Should be built on a low water table , adequate water, drainage and irrigation convenient , pollution-free soil loose and fertile land ; seat to the general requirements for the north-south direction , air vents located in east and west sides .
The advantage of this is :
( 1 ). Help reduce the greenhouse humidity ;
( 2 ). Reducing greenhouse scaffolding cultivated crops , mutual shading between the stalk crops , so that by the light evenly ;
( 3 ). Avoid the greenhouse in the winter when ventilation ( cooling ) , operating ventilation , cooling and excessive intrusion of the north , while increasing the amount of ventilation .
Development of greenhouse vegetable cultivation technology , can be said to be a trend, with the improvement of people's living standards , vegetable diversification requirements will further increase , vegetable greenhouses can compensate for the lack of seasonal vegetables , no doubt in the future of vegetable production It will have an important role.
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