Six pesticides sprayed in summer

In the summer heat season, it is the peak season of various crop pests such as rice, corn, and vegetables. In order to reduce losses, it is unavoidable to spray chemical pesticides to kill insects. Some farmers mistakenly believe that when the temperature is high, the drug is applied, the drug is the strongest, and the effect is the best. Therefore, it is often sprayed before and after noon. However, there are many taboos for high-temperature application. Improper methods will not only affect the effect of pesticide application, but they will also cause poisoning. Practice has proved that the spraying of chemical pesticides in high temperature seasons should improve the control effect, and at the same time ensure the safety of pesticide application personnel.

Avoid spraying when the temperature is too high

Before and after noon, when the temperature is high and the light is strong, chemical pesticides are sprayed. The first is that the chemicals are volatile and can easily cause pesticide poisoning. Second, most of the pests are hiding in the cool backlight and the spraying is not easy to hit the “target”. At the same time, the rapid decomposition of pesticides, volatile loss, pest control effect is not ideal. Therefore, the correct method is to avoid spraying at high temperatures and intense light at noon.

Avoid spraying pesticide when dew water is dry

Some farmers are afraid of heat and like to spray when they are cool in the early morning or evening. However, if there is a lot of dew on the plants at this time, the pests are not yet out of action and the medicines are not easy to hit on the “target”. At the same time when spraying, the liquid medicine will be diluted with dew, resulting in a significant drop in concentration, and the insecticidal effect is also unsatisfactory. Therefore, the correct method is to choose a rainy cloudy spray. If it is sunny, you should rush to spray when there is no dew or after the sunset and before the sunset.

Avoid spraying without protection

During the hot season, some farmers sprayed only cool, disregarding safety. They did not wear Protective Clothing, do not wear masks, gloves, or other protective measures. Sometimes they even took off their coats and “struck barefoot”, thinking that the skin was slightly stained. There is no problem with pesticides, but I do not know that some pesticides can not only enter the human body through the mouth, nose and other digestive tract, respiratory tract, but also can be absorbed through human skin, leading to pesticide poisoning. Therefore, the more it is applied at high temperature, the more attention should be paid to body protection and the contact between pesticide and skin should be avoided as much as possible.

Avoid arbitrarily increasing the liquid concentration

In order to increase ergonomics, or for the sake of enhancing control effects, some farmers often increase the amount of pesticides used, reduce the dilution rate of pesticides, and increase the concentration of the liquid at will, even in the midsummer high temperature season. Due to the rapid volatilization of water at high temperatures in the hot sun, if the concentration of pesticides sprayed is too high, it can easily cause damage to the leaves of plants. Therefore, the application of high temperature season, but also pay attention to the amount of water, to ensure that the dilution rate, the amount of liquid per acre must be more than 45 kg.

Do not overfill the liquid in the barrel

Some farmers prefer to fill the sprayer barrel with liquid when spraying. This is not only unfavorable for spraying, but more importantly, if the lid of the sprayer is not closed tightly, the spraying personnel will splash on the body when walking in the field, and it is easy to cause poisoning in the hot season. The correct approach is that the upper liquid surface of the liquid in the barrel should be below the scale mark when dispensing, and the closed circle of the lid must be intact to ensure that the lid is closed tightly.

Avoid drinking after spraying

When farmers spray pesticides at high temperatures, due to inadequate protective measures, the body is inevitably soiled with pesticides. Some did not repeatedly wash after spraying, put down the medicine box and then took a drink on the table. Due to the accelerated blood circulation after drinking, it is more prone to symptoms of poisoning. The correct approach is to clean the body in time after spraying, and at the same time prohibit drinking.

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