If You Want To Keep The Plants Happy In Your Greenhouse Supply A Good Ventilation System
For optimal functioning of your greenhouse supply sufficient air ventilation at all times.
The air inside a greenhouse is heated by re-radiation of solar energy by objects inside the greenhouse, or, sometimes, by means of artificial heating.
It may reach a point where the temperature inside the greenhouse grows uncomfortably high for the plants. If this happens, you need to implement a good greenhouse ventilation system to exchange some of the warm air inside for cooler air from outside.
Because warm air rises, it is convenient to allow it to escape through vents at the highest point of the greenhouse. Cool air can gain access through natural means - for instance, leaks where glass overlaps - or through side vents set lower down in the sides of the greenhouse. It’s especially important to provide lean-to or circular greenhouses, or greenhouses used to grow alpine plants, with an adequate fresh air supply.
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