Dimethoate and vinegar in aqueous solution
With 40% of dimethoate and vinegar and water, mixed at a ratio of 1:1:1500, spraying 50 kg per acre, which has good control effect on aphids, red spiders, thrips, and leafminers. The use of Dimethoate can save about 30% of pesticides and increase the insecticidal effect 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.
Trichlorfon mixed with ash
Ten kilograms of hay sifted per acre and 50 kg of fresh water are mixed and soaked for 24 hours. The filtrate is taken out, and 80% of trichlorfon is added to mix with 25 grams. Every 7 to 8 days, the crop is sprayed with foliar spray. Spray 3 times, can control aphids, red spider, cabbage caterpillar, armyworm, rice planthoppers, leafhoppers and other pests, but also the effect of increasing production.
Urea mixed with detergent
500-700 grams of urea per acre, detergent 125 grams, mixed with 50 kilograms of water dissolved, the crop spraying the foliage, can control grass, flowers and other locusts, spider mites. 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%.
The urea and dimethoate are mixed with 40% dimethoate EC 50 ml, urea 500 g, and water 50 kg, and the foliar is sprayed with seedlings, flowers and other crops to prevent and treat 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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