Best time for pesticide spraying in summer

In the summer, the temperature is relatively high. Some pesticides are suitable for playing at noon, while others are not. Therefore, pesticide spraying should be chosen for the right time. Many farmers' friends know that spraying foliar fertilizer should avoid the evaporation of foliar fertilizer in the sun at noon in the midday sun, affecting the absorption of the leaves and avoiding the noon time when the sun is too strong, but they do not know that it should be sprayed when spraying pesticides. The same as the foliar fertilizer.

 

Many farmers like to spray pesticides when the temperature is high at noon. It is considered that the high temperature at noon and the easy killing of pests are actually unscientific. You must know that the temperature is high at noon but the light is strong.

 

The pests generally hide in the back of the plant and the stems and fruits of the plants; the midday liquid is easy to decompose and volatilize, so the insecticidal effect is poor. In addition, the high temperature at noon, the liquid is volatile, and it is easy to cause poisoning. The best spraying time for crops, whether in food, vegetables or fruits, the best time is from 8:00 am to 10:00 am. At this time, because the dew is dry, the temperature is not too high, it is the sunrise pests feeding and living the most. When it is strong, the medication will not be dilute with the liquid, and the liquid will not be decomposed and the effect will be reduced because of the high temperature. Instead, the sunrise pest will increase the chance of taking medicine and taking medicine; or in the afternoon. Before and after 5 o'clock, after 5 pm, the sun is westward, the light is getting weaker, the temperature is decreasing, and the night-borne pests are about to start activities. At this time, pesticides are sprayed, and the pests come out to eat at dusk and at night, which can effectively Kill night-time pests.

 

Therefore, farmers should choose time to spray pesticides in summer and autumn. They should not rely on subjective imagination and past experience to give full play to the maximum insecticidal effect of pesticides and avoid pesticide poisoning.

 

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