How to adjust the humidity in the winter booth
Changing the temperature changes the humidity in the booth by changing the temperature in the booth. When the humidity in the greenhouse is 100% and the greenhouse temperature is 5°C, when the temperature is increased by 1°C, the humidity is 3% to 4%. When the temperature is increased to 20°C, the humidity is about 70%, the temperature rises to 30°C, and the humidity is reduced. It is 40%. Conversely, when the temperature drops to 18°C, the relative humidity can rise to 85%, and when the temperature drops to 16°C, the relative humidity reaches almost 100%.
Ventilation and ventilation is the simplest method of dehumidification in greenhouses. Generally after each irrigation, under the premise of not affecting the temperature, it is necessary to increase the amount of ventilation, the moisture out of the shed, into the outside world of dry air, reduce the humidity of the air inside the shed. Ventilation and ventilation should generally be carried out at 9-14 hours so that the dehumidification and insulation can be balanced with each other.
The cultivating cover soil must be fully watered before or after the planting of the vegetables. After the water has penetrated, the cultivator and the soil cover or the ground covering and the plastic film covering are used to reduce the evaporation of water and maintain the suitable soil temperature to reduce the air. Relative humidity.
Water control and dehumidification regulate the humidity in the shed by reducing the amount of irrigation and the number of times. In order to make the change of air humidity small and satisfy the vegetable's need for soil moisture, we can adopt watering methods such as ditching, digging watering or drip irrigation to avoid flooding. When the humidity is low, we need to increase the humidity as quickly as possible. , can sprinkle water or spray on the ground.
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