625
- 文献标志码:
- A
- 摘要:
- 为了解黑龙江省4～7月日光温室的小气候变化规律，于黑龙江省双城市公正乡的日光温室内进行小气候观测试验，以棚内外气温、地温及空气相对湿度的日变化及月变化为研究重点，分析其变化规律。结果表明：4～7月日光温室的总体增温效果显著，但增温效果在逐月减弱，4月下旬平均7.2℃，5月份平均6.7℃、6月份平均2.0℃，7月份平均1.9℃。4～7月棚内气温日最低值出现在5∶00～6∶00，12∶00～13∶00达最大值，16∶00后开始下降。4月下旬10 cm地温平均增温9.5℃，5月份平均5.9℃，6月份平均-3.5℃，7月份平均-2.4℃。与棚内外气温日变化趋势相比，棚内外的10 cm地温的日变化幅度小，速度慢。4～7月份棚内10 cm地温日最低值出现在8∶00～10∶00，最高值在16∶00～22∶00，22∶00开始缓慢下降。4～7月棚内空气相对湿度增加也比较显著，但湿度增加效果在逐月减弱。
- Abstract:
- The microclimate experiment was carried in Shuangcheng city in Heilongjiang province to study the change laws of microclimate in span plastic greenhouse during April to July in Heilongjiang province.It focused on daily variation and monthly change of the inside and outside temperature,air temperature and relative humidity,their change laws were analyzed.The results showed that the greenhouse warming effect was significant during April to July,but the warming effect was abate month by month,7.2℃ in late April,6.7℃ in May,2.0℃ in June,1.9℃ in July.The minimum inside temperatures value appeared in 5∶00～6∶00 during April to July,the maximum value appeared in 12∶00～13∶00,from 16 o ’clock began to decline.10 cm average ground temperature rose 9.5℃ in late April,5.9℃ in May,3.5℃ in June,2.4℃ in July.Compared with the inside and outside air temperature change trend,the inside and outside daily variation of 10 cm ground temperature amplitude small,slowly.The minimum inside 10 cm ground temperature value appeared in 8∶00～10∶00 during April to July,the maximum value appeared in 16∶00～22∶00,from 22 o ’clock began to decline.The inside air relative humidity increased significantly during April to July,but effect of humidity increased abate month by month.
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备注/Memo
基金项目：公益性行业(气象)科研专项经费资助项目(GYHY201206024)