条件筛选
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Licorice is best planted after autumn plowing; otherwise it affects seedling emergence and seedling survival.
1. Seed treatment: before sowing, treat the seeds with 60-100°C water for 30 seconds; then soak them in warm water for 1 day and night, and the germination rate can reach 50%. If concentrated sulfuric acid is used, remove the seeds immediately when the seed coat turns black and rinse them in clean water, then soak them in warm water; sow when the seeds swell, and the germination rate can reach more than 90%. 2. Planting metho...