Pesticides concentration representation of pesticides

In the use of the drug, it is generally necessary to add an appropriate amount of water or other diluent.

There are three commonly used notations for the concentration of pesticides used:

Percent concentration. Expressed in percent sign (%), ie 100 parts of the drug solution, powder or oil containing the original pesticide

The number of copies.

Multiple method. It is expressed in multiples, that is, the most common multiple of the diluent (water or filling brake) added to the drug solution or powder.

Parts per million. Expressed in ppm, that is, 100,000 parts of liquid medicine or powder. The number of parts containing the original pesticide.

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