A qualified pesticide variety is marked with â€œthree certificatesâ€ on its packaging appearance, namely pesticide registration certificate, issued by the agricultural drug inspection department; pesticide production permit (production license number), issued by the chemical department; pesticide standard number (qualified Certificate), issued by the technical supervision department. Pesticides that are not marked with â€œthree certificatesâ€ may be regarded as unqualified pesticides or counterfeit pesticides.
In addition to the three certificates, domestic pesticides are printed with 6-8 Arabic numerals on the label. This is the batch number of the pesticide. The 1st and 2nd digits of the pesticide batch number indicate the year of production; the 3rd and 4th digits indicate the month of production; the 5th and 6th digits indicate the date of production; the 7th and 8th digits indicate that the pesticide is valid for several years. For example, the batch number is 960723-02, indicating that the pesticides were produced on July 23, 1996 and are valid for two years. Some pesticides only have 6 digits on the label, and they are directly marked with â€œvalidity period Ã— yearâ€, and some have not indicated the validity period, indicating that the validity period is not strict.
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