Snails are common harmful mollusks in vegetable fields and often endanger vegetables such as cabbage, radish, and lettuce. According to the living habits of snails, the following prevention measures can be taken according to local conditions: 1. Control the number of weeds in the field before planting, and plough the sun. Clean up the places where the snails can be found, such as rocks and debris. 2. Physical isolation of isolation trenches around the vegetable field or lime, grass ash to prevent snails from entering the vegetable field. 3. Chemical control During the initial stage of flooding, 2% of the exterminators (0.4-0.5 kilograms per mu), 6% of Miranda Spirulina granules (0.5-0.6 kilograms per acre), and 8% of chlorhexidine granules were selected. 0.8-1 kg per acre), evenly spread in the dish. In case of heavy rain particles can be easily scattered, need to re-application.
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