Dichlorvos: Flue-cured sawdust in the greenhouse with 80% dichlorvos 0.2-0.3 kilograms plus fry yellow per acre, which is effective against greenhouse aphids and powdery mildew. Sugar, vinegar mixture: Cotton tigrina, Spodoptera litura and other adults have a strong odor, is very sensitive to acid, sweet, in the adult stage, with 6 sugar, vinegar 3, 1 white wine, 10 parts of water and 80% of dichlorvos were added to the pot and placed in the pot. The pot was placed at a height of about 1 meter from the ground to trap and kill moths. Copper-ammonium mixture: copper sulfate (lanthanum) and ammonium bicarbonate were uniformly mixed at a ratio of 2:0. 24 hours after sealing, cytokinin was sprayed at 300 to 400 times, which was effective in controlling tomato virus disease. Mix Dimethoate and Vinegar: Apply 12.5 kg of water, 8 ml of omethoate, 100 ml of vinegar, and an appropriate amount of detergent powder (neutral) to spray cucumber leaves to form a protective film on the leaf surface and increase the number of leaves. Thick, melons are large and uniform, and the number of deformed melons will also decrease. Sugar and urea mixture solution: Take 40 grams of brown sugar and 40 grams of urea and then add 25 grams of vinegar. Add 12.5 kilograms of water to the leaves and mix well to prevent and control cucumber downy mildew. Sulfur Smoke: Before planting, 0.5 kg of sulfur and 1 kg of sawdust were used to confine fumes from each acre of greenhouses. After two days of colonization, the results were good for the prevention of greenhouse powdery mildew and downy mildew. Grass trapping: Use 25-40 kg per acre to grow fresh weeds or leaves of about 3 cm. Mix with 50 g of 90% trichlorfon (add a small amount of water to dissolve). Sprinkle it in the field every evening to trap and kill small tigers. Spodoptera litura and so on.
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