Choose excellent varieties and dry them. After drying, use new high-fat membrane seed dressing to keep warm, moisturize and swell, improve seed germination rate and make seedlings strong. Repel underground pests and isolate viral infections.
It is carried out with other crop rotations, and it is necessary to choose sandy loam soil with high dry terrain, loose soil layer and convenient drainage and irrigation. Apply sufficient organic fertilizer and increase potassium fertilizer to enhance plant resistance.
If a diseased plant is found during the long process, it should be immediately removed and taken to the field for deep burial or burning, and sprayed and controlled. It can be sprayed with 72% downy mildew WP 500 times liquid + new high fat film for prevention and treatment. It can be sprayed once every 7-10 days. In the early stage of the disease, it can spray 58% Rydmir 500 times liquid + plant cell immune factor, 7-10 Spray once a day, even spray 2-3 times to control plant physiological diseases and invasive diseases.
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