In agricultural production, in order to weed, kill insects and prevent diseases, the most important thing is to spray pesticides. We know that pesticides are generally not sprayed directly, but diluted with water, so how to properly dilute pesticides, let us introduce the correct method of operation.
Human back sprayer spraying pesticide dilution
1. Misunderstanding
After many people buy the pesticide, first fill the sprayer, then pour the pesticide into the sprayer, then stir it with the branches, then tighten the sprayer cover, and then shake it to fight the medicine (whether it is powder, cream or other dosage forms). This is the case. I believe that many of my friends have done this. Even some drugs that use drugs are used to take similar steps.
On the surface, the above practices do mix the pesticides and water together, and spray them on the crops. It feels that we should be able to control weeds or pests, but in fact, there may be a good effect, a bad effect, or In the same farmland, some have phytotoxicity, while others have a very general effect. This is caused by the fact that the pesticide is not diluted properly. The main reason is that when the pesticide is directly poured into the sprayer, the pesticide is not completely melted, and there may be a case where the concentration is high and the concentration is low.
2, the correct approach
First, pour the purchased pesticide preparation into a small container. For example, when you need to use the well water to fight the medicine, you will carry a small bucket for the well water. This small barrel can be used as the first dilution tool. After pouring the small container into the water and pesticide, mix well, then pour it into a large container, then add water to the large container (human back sprayer or medicine cart, etc.) and mix well again.
After the second dilution, the pesticide has been uniformly mixed in the container, the concentration of the liquid is basically the same, and the effect of the pesticide should be achieved. The same farmland will not appear, and one piece has phytotoxicity, and one piece has no effect.
The above is about the correct operation steps of pesticide spraying. The pesticide can effectively ensure the high yield and high quality of the crop. Therefore, we must do the dilution work to avoid the phenomenon of phytotoxicity.
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