Planting techniques of Radix Glehniae, a traditional Chinese medicine

Plant characteristics:

Radix Pseudostellariae is a herbaceous plant, which can be divided into small leaves, small leaves, no seeds, low yield, plant height of nearly 1 foot, leaves pinnately divided, compound umbels, born at the top of stems and branches, and small, white flowers. Schizocarp globose or ellipsoid, pentagonal angled, brown tomentose when mature. The main root is slender, cylindrical, about 1 foot long, with few lateral roots, yellowish brown skin, and roots used in medicine.

Growth habits: strong drought resistance, like warm and sunny environment, cold tolerance and can survive the winter in the field, afraid of stagnant water, lax requirements on the soil, fertile sandy soil is the best.

Planting method:

Reproduce with seeds, divided into autumn sowing and spring sowing. 8-10 kg seeds per mu for autumn sowing and 40-50 kg per mu for spring sowing (sand storage). Apply sufficient fertilizer before freezing autumn sowing, deep ploughing, land preparation, cuddle flat, according to row spacing of 5-6 inches, long half-inch deep and shallow ditch, evenly remove the seeds into the ditch, cover the soil strictly, cuddle flat and water. Take a walk in the water before freezing. For spring sowing, newly harvested seeds must be treated with winterization before freezing in the same year. The method is to dig a hole of about a foot in the shade, and the length and width depends on the number of seeds. Mix the seeds evenly according to the 1:3 sand, put them into the pit, water them, cover the surface with soil 5-10 cm, dig them out from Qingming to Grain Rain in the second year, sift the clay, sow, sow and sow the same as autumn, and keep the ground moist before emergence.

Field management:

When the seedling height is 1 inch, set the seedling according to 1 inch, do not water as far as possible if it is not too dry, pay attention to the prevention and control of diseases and insect pests.

Harvest processing:

From the Autumn Equinox to the Cold dew Festival, the leaves are ploughed and harvested when orange. Wash the clay from the planed sand ginseng, boil it in boiling water until it is easy to peel off, peel and dry for medicine. The average yield of dry goods per mu is 450-500 kg.