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What Is the Impact of Relative Humidity in a Greenhouse on Plant Growth

Views: 0     Author: Site Editor     Publish Time: 2023-05-26      Origin: Site

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With the improvement of people's quality of life, people's requirements for fruits, vegetables, flowers and other crops are becoming increasingly high. It is necessary to control the humidity inside the planting greenhouse in order to produce high-quality fruits, vegetables, flowers and other crops. The high or low humidity in the air can affect the growth of plants. When the humidity in the planting greenhouse is insufficient, the dry air will absorb water from the stored fruits and vegetables, causing them to become dry and lose water. Generally speaking, it is appropriate to control the relative humidity between 85% and 95% RH. In the planting industry, the growth environment of any plant will determine its growth rate and yield. Therefore, it is necessary to use dehumidifiers and humidifiers in the planting greenhouse to regulate the humidity of the planting environment!

Taking cherry planting greenhouses as an example, the environmental humidity inside the greenhouses also has different requirements at different stages. It can be roughly divided into three stages: heating up to the stage of inflorescence separation, flowering, and fruit growth.

1. Heat up to the stage of inflorescence separation: Generally, high humidity is required, with a relative humidity of 85% RH or above. The tree should be frequently sprayed with water to maintain sufficient humidity. Especially for greenhouses that use heating facilities, we should pay more attention to this point.

2. Flowering period: The requirements for humidity are relatively strict, with a relative humidity generally between 50% -60% RH. If the humidity is too low, the anthers are not easy to crack, the pollen is difficult to disperse, and it is not easy to pollinate; The pistil is prone to dehydration and aging, making it difficult to fertilize.

3. Fruit growth period: After withering, the humidity should be raised to 70% -85% RH, and depending on the soil moisture content, it is important to avoid the soil being dry and wet, and the humidity being high and low. Otherwise, it is highly likely to cause serious fruit cracking during the fruit color change and expansion period!


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