Methods and techniques for identifying inferior pesticides
The peak of the purchase of pesticides is coming, how many farmers buy pesticides friends have asked question was, how to avoid being taken in, because of substandard pesticide products, especially counterfeit pesticide products, often causing serious damage to agricultural production. Through the author's inquiry about the relevant agricultural people, the quality of the pesticide can be easily identified through the following aspects.
Identify true and false from the appearance of pesticide labels and packaging
1. Label: When registering pesticides, there are strict requirements for pesticide labels. The pesticide label should indicate the product name, pesticide registration number, product standard number, production license number or production approval certificate number, and the active ingredients of the pesticide. Content, weight, product performance, toxicity, use, method of use, date of manufacture, expiration date, precautions, name of the manufacturer, address, postal code, and pesticides should also be included in the sub-package unit. In the absence of any of the above, questions about product quality should be questioned.
2. Name: The product name on the label should be a Chinese common name or a legal product name.
3. Specifications: The product specifications of the same metering should be the same, not large or small, the inner and outer packaging should be complete, and there should be no damage.
4, the factory certificate.
5. Bulk pesticide products cannot be purchased.
Identify the pros and cons from the form of pesticide substances
1, powder, wettable powder should be loose powder, no clumps. If there is agglomeration or more graininess, it means that it has been damp, not only the fineness of the product is not up to the requirement, but also the content of the active ingredient of the term may change. If the color of the product is uneven, it may indicate a quality problem.
2. The emulsifiable concentrate should be a homogeneous liquid with no precipitation or suspended matter. If stratification and turbidity occur, or if the emulsion diluted with water is not uniform or has oil slick or sediment, it may indicate that the quality of the product may be problematic.
3. Suspending agent and suspoemulsion should be a flowable suspension, no agglomeration, long-term storage, there may be a small amount of stratification, but it should be restored to its original state after shaking. If the product does not return to its original shape or remains agglomerated after shaking, there is a quality problem with the product.
4. If the tablet for fumigation is in powder form, it indicates that it has failed.
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