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1. Apply pesticide when young nymphs are in full bloom, add about 60 liters of water per acre and spray evenly. 2. Shake this product well before use and use the secondary dilution method to maximize the efficacy. Do not apply pesticides on windy days or when rain is expected within an hour. 3. The safe interval of this product on tea trees is 10 days, and it can be used up to once per season.