Safety precautions for vegetables

First, strictly control the concentration of drug concentration The amount of drug solution must be appropriate, if the super concentration, over dosage, although it can kill the disease, but easy to produce phytotoxicity, prone to human and animal poisoning; if the drug concentration is low, the drug is small, then Poor efficacy, pests will also produce resistance.

Second, strictly according to the safety interval of drug use pesticides should be based on the length of the last medication residual period, determine the next medication time. The general pesticide residual period is 7-10 days. Do not use the same pesticide again in the residual period to increase the cost, increase the probability of pests and the resistance of pests, or use pesticides for a long period of time after the residual period expires. Otherwise, a large number of pests will remain in the field. For the leafy vegetables to be harvested, the remaining pests in the field will not be a disaster before the vegetables are sold. If they do not use drugs, they can be used as disasters. They must be used for a short period of time, low-toxicity pesticides must be sprayed and sprayed, and they must be allowed to pass after the residual period. sell.

3. It is forbidden to use highly toxic and high-toxic pesticides to use highly toxic and high-toxic residual pesticides. Although they can kill pests in a short period of time and have quick results, they also kill the natural enemies of pests and increase the content of harmful substances in vegetables. After eating, it can easily cause human and animal poisoning. Therefore, it is prohibited to use highly toxic, high-toxicity pesticides on vegetables, especially leafy vegetables, and to promote the use of high-efficiency, low-toxicity, low-residue pesticides, and biological pesticides.

Fourth, it is forbidden to fight drugs at noon during the summer and autumn high season. The fight against drugs can easily cause drug damage and poisoning, especially at noon.

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