|Table of Contents|

Influence of Different Solar Greenhouse Rear Wall Structure on  Winter Environment

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年05
Page:
69-77
Research Field:
Publishing date:

Info

Title:
Influence of Different Solar Greenhouse Rear Wall Structure on  Winter Environment
Author(s):
HE Na1; WANG Ying2; WEI Xin1; GAO Yanming1; WANG Hanlin2; WANG Juan2
(1.College of Agricultural Academy，Ningxia University，Yinchuan，Ningxia 750021 2.Agricultural Technology Promotion Centre of Yinchuan，Yinchuan，Ningxia 750021)
Keywords:
structure of rear wall; winter insulation; test of environment
PACS:
-
DOI:
10.11937/bfyy.20172056
Abstract:
It is important for greenhouse heat preservation performance with the wall structure.The effects of 3 kinds of different new wall of greenhouses structure on the wall heat flux，air temperature，humidity，soil temperature in 10 cm，light intensity and CO2 concentration were compared，to choose the best wall structure in winter comprehensive environment，in order to provide a theoretical basis for the construction of local greenhouse.The results showed that the No.2 greenhouse structure had a strong of heat absorbing ability，which number was 140 286.8 W?m-2，-121 908.9 W?m-2.Air temperature had a trend of No.1>No.2>No.3，No.1 greenhouse monthly average was 18.05 ℃，which was the higher 0.17 ℃ than No.2 greenhouse.The air humidity average in No.3 greenhouse was highest，reached 75.59%，which was higher 10.56% than No.2 greenhouse，with little difference in No.1 greenhouse.There was no difference between the soil temperature of 3 greenhouse.The carbon dioxide concentration showed the trend of No.3＞No.1＞No.2，the monthly value of No.3 greenhouse reached 1 098.94 mg?L-1，which was 77.12% higher than No.2 greenhouse，was 40.69% higher than No.1 greenhouse.No.2 greenhouse of light intensity monthly mean 7 255 lx，compared with the greenhouse No.3 increased by 3.2%，compared with the No.1 greenhouse increased by 23.74%.No.2 wall of greenhouse structure could ensure higher air temperature and soil temperature and appropriate air humidity in winter，at the same time，also had high light intensity and suitable concentration of carbon dioxide，so the No.2 greenhouse had more production advantages.

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Last Update: 2018-03-15