How to make secondary dilution of pesticides

The second dilution of pesticides is also known as the two-step preparation method and is one of the methods for pesticide formulation. The pesticide is prepared by two dilutions, which can make some non-soluble WPs or small amounts of pesticides get more fully dissolved and more evenly distributed, which makes the measurement more accurate, which not only improves the drug effect, but also reduces the occurrence of phytotoxicity. It also reduces the risk of exposure to the original drug poisoning. The pesticide can be diluted twice by the following methods.

A. Select a medical saline bottle with a capacity scale, place the medicine in the bottle, inject a proper amount of water, prepare a mother liquid, and measure the dosage cup.

B. When using a knapsack sprayer, it can also be directly diluted in the barrel. First add a small amount of water to the sprayer, add a little liquid, shake well, then make up the water and mix well.

C. When using a motorized sprayer for large-area application, a larger container, such as a barrel or a cylinder, may be used for primary dilution of the mother liquor. In the second dilution, it can be placed in the sprayer barrel for mixing and mixing.

Note: In order to ensure the dilution quality of the liquid, the water consumption of the mother liquor should be carefully calculated and carefully measured. It should not be added or used at will, otherwise it will directly affect the control effect.

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