1. Drain in time. After the rain, use artificial or pumping machines to drain water in time, and use spray water to remove mud and other debris deposited on the shoots and leaves. Plants and supports that are washed down by water.
2. Moderate cultivator. After flooding, the soil is poorly ventilated, which can easily lead to root hypoxia. Therefore, when the soil in the shed is a little dry, cultivating the cultivating time, the roots can be lighter, and the rows can be properly deepened. After 5 to 7 days of the first cultivator, one more cultivator can be used according to the soil moisture.
3. Appropriate top dressing. After the vine is flooded, the root system is damaged, affecting the growth of the grape. After the cultivator, the amount of high nitrogen and potassium compound fertilizer 30-40 kg/mu + humic acid fertilizer 10-20 kg/mu should be appropriately applied. At the same time foliar spraying of 0.3% potassium dihydrogen phosphate 1 ~ 2 times.
4. Control pests. After rain, due to high humidity and high temperature, downy mildew often occurs, and attention should be paid to timely prevention and treatment. Available 25% Amisida 1500 times or 3% Jinlei Duomi - manganese zinc 600 ~ 800 times, 64% antivirus 400 ~ 600 times liquid and 75% Dakkoning wettable powder 400 ~ 600 times liquid and other prevention and treatment.
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