â— Growing habits of licorice, alias sweet grass root, red licorice, grass. For 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 to 200 meters. The soil is mostly sandy soil. Soil pH is preferably neutral or slightly alkaline. There is an ecological environment with plenty of sunshine and a large temperature difference between day and night. China's northwest, north, and northeast regions are suitable for planting licorice. â— Field management of licorice 1. Dingling sowing spacing is 30 cm, then the spacing of the plants can be maintained at 18.5 cm 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 viscosity or salt is 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 weeding is generally carried out in the year of emergence, especially in the seedling stage to timely weeding, from the second year since the beginning of licorice root growth, weeds are difficult to compete with it, no longer need to cultivator weeding. 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 Pests and Their Prevention and Control Prone to powdery mildew and rust in rainy seasons. Red spiders are prone to occur in the dry season and can be sprayed with 40% Dimethoate EC 1000-1500 times. â— Harvesting and processing of licorice root depth, must be deep digging, can not be planed or injure the root bark, remove the residual stems and dirt after digging, avoid washing with water, split the main root and lateral root fresh, remove the reed head, hairs, branches Dry to a half dry, bundle into a small handle, and then dry to dry; can also be excavated in the spring before licorice stems and leaves excavation, but the quality of excavation in the fall is better.