Ventilation is crucial to controlling the temperature and managing humidity levels inside your small greenhouse. By having a good amount of greenhouse ventilation, you provide your plants with the nourishment they require to survive.
The easiest way to ventilate a greenhouse is by having roof or side vents that provide regular cooling air changes throughout. The standard rule is, for every 50 sq ft of floor area, you should aim to have ten sq ft of ventilation.
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