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Detailed explanation of key licorice cultivation techniques, master the essentials of growing it

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1. Seed treatment Licorice seeds mature from July to August and should be harvested in time. The seeds are hard and their seed coats do not easily absorb water; when sown directly in soil, the germination rate is only about 30%. Before sowing, treat them with water at 60-100°C for 30 seconds; then soak them in warm water for 1 day and night, and the germination rate can reach 50%. If treated with concentrated sulfuric acid, remove them immediately and rinse them in clean water once the seed coat turns black, then soak them in warm water, and sow when the seeds swell; the germination rate can reach more than 90%. 2. Planting methods ① Direct sowing in the field The land preparation conditions are the same as for field crops, and sowing can be done in spring

1. Seed treatment Licorice seeds mature from July to August and should be harvested in time. The seeds are hard and their seed coats do not easily absorb water; when sown directly in soil, the germination rate is only about 30%. Before sowing, treat them with water at 60-100°C for 30 seconds; then soak them in warm water for 1 day and night, and the germination rate can reach 50%. If treated with concentrated sulfuric acid, remove them immediately and rinse them in clean water once the seed coat turns black, then soak them in warm water, and sow when the seeds swell; the germination rate can reach more than 90%.

2. Planting methods ① Direct sowing in the field The land preparation conditions are the same as for field crops, and sowing can be done in spring or summer. The sowing rate is about 300-500 grams per mu, the sowing depth is 3-4 cm, the row spacing is 50-60 cm, and the seedling stand per mu should reach 7,000-10,000 plants. ② Seedling raising and transplanting Drill sowing or broadcasting in small beds can be used, with increased density, and once strong one-year-old seedlings are grown, they can be transplanted; either spring planting or autumn planting is acceptable. When planting, a plow can be used to open furrows, with a row spacing of 60 cm and a plant spacing of 15-20 cm, planting about 7,000 plants per mu; the planting depth should preferably be level with the root crown and the ground surface, and water after planting. Seedlings generally emerge 5-7 days after sowing, so there should be good soil moisture before sowing, and no irrigation is needed after sowing to avoid crusting. ③ Planting rootstocks Take freshly dug licorice rootstocks, select those with buds and cut them into 15-20 cm lengths, open furrows with a walking plow, place the mother roots vertically or at an angle in the furrows, cover with 10 cm of soil; cultivation can be done in either spring or autumn, and water after planting.

3. Field management Licorice management is mainly about preserving soil moisture. In the 1st year, ensure the growth of the seedlings; after 2 years, the root system is deeply rooted, and a little soil moisture is enough, and normal growth can generally be ensured by using snowmelt alone. Harvest in the 3rd year, taking care to retain the mother roots. After digging, level the land well and irrigate properly to promote the growth of new shoots.

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