A: Mixtures of two or more pesticides are used. Sometimes the order of compounding affects the efficacy of the drug. The order of mixing the foliar fertilizer and the pesticide is usually: the foliar fertilizer, the wettable powder, the suspension agent, the water agent, and the emulsifiable concentrate are added one by one, and each type is added, and the mixture is fully stirred and mixed, and then the next one is added.
After adding water first and then adding drugs for secondary dilution and compounding, the pesticide manufacturer recommends adding half a bucket of water to the sprayer first and then adding the first pesticide and then mixing. Then, the remaining pesticide is diluted with a plastic bottle, diluted, poured into a sprayer, mixed, and so on.
In many cases, farmers are first equipped with medicines at home and then transported to the fields or greenhouses for spraying. When there are many medicines, they need to be stored for several hours before they are used. Although the liquid did not respond at the time of dispensing, it does not mean that it can be left undisturbed for a long time. The slow reaction will gradually reduce the efficacy.
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