Hello World! Welcome Friends! You might have often heard gardeners stressing the importance of adequate ventilation in greenhouses. Proper ventilation is one of the most necessary factors to keep your greenhouse garden healthy and happy. Without it, the plants in your greenhouse might face a multitude of problems.
We spoke to some experts at South West Greenhouses to understand the importance of optimum ventilation in greenhouse gardens. According to them, greenhouse owners should learn about ventilation to make better decisions about opening doors, adjusting vents, setting thermostats, and using the fans.
In this article, we will discuss some of the vital reasons to regulate ventilation in your greenhouse.
Fresh Air for Respiration
Plants are living organisms that breathe just like human beings. They inhale carbon dioxide and exhale oxygen during the day while the leaves carry out photosynthesis. However, at night, the respiration process switches, and they exhale carbon dioxide.
The length of the day and climatic conditions can affect the rate of respiration for plants. However, a lack of ventilation in the greenhouse can create an imbalance of gases which can cause stress to your plants. Proper ventilation will ensure that your plants get the optimum amount of oxygen or carbon dioxide for healthy living.
Pollination
Pollination is necessary for plants to carry out their production process. Without pollination, there will be no flowers, fruits, or crops. Plants and trees in nature rely on wind to disperse their pollen to other plants around them.
Artificial airflow can mimic the winds of nature within your greenhouse, allowing the plants to pollinate. Bees also aid the process of pollination. Opening the vents in your greenhouse allows bees to come in and out to pollinate the plants.
Prevent Infections
Fungal infections are one of the biggest challenges faced by greenhouse gardeners. Some plants can be more susceptible to fungus or mildew infections. These infections spread through spores that get dispersed in the air in tiny concentrated quantities.
Spores prefer to grow in wet and warm conditions, which are usually found in locked-up places with a lot of organic material to feed on, like a greenhouse. Fungus and mildew act as decomposers for nature that can feed on any natural substance they can land on in their preferred environmental conditions.
Once they infect any plant in your garden, they can spread through air and soil. Adequate ventilation is one of the easiest ways to prevent fungus or mildew from growing in a greenhouse.
Prevent Pests
Inadequate ventilation in greenhouses can make your plants weaker and susceptible to pests. Most insects thrive in hot and humid conditions which are perfect for laying eggs. Proper ventilation will prevent insects and pests from treading in your greenhouse.
Temperature Control
Even though greenhouses are supposed to keep the inside warmer than the outside weather conditions, it should not get too hot. Many plants can be sensitive to temperature, and too much heat in the greenhouse can cause them to wilt and even die.
Sensitive plants also cannot tolerate extreme changes in temperatures which can be common in locked up greenhouses. Using proper ventilation will allow the hot air to escape while letting the cool air in whenever required. That way, you can maintain optimum temperatures in your greenhouse and avoid unnecessary stress to your plants.
Humidity Control
Every plant needs different levels of humidity to survive. They also release moisture into the air, which adds to the humidity inside a greenhouse. The conditions can become detrimental for your plants if you do not let the excessive moisture escape from your greenhouse.
Too much humidity can increase the temperature in the greenhouse by absorbing heat. It will provide favorable conditions for fungus, mildew, and pests to grow. Proper ventilation will allow the warm and humid air to escape from your greenhouse and let the cool dry air inside.
Opening the doors or windows in a greenhouse can be adequate to allow ventilation in smaller greenhouses. However, if you have a large greenhouse, you will have to install fans to optimize air circulation. Oscillating fans can be a great way to ensure that all the plants in a large greenhouse can benefit from the airflow.
You can also use fans on the ceiling to circulate the warm air that gets accumulated at the top of the greenhouse. The amount of ventilation required in a greenhouse will depend on the climate at your location.
If you get a lot of natural wind in your area, you should try to install the vents to allow maximum airflow in your greenhouse. If you need further help to plan the ventilation inside your greenhouse, you can consult an expert to get better directions.
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