Secondary dilution method is mainly used for dilution (formulation) that minimal dosage of pesticides, such pesticides per acre even as low as about 1 gram, only through the second dilution (formulation) to an agent with a uniform, easy to use.
The specific method is to prepare the mother liquor first, and prepare a container containing a small amount of water in advance, such as a can, a small bowl, a convenient teacup, etc., and pour the medicament into it, and the viscous agent such as a suspending agent should be adhered to the small package. The medicinal agent is washed and gently agitated to fully disperse and dissolve the medicinal agent in the container until it is completely dispersed and dissolved.
Second dilution (preparation): The prepared mother liquor is divided into several parts according to the dosage per acre and the amount of liquid sprayed. Generally, one batch of water (about 15 kg) per worker of the type 16 sprayer is used. In a sprayer with half a bucket of water, stir well, then add water to the full bucket and stir again, so that the liquid is evenly mixed.
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