Dimethoate and vinegar are mixed with 40% dimethoate plus vinegar and water, mixed in a ratio of 1:1:1500, spraying 50 kg per acre, for locusts, red spiders, thrips, and vegetable leaf miners Such as a good control effect, can save about 30% of pesticides than dimethoate alone, the effect of insecticide increased by 20% -30%. Because vinegar can soften the body wall of pests, thereby enhancing the penetration of liquid medicine, improve the insecticidal effect, while vinegar contains a variety of nutrients, the crop also has a certain role in increasing production.
The trichlorfon mixed with the ash liquid is mixed with 10 kg hay ash per acre and 50 kg of fresh water and soaked for 24 hours. The filtrate is taken out, and 80% trichlorfon is added to mix 25 g every 7-8 days. Foliar spraying, even spraying 3 times, can control aphids, red spider, cabbage caterpillar, armyworm, rice planthoppers, leafhoppers and other pests, but also the effect of increasing production.
Urea and detergent are mixed with 500-700 grams of urea per acre, 125 grams of detergent and 50 kg of water. After the mixture is dissolved, the crop can be sprayed with foliar spray to control grasshoppers, flowers and other locusts and red spiders. Spray once every 7-8 days, even spray 2-3 times, the efficacy can reach more than 90%, and the crop can increase production by more than 10%.
Mix urea and dimethoate with 40% dimethoate EC 50 ml, urea 500 g, and water 50 kg. Mix and spray the leaves with seedlings, flowers and other crops to prevent aphids, thrips, leaf miners and other pests. And there is a significant increase in production. Because the dimethoate has a residual period of only 5-6 days, the interval between spraying is preferably 5 days.
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