1. It is not advisable to spray pesticide when the temperature is too high. When the temperature is high and strong, most of the pests stop moving and hide in the cool backlight. The medicine is not easy to spray. At high temperatures, the loss of pesticide volatilization is large, and the decomposition of the drug is fast. At this time, the efficacy of spraying is reduced. And it is easy to cause operator poisoning.
2. It is not advisable to spray pesticides before 9:00 am. At this time, the pest has not come out yet, and the dew is not dried. The dilution of the medicament by dew will reduce the efficacy and the insecticidal effect is not ideal. You should choose 9:10 am (after dew dry), 5 to 7 pm (before and after sunset), and spray when the pests are active.
3. It is not suitable for the concentration of the drug to be too high. Many farmers plan to save trouble. In the midsummer, the spray is still less water, and the concentration of the drug is too high. After the liquid is sprayed on the foliage of the crop, it is easy to cause phytotoxicity due to the rapid evaporation of water. The amount of water should be appropriately increased to ensure that the dosage per acre is about 45 kg;
In addition, it is necessary to wear protective clothing, wear a mask when spraying, and clean the body in time to prevent pesticide poisoning.
Huaxian County Shang Hongyan
2. It is not advisable to spray pesticides before 9:00 am. At this time, the pest has not come out yet, and the dew is not dried. The dilution of the medicament by dew will reduce the efficacy and the insecticidal effect is not ideal. You should choose 9:10 am (after dew dry), 5 to 7 pm (before and after sunset), and spray when the pests are active.
3. It is not suitable for the concentration of the drug to be too high. Many farmers plan to save trouble. In the midsummer, the spray is still less water, and the concentration of the drug is too high. After the liquid is sprayed on the foliage of the crop, it is easy to cause phytotoxicity due to the rapid evaporation of water. The amount of water should be appropriately increased to ensure that the dosage per acre is about 45 kg;
In addition, it is necessary to wear protective clothing, wear a mask when spraying, and clean the body in time to prevent pesticide poisoning.
Huaxian County Shang Hongyan
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