In the process of ventilation in greenhouses, many vegetable farmers adopt a unified ventilation mode. The vents on the east and west sides are all set to the same size. However, the eastern and western parts of the greenhouse are affected by sunlight and outside air flow, and the temperature varies greatly. If you do not consider the shed door, the general West head temperature is higher, the plant photosynthesis is strong, there are many photosynthetic products produced, so the results are more, the yield is high, while the East head is less result, the output is low.
How to solve this problem? The best way is to timely adjust the size of the vents according to the actual conditions of the eastern and western ends of the greenhouse.
In clear and windless or breezy weather, the innermost temperature of the greenhouse is higher than the temperature at the entrance to the greenhouse. When ventilating, the innermost vents of the greenhouse need to be pulled larger, and the vents near the entrance to the greenhouse should be drawn smaller. In this way, the temperature in the entire greenhouse can be guaranteed and the crops grow in consistency.
In case of special weather, special management is also required. Generally, the weather in the northwest winds is often scraped in winter. When ventilating, it is necessary to pay attention to the ventilation of the western part of the greenhouse and the vents in the east head are relatively small.
How to solve this problem? The best way is to timely adjust the size of the vents according to the actual conditions of the eastern and western ends of the greenhouse.
In clear and windless or breezy weather, the innermost temperature of the greenhouse is higher than the temperature at the entrance to the greenhouse. When ventilating, the innermost vents of the greenhouse need to be pulled larger, and the vents near the entrance to the greenhouse should be drawn smaller. In this way, the temperature in the entire greenhouse can be guaranteed and the crops grow in consistency.
In case of special weather, special management is also required. Generally, the weather in the northwest winds is often scraped in winter. When ventilating, it is necessary to pay attention to the ventilation of the western part of the greenhouse and the vents in the east head are relatively small.
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