1. Light trapping: Adult insects can be trapped and trapped to kill adult insects and reduce field eggs. 2. Seed treatment: Before sowing, 40% methylisothiphos EC, or 40% phoxim EC and 70% imidacloprid wettable powder should be seeded at 0.3% of the seed amount and dried after sowing. 3. Toxic soil: Before sowing, use 2% methyl isofluosal powder per acre or 5% trichlorfon powder 2.5-3 kg fine soil 30 kg, or use 50% phoxim EC 250-300 ml per acre Water 3-5 kilograms, spraying with 25-30 kilograms of fine sand on the spray, stirring while spraying, fully mix and spread in the ditch.
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