The dry shoots are aliased to Shanpo fan and Fanzi grass, which are 50-120 cm in height, and their tubers are used medicinally. The soil requirements are not strict. Generally, the soil can grow, and it is drought-tolerant and cold-resistant. It can grow all over the country.
The planting method is divided into autumn sowing and spring sowing, with a row spacing of 35 centimeters and a ditch of 2 centimeters. After spreading the seeds, the soil is reclaimed and flattened. Autumn seedlings did not emerge in the year and came out in the early spring of the second year. Spring seeding emerged 12-15 days after seed treatment. Seed treatment: After immersing in water for 2 days, mix it with a little sand, place it in the house, keep it moist for a long time, and then sow the seeds after germination, so that the seedlings emerge quickly and neatly.
Field management: After the seedlings are in full bloom, they will go to dense crowded seedlings and open the stalls. If there is bolting, they must be cut off to grow the roots.
Harvesting and processing: Shoot dry and grow for 2-3 years or harvest for many years. Dig out rhizomes at the end of autumn. Remove fibrous roots and dried them as herbs.
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