[The environment of temperature and the selection of multiple cropping cultivation of vegetables in large scale vaulted vinyl house in Pyongyang area]. [Korean]
1992
Kim Su Yong
The maximum and minimum temperature of yearly mean in the large scale vaulted vinyl house is respectively 27.1 Centigrade and 7.9 Centigrade. The yearly mean temperature in it is 16.7 Centigrade. The accumulated temperature of more than the limited temperature (0, 5, 10, 20 Centigrade) in the vinyl house is 2987-5265 Centigrade. The beginning and terminal periods of the limited temperature are respectively 18-26 days earlier and 16-24 days later than outdoors. And the duration of temperature in the vinyl house is 37-50 days longer than outdoors.
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