Pollution-free vegetable production should use high-efficiency, low-toxicity, low-residue pesticides for pest control, and the amount of pesticide residues in vegetables should be controlled within a certain range after use. Attention should be paid to the following issues:
1. The correct choice of agents. According to the types of pests and diseases, and the nature of pesticides, the pesticides should be selected such as low-toxicity, low-residue pesticides such as carbendazim, thiophanate-methyl, zesin-zinc, mancozeb, chlorothalonil, beta-aluminum, triadimefon, and trehalose. Don't use counterfeit pesticides that have not been registered and have no production license.
2. It is forbidden to use highly toxic and high residue pesticides.
3. Use strictly according to pesticide interval. The vast majority of pesticide species have a period of use, and they must be used strictly in accordance with the instructions. Pesticides that are allowed to be used in limited quantities in vegetable production are subject to limited use.
4. Formulate a comprehensive plan for chemical control based on the local occurrence of pests and diseases. Do not cure diseases where multiple pests and diseases can be treated. Do not choose to cure diseases. Prevent and treat multiple effects at the same time. Reduce the use of chemical pesticides.
5. Use pesticides alternately. Do not use a single pesticide for a long time to avoid plant resistance to pesticides.
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