When the wind falls and the cooling rate reaches 10°C or more, how can the greenhouse vegetables be reduced as much as possible? The author believes that the following measures can be taken: inspection of greenhouse facilities. Multi-layer covering ensures the insulation performance of the greenhouse and compacts the shed film. Increase lighting as much as possible. Even if the temperature is not low, the weather should be exposed every day and proper ventilation should be provided. When the temperature is too low, artificial warming is applied. When the temperature in the greenhouse falls to the minimum temperature required by the vegetables, measures are taken to increase the temperature. For example, the small and medium sized arch sheds are added, coverings are added outside the shed, and the temperature is increased. When the disease occurs, timely prevention and treatment. In case of severe weather, it is easy to cause disease infestation and occurrence, and it can be prevented and treated with aerosols in time. Thinning and fruit thinning reduce nutrient consumption. If there is a long period of low-temperature weather, the plants with weaker growth or more results will be harvested in time, and appropriate fruit thinning and thinning will occur.
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