In autumn, greenhouse vegetables are mainly grown in melons and solanaceous varieties of thermophilic vegetables. These varieties generally have higher requirements for suitable growth temperatures during flowering and development. Therefore, it is necessary to make good insulation and rolling of the film according to weather changes. Membrane ventilation cooling, to regulate the greenhouse temperature and humidity, to meet the needs of vegetable growth and development.
As the weather turns cold, the humidity in the shed increases, and it is easy to cause damages such as gray mold and diseases. In addition to good ventilation management, the quasi-pesticide should be selected for early prevention and control.
In the autumn, vegetables such as cabbage, broccoli, Chinese cabbage, radish, carrots, etc., need to be re-fertilized after entering the ball stage or the root swelling stage. At the same time, the prevention and control of pests such as Plutella xylostella, Pieris rapae, and vegetable worms should be strengthened.
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