With the continuous improvement of the people's living standards, the issue of vegetable safety and quality has also been increasingly concerned by the masses of consumers. The demand for vegetables has shifted from quantity to quality, and higher-grade non-polluted vegetables and green vegetables are required. In the production of pollution-free vegetables, the control of pesticide residues is one of the keys to the safety and quality of vegetables. So, how to reduce pesticide residues in vegetables? The following measures can be adopted by the majority of farmers in the production process: 1. Limiting the scope of pesticide use Prohibit the use of highly toxic and high-residue chemical pesticides such as methamidophos, 223, 666, and carbofuran on vegetables. The use of biological pesticides and high-efficiency, low-toxicity, low-residue pesticides such as bt, oxymatrine, casuol, diluting, and cooking. 2. Scientifically choose the type and usage of pesticides Emulsion pesticides have more residues when they are sprayed, and powders, liquids, granules, etc. can be used for dusting, dressing or spreading. Greenhouse vegetables can be treated with aerosol or powder to prevent pests. 3. Control of dosage and frequency of pesticides The greater the application amount and the higher the concentration, the greater the number of times. The shorter the interval between two applications, the higher the residue. When farmers apply pesticides, they must strictly follow the dosage and frequency specified in the specification, and do not increase the dosage and times of application arbitrarily. 4. The application of low-volume and high-pressure spray technology using this technology can not only reduce the amount of pesticide residues on vegetables, but also have better control efficiency, ergonomics, and pesticide use than conventional spray. 5. Strictly abide by safety intervals. Stop using chemical pesticides for a certain period of time before harvesting. Vegetables that have not reached the safety interval of pesticides must not be put on the market.
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