Licorice High-yielding Cultivation Technology Key Points and Benefit Analysis 1. Soil selection: choose the soil with deep layer, good drainage, high topography, sandy soil and sandy loam with high calcium content, soil alkalinity, pH value between 7-8.5. Beaches and barren slopes can be cultivated. Low-lying, soil-heavy plots cannot be planted. 2. Variety selection: Choose a new type of "Liquorice Root" that is suitable for artificial planting. The variety has the following characteristics: 1 Adaptability: drought resistance, cold resistance, salt and alkali resistance, heat resistance, resistance to barrenness, temperature range -45- At 43 degrees, it was cultivated in areas with severe water shortage or drought. No atrophy or death was found. It can adapt to weakly alkaline calcareous soil and it is suitable for nesting with young fruit. 2 Short growth cycle: transplanting with seedlings, seedlings growing for 3-4 months, growing 8-10 months after planting can be harvested, 3 growing fast: due to its seeding lying, combined with human cultivation techniques, on the surface of 30 cm Lateral growth, light and water and other natural conditions, the absorption rate is high, so the growth rate is fast, 30 days after sowing, is now 3 - 4 true leaves, 60 days plant height 30 cm, root length up to 20 cm, diameter 0.5 cm. 4 Simple harvesting and processing: All machine operations can be carried out with less labor, and 80% of natural dry operations can be sold. 5 High yield and good quality: More than 500 kilograms of Maocao in the middle of production, 800 kilograms of high-yield workers, red skin, less bifurcation, evenness, reaching the national pharmacopoeia standards, and meeting the requirements of building a GAP production base for germplasm. (For details, please refer to the "Shandong Science and Technology Information" published in 2004, No. 1444, 4th Edition, "Rural Pepsi", No. 20, 2004, No. 20, 31 pages). 3. Sowing and raising seedlings: The nursery land should be selected where the terrain is relatively flat and where there is water. One-kilometer (667 square meters) of land can be planted at a point (67 square meters) for growing seedlings, and one kilogram can be planted. When the temperature is stable above 18 degrees, it can be nursed throughout the year. After fertilizing and ploughing on the selected land, the shallow ditch with a spacing of 25 cm and a depth of 2 cm will be sown in the ditch evenly, covering the soil with 1 cm, slightly suppressing it, and releasing it for 5-7 days. . Seedlings grow for 3–4 months and roots reach 35–40 cm, reaching the transplanting standard. 4. Cultivation techniques: In the selected land, Mushi 2000 kg organic fertilizer, 50 kg of superphosphate, 20 kg of effective nitrogen fertilizer, 10 kg of potassium fertilizer; After ploughing evenly, the depth is 25--30 cm. In the ditch of centimeter, cut the stems above the head of licorice seedlings, remove the lateral roots, place the seedling roots in the ditch by the spacing of 10 cm, fill the soil and compact the watering, and plant about 20,000 seedlings per mu, 7-10. Days of emergence, conventional management, growth 8-10 months can be harvested, but also can grow two years of harvest. 5. Harvesting and processing: In the late autumn or early spring, the dried stems are cut off, and the tractor is used to plow with a ploughshare. The depth of the plough is about 30 centimeters. Each time the plough is ploughed, the artificial stalks are ploughed out. Licorice roots are cleared out and the second line is plowed. A tractor with 6 workers, generally can harvest about 8 acres per day, the root of the damage rate than manual harvesting to much less, to meet the requirements of the harvest. A few days after the reclaimed licorice root is air-dried, the reed head and lateral roots are cut into bundles and sold. 6. Output and Benefits: The annual output of licorice grows 400-600 kilograms per year, and the growth rate of two years per mu can reach more than 1,000 kilograms. Currently, the market price of licorice is 8-12 yuan per kilogram, and the income per mu is 3000- ---7000 yuan. Mu investment: 186 yuan for seed, 150 yuan for fertilizer (basic fertilizer + topdressing), 10 yuan for pesticides, 50 yuan for arable land (twice), 60 yuan for labor, and a total investment of 450 yuan. Mu pure profit 2600-6000 yuan. If intercropping is adopted, the overall economic benefits will be higher. Shandong Institute of Chinese Traditional Medicine, Heze City, Li Hongjun Tel: 0530 - 5100898 Mobile Zip: 274000 E-mail:
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