Manage the deep ditch before the rain to ensure the smooth drainage of the ditch. If there is a diseased fruit, diseased leaves, timely treatment of the drug, too serious can be directly removed, brought out of the park. Spray calcium, magnesium and trace element foliar fertilizers as appropriate to improve the disease resistance of grape plants. Spray a protective fungicide to prepare for the rain.
The most basic management after rainfall is that the vineyard should clean the orchard in time after the rain, and do the drainage work. It is best to drain the water while loosening the ditch to prevent excessive humidity in the vineyard. The second is to wipe out the new shoots in time to keep the grape racks ventilated and transparent. Appropriate amount of potassium, calcium, magnesium and trace elements to improve leaf function, enhance tree potential and improve disease resistance of plants. Furthermore, don't be greedy and control the production in the park.
Other technical measures If the situation of rotten fruit in the field is very serious, the following technical measures can be considered: 1. Apply rain-proof cultivation techniques. This technology is more common, covering the plastic film on the top of the grape, and the water flows out of the garden with the film when it rains. 2. Change the frame type. There are fence type, V-shaped frame, scaffolding and so on. Compared with various frame types, V-frames and scaffolding can significantly improve the ventilation and light transmittance in the garden, reduce the occurrence of diseases and improve the quality of fruits. 3. Cover the mulch film. Covering the mulch can bring about rainfall to reduce soil moisture, reduce orchard humidity, and reduce disease occurrence.
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