What is the application technology of pesticides?

Release time:

2023-07-25

Scientific pesticide application technology is the guarantee of prevention and control effectiveness. Only by strictly following the operating procedures to use pesticides can the ideal prevention and control effect be achieved. One should choose suitable equipment, such as choosing a nozzle with smaller droplets; Spraying insecticides can be done with slightly larger nozzles; Fan shaped nozzles should be used for spraying herbicides. Secondly, spraying depends on the weather, and spraying is not allowed when it is windy or rainy; No spraying before rain; Do not spray with dew; Do not spray under hot and scorching sun. Some farmers believe that the higher the temperature, the better the insecticidal effect of pesticides, but in fact, it is not. In summer, when spraying under high temperature and strong light, the vast majority of pests stop surface activity and hide in a cool and backlit area, making it difficult to spray the pesticide in place. Moreover, under high temperatures, pesticide volatilization loss is large, and the decomposition of pesticide properties is fast. Therefore, at this time, the spraying effect actually decreases. At high temperatures, the pesticide has strong volatility and can enter the human body through respiration and skin pores, which can easily lead to operator poisoning. Try to work under clear and windless conditions, usually from 8 to 10 am (after the dew dries) and from 5 to 7 pm (before and after sunset), and choose to spray during periods of high pest activity. Thirdly, corresponding application techniques should be adopted according to different prevention and control targets. For example, when preventing and controlling diseases, as the pathogen is usually located on the back of crop leaves, it is necessary to spray evenly on the back of the leaves when applying medicine; Fruit tree aphids generally occur on tender shoots; Hawthorn leaf mites are mostly found on the back of old leaves in the inner chamber of fruit trees, and spraying requires targeted treatment. Fourth, pay attention to surrounding crops to avoid drug damage.

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