First, avoid spraying when the temperature is too high
Some farmers think that the higher the temperature, the better insecticidal effect of spraying pesticides, it is not. When spraying at high temperature and strong light, most of the pests stop their activities and hide in cool and shaded areas. The pesticides are not easily sprayed into place. Moreover, the loss of pesticides is high and the decomposition of pesticides is rapid at high temperatures. Therefore, the efficacy of spraying is reduced at this time. In addition, when the temperature is too high, spraying, due to the volatile nature of the drug, it is easy to cause poisoning to operators.
Second, avoid dew when the spray is not dry
Some growers like to spray when they are cool in the morning. However, due to the fact that the dew had not dried in the morning, the dilution of the drug by dew after spraying would reduce the efficacy, and the pests had not yet come out of action. Therefore, the insecticidal effect was not satisfactory.
Third, bogey liquid concentration is too high
In order to save time, the fruit growers spray less water in the high temperature season in summer and the concentration of the liquid is too high. After the liquid sprays on the leaves of the crop, the water will evaporate quickly and cause injury.
Fourth, bogey without protection spray
In the summer, when spraying, it is cool, some farmers do not take any protective measures, and sometimes even “bare shirtsâ€, which can easily cause the skin to absorb pesticides and poisoning.
Tips: For the above issues, it is recommended that the fruit growers spray in the summer. First, they should choose cloudy or sunny days from 8 to 10 am (after the dew is dry), and from 5 to 7 pm (before and after the sundown), spraying the insects when the pests are active; Second, the amount of water should be appropriately increased to ensure that the dosage per mu is above 45 kg. Third, when spraying, protective clothing and masks must be worn. After spraying, the body should be cleaned in time to prevent pesticide poisoning.
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