What are the symptoms of improper use of pesticides in vegetables?

The use of pesticide products is an important method for vegetables to control diseases. However, if the pesticide is used improperly, it may cause a good reaction of vegetables. So, what are the improper performances of pesticides used in vegetables for disease prevention?
The Chinese pesticide net Xiaobian specifically explains the improper use of pesticides for you: not according to the pharmacological and pharmacological application of pesticides, arbitrarily shortening the interval of duration of use, arbitrarily increasing the dosage and blindly mixing the drugs; once the vegetable field is ill, it is desperate Spraying, sometimes only one disease occurs, and it is necessary to take several other agents to treat other diseases together; only pay attention to disease prevention, neglect the safety of pesticides on vegetable growth; the mood of onset medication and the implementation of pollution-free production standard medication The contradictions are contradictory and the abuse of pesticides.
Avoid improper use of pesticides and improve vegetable quality and yield.

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