In the process of growing greenhouse crops, in order to obtain high yield and high quality, necessary pruning and snoring must be carried out. There are two principles for carrying out this farming operation. They are a spray and a purge. How to effectively fight the winter and spring in the greenhouse, what issues should you pay attention to? Let's take a look at the following.

Greenhouse winter spring crop pruning precautions

1. Do not pruning in the snowy days.

In the winter and spring seasons, there will be occasional snowy days, and the sheds are mostly in low light or no sunlight, and the temperature inside the shed. At this time, if the snoring is carried out, it is unfavorable for wound healing and infection by beneficial bacteria. Therefore, the greenhouse crop pruning should be sunny.

2. Do not pruning when the humidity in the shed is high.

The night temperature in the shed is low, or the watering is improper. The humidity in the shed is large and the plant condensation is serious. It is beneficial to bacterial diseases such as gray mold and pith necrosis. If the snoring is carried out, the wound is more susceptible to disease. Therefore, the daily pruning and snoring time should be to pull up the curtain, the shed temperature rises, and there is no dew on the plant.

3, pruning ends, timely spraying and anti-infection

Farming operations such as pruning and snoring will inevitably lead to wounds, which are beneficial to bacterial diseases such as gray mold and pith necrosis. Therefore, after each round of pruning, it is necessary to spray drugs to prevent infection. Before the results are achieved, you can spray Shiduosheng (Binson Zinc) + sweeping (succinated copper acid), or fungusin (70% propyl zinc) + sweeping (succinated copper), after spraying Yue purchase (50% procymidone) + sweep (succinated copper acid), or gray (40% pyrimethanil) + Kexian, in order to prevent infection from the wound.

4. Remove the stems and leaves of the underarms in time.

It is a good habit to remove the diseased body and the stems and leaves of the pruning every day.

The above is the matter of snoring in greenhouse greenhouse vegetables. As long as you pay attention to the above four items, you will definitely be able to produce high quality and high quality. If you have a fight, what else should you add? Welcome to add.

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