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Covering the drip-free membrane with a drip-free membrane can overcome the disadvantages of a large number of water droplets adhering to the membrane, significantly reduce the humidity, and has good light transmission performance, which is favorable for increasing temperature and reducing humidity.
Covering with plastic film can greatly reduce the evaporation of ground water, and can reduce the number of irrigation, thereby reducing the air humidity.
With drip irrigation or drip irrigation, drip irrigation, infiltration irrigation in addition to saving water, saving labor, saving fertilizer, saving medicine, preventing soil compaction and reducing ground temperature, more importantly, can effectively reduce the increase in air humidity caused by watering.
The drip irrigation under the membrane drip irrigation film combines the common advantages of mulching and drip irrigation, and is an effective measure to reduce the humidity in the greenhouse. The method is to raise the ridge from the ground, then put the drip irrigation pipe in the center of the high ridge, and then cover the mulch.
When the dust method and smog method must be applied in the medicine shed, if the conventional spray method is used, the humidity in the shed will increase, which is unfavorable for the control of diseases. Using the dust method and smog method, you can overcome the above drawbacks.
After high temperature and humidity dehydration in the morning, under normal circumstances, do not let out winds. If the cultivation crops are not harmed, the temperature should be increased as much as possible (for example, cucumber can be allowed to rise to 32°C). As the temperature rises, the humidity gradually decreases. When the temperature rises to the highest value of the suitable temperature required for the cultivation of the crop, exhalation begins.
When the temperature of the greenhouse is high in the greenhouse, the surface of the greenhouse is shallow, and the water evaporation from the surface soil is accelerated to reduce the humidity in the greenhouse.
Reduce the humidity of the greenhouse
Ventilation and ventilation remove moisture and exchange it with dry air outside. This is the simplest method of dehumidification, but it must be avoided that the temperature in the booth is too low due to ventilation.