Water Treatment Chemical Co., Ltd. , http://www.nsadditive.com
First, we must pay attention to whether the operators are legitimate and legal. The formal operators are familiar with the relevant knowledge. The purchase channels are formal and the quality is not guaranteed. It can correctly and in detail introduce the prevention and control of pests and diseases, their counterparts, their characteristics, the use of technology, and the appropriate period of prevention and control.
Second, we must pay attention to whether the pesticide packaging is qualified. The qualified pesticides are packed tightly, the contents of the labels are complete, and the “three certificates†are complete. The pesticide registration certificate, production approval permit and standard certificate number are clearly written.
Third, we must pay attention to the external quality of pesticides. There is no stratified precipitation of qualified pesticide emulsions. The powders are bulky and non-caking. The granules are evenly adhered well. The suspending agent is clear and thorough, and shakes quickly.
Fourth, we must pay attention to the date of production: the general pesticide is valid for two years, and the efficacy is lower than the effective period.
Fifth, we must pay attention to whether the price is appropriate. Some pesticide prices are obviously low, and the price difference of the same pesticide is half, which is obviously impossible. Therefore, beware of pesticides with insufficient pesticides or active ingredients.
In production practice, farmers' friends sometimes find that the pesticides used are not effective. This may be caused by the choice of pesticides or the purchase of counterfeit pesticides. How to buy pesticides? Here are five questions to be paid to farmers’ friends:
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