Spraying pesticides in summer

When the temperature is too high, some farmers think that the higher the temperature, the better the insecticidal effect of spraying pesticides, but it is not. Spraying at high temperature and strong light, because most of the pests stop moving, hiding in the cool backlight, the medicine is not easy to spray in place, and the pesticide volatile loss is high at high temperature, and the drug decomposition is fast, so the spray effect is reduced. In addition, when the temperature is too high, the drug is sprayed, and the agent is highly toxic due to its strong volatility.

Two bogey when the dew is not dry, some farmers like to spray when the morning is cool. However, because the morning dew is not dry, the drug is diluted by dew after spraying, which will reduce the efficacy, and at this time the pest has not come out, so the insecticidal effect is not ideal.

The concentration of the three bogey liquids is too high. Many farmers are trying to save trouble. In the hot summer season, the spraying of water is less, the concentration of the liquid is too high, and after the liquid is sprayed on the foliage of the crop, it is easy to cause phytotoxicity due to the rapid evaporation of water.

Four bogey do not add protective spray Some farmers in the summer spray the picture is cool, do not take any protective measures, and sometimes even "bare-chested", this can easily lead to skin absorption of pesticides and poisoning.

In response to the above problems, farmers should spray in the summer. First, they should choose cloudy or sunny days 8~10 am (after dew dry), 5~7 pm (before and after sunset), spray when the pests are active; second, they should be appropriate Increase the amount of water to ensure that the dosage of each acre is more than 45 kg; the third is to spray protective clothing, wear a mask, and timely clean the body after spraying to prevent pesticide poisoning.

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