In the late autumn, the winter season often encounters severe weather, such as rain and snow, even cloudy days, and low temperatures. It not only seriously affects the growth of plants, but also has a great impact on the flower bud differentiation of fruits and vegetables. Falling flowers and fruit, malformed fruit have a great impact on the overall yield of vegetables. In this period, we should do a good job in the cultivation and management of vegetables in protected areas, and we must strengthen the scientific management of low-temperature and cloudy vegetables.
Usually, before the onset of the disaster, the new high-fat film + tree guards will be sprayed in time to prevent frost and infection, and prevent disease from happening. Generally, spraying the agent is carried out on a sunny day, which is beneficial to the rapid drying of the leaves and avoiding diseases. If the weather is cloudy for a long time, the sprayed leaves of the medicament are not easy to dry, and it is possible to use an aerosol and a powder spray to prevent disease. For the cold current, you can use the cover curtain to avoid the cold, and ensure that the vegetables are not easily damaged.
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