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Licorice, alias sweet grass root, red licorice, grass, for the legumes. Root and rhizome medicine. There are detoxification, lungs and cough, spleen Qi and reconcile the role of various drugs. Licorice is mostly grown in the temperate regions of the north, with plains, mountains or river valleys at an elevation of 0-200 meters. The soil is mostly sandy soil. Soil pH is preferably neutral or slightly alkaline. There is an ecological environment with plenty of light and a large temperature difference between day and night. China's northwest, north, and northeast regions are suitable for planting licorice.
Licorice Field Management
1. If seedlings are planted at a distance of 30 cm, the spacing of the plants at the seedlings can be maintained at 18.5 to 20 cm.
2. Irrigation Glycyrrhiza should always keep the soil moist before and after emergence to facilitate seedling and seedling growth. The specific irrigation should be based on the type of soil and the degree of salinity: sand without alkali or slightly saline soil, can be watered after sowing; the soil is heavy or saline and heavy, should be watered before sowing, the key to cultivate licorice The seedlings are preserved, and generally the plants are no longer watered after they grow.
3. Cultivated yarrow is usually carried out in the year when it emerges. Especially in the seedling stage, it is necessary to rush the grass in time. Since the second year, the licorice root has started to grow, and the weeds are difficult to compete with. We no longer need cultivating grasses.
4. Apply enough base fertilizer before sowing to apply fertilizer. In the year of sowing, phosphorus fertilizers can be applied in the early spring, and organic fertilizers can be applied before each mu in the winter. Licorice root has root nodules and nitrogen fixation. Generally no nitrogen fertilizer is applied.
5. Diseases and Insect Pest Control Powdery mildew and rust are prone to occur in the rainy season. Red spiders are prone to occur in the dry season and can be sprayed with 40% dimethoate EC 1000-1500 times.
Harvesting and processing
The licorice root is deep and must be dig deep. It must not be planed or damaged. After digging, the stems and soil should be removed. Do not wash with water. Fresh main roots and lateral roots should be removed. Remove the reeds, hairs and branches, and dry them until they are dry. , Bundle small, and then dry to dry; can also be excavated in the spring before the excavation of licorice stems and leaves, but the quality of excavation in the fall is better.
Licorice cultivation technology
Growth habit