Licorice growing environment
The producing area of Gansu grassland is a continental arid and semi-arid desert zone, which is characterized by drought, less rainfall, strong light and large temperature difference. Licorice grows in this climate for a long time, which makes it resistant to cold and heat, drought, waterlogging and light, and especially likes calcareous soil. It can grow in arid areas of Northeast, Northwest and North China.
The seed has the phenomenon of hard seed, the hard seed rate is between 70% and 90%, and the seed germinates well at-5% and 20 ℃, generally more than 50%, and the seed life is 1-2 years. The fourth year of seed direct seeding can be dug, the rhizome propagation can be dug in 2-3 years, and the planting time is 4-5 years.
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Market Analysis and planting techniques of licorice
1. Market analysis Glycyrrhiza uralensis is a perennial herb of Leguminosae, which is used in medicine with roots and rhizomes. Licorice is the king of traditional Chinese medicine and has a wide range of uses. the underground part of licorice has the functions of clearing heat and detoxification, moistening the lung and relieving cough, relieving thirst and expectoration and so on. Most prescriptions of traditional Chinese medicine are inseparable from licorice, commonly known as "ten prescriptions and nine herbs". The aboveground part of Glycyrrhiza uralensis has high content of crude protein and crude fat and low content of crude fiber. Stems and leaves contain a variety of trace elements needed by animals. The feeding effect is similar to that of alfalfa and can be used as an excellent legume forage. In recent years, the price of licorice has climbed all the way.
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What are the characteristics of the ecological environment in which licorice grows?
Licorice is widely distributed in the warm temperate and cold temperate continental monsoon climate regions of arid and semi-arid regions in northern China. The annual average temperature for growth is between 3-10 ℃, and the altitude is in the range of 250-1400m. Licorice is an indicator plant of calcareous soil in dry areas of China, and its requirements on soil quality are not too strict. No matter sandy soil, light soil, heavy soil and clay can grow, and the sand-covered loam with sand in the upper layer grows best. Licorice has strong cold and drought resistance, and the absolute lowest temperature can reach-47 ℃.
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