Glycyrrhiza alias sweet grass root, sweet licorice, sweet root, grass and so on. It is a perennial herb of the genus Glycyrrhizae, and its roots and rhizomes are used as medicine. Sweet, flat, with heat and detoxification, lungs talk, Spleen Qi, cough and phlegm, to reconcile the role of various drugs. For sore detoxification, cough, sore throat, weak spleen and stomach, qi deficiency blood, cold, stomach pain, limb pain, jaundice, periodontal disease embolism. In addition, light fruit licorice, coarse licorice, fruit licorice, round fruit licorice, thorn licorice, yellow licorice, Yunnan licorice is also used for licorice. Licorice plant height 40? 120 cm, cylindrical rhizome, multiplication, the main root is long and thick, cylindrical, brown red outer, internal yellow, sweet leaves, stems upright, lower lignification. Leaves alternate, odd-pinnate, leaflets 5-17, ovate-elliptic, 25 cm long, 2 cm wide, entire, with coats on both surfaces. Racemes axillary, butterfly-shaped, pale purple. Pods are flat and most converge into a ball. Seeds broadly elliptic or round, slightly flat, 2.7 to 4.3 mm long, 2.6 to 3.7 mm wide, and 1.8 to 2.3 mm thick. The surface is dark green, brownish green, brown or tan, smooth and slightly shiny. Grain weight 7 grams. Flowering period from June to July, fruiting period from July to September. The high yield cultivation techniques of licorice mainly include the following several points:
1, soil selection
Licorice roots developed, deep into the soil, should be dry, salt-resistant, fear of embarrassment, strong vitality. For cultivation of licorice, sandy soil with low groundwater level, good drainage condition, deep soil layer, PH value of 7?8, and convenient irrigation should be selected. The best way to turn the floor is to turn over the autumn and turn it over in the spring. However, it is necessary to ensure the soil moisture, break the rubbish and level the ground, otherwise it will affect the whole seedlings and strong seedlings. Infertile farmland can also be used to grow good licorice.
2, species selection and seed treatment
In our province, Ural licorice is generally selected as the dominant species. Before sowing, the seeds were ground with an electric rice mill and the seeds were soaked in hot water at 35 to 40°C for 3 to 4 hours. Or put the seeds in ceramic pots, add 1kg of seeds and add 30ml of concentrated sulfuric acid (80%) to the seeds, and immersed at 20°C for 7 hours. Rinse with plenty of water and dry them.
3, sowing
Licorice can be sowed in spring, summer and autumn. Spring sowing is often used in springtime lyrics, usually no later than mid-April. The growth period of the spring sowing was long, and the root body was deeply buried. In some places, drought occurs in spring and it is not easy to emerge after sowing or to maintain seedlings after emergence. Summer sowing should be carried out. Summer sowing should be planted before the onset of the rainy season, which is conducive to emergence and conservation. In recent years, some places are planted in the fall and winter seasons. After the seeds are sown, the seeds do not germinate and the soil freezes. When the soil temperature is appropriate in the second year, germination emerges. Because of the good soil moisture, the licorice sprouting rate is high. Before sowing, quality farmhouse manure is used for 4,000 kg per mu, and ammonium phosphate is 35 kg for each mu. Put the land into small pots and pour enough water before planting. Spread the seed evenly or drill sowing seeds with 10-15Kg per acre. Cover soil 2.5 to 3 centimeters, not too deep. 7 to 10 days after emergence.
4, transplanting
Use flat planting method. After the autumn leaves of licorice were yellow, the upper part of the harvest was made of cattle and sheep feed. Then turn the ground to 30 cm, dig a root length of 25 cm or more, smooth roots for transplanting materials. Cover soil and preserve it 5 cm. In the fall of the year or the spring of the second year. Plough the ditch, ditch depth 5 cm, spacing 33 cm, spacing 15 cm, the seedlings will be laid flat in the ditch cover soil. Or use a shovel to open a trench and transplant. 1.2-15 thousand plants per acre. After transplanting, the licorice grows quickly and can be harvested in autumn. Generally, the yield per mu is 500 to 700 Kg. With the best picking in the second year, the yield per mu can reach 1000Kg.
1, soil selection
Licorice roots developed, deep into the soil, should be dry, salt-resistant, fear of embarrassment, strong vitality. For cultivation of licorice, sandy soil with low groundwater level, good drainage condition, deep soil layer, PH value of 7?8, and convenient irrigation should be selected. The best way to turn the floor is to turn over the autumn and turn it over in the spring. However, it is necessary to ensure the soil moisture, break the rubbish and level the ground, otherwise it will affect the whole seedlings and strong seedlings. Infertile farmland can also be used to grow good licorice.
2, species selection and seed treatment
In our province, Ural licorice is generally selected as the dominant species. Before sowing, the seeds were ground with an electric rice mill and the seeds were soaked in hot water at 35 to 40°C for 3 to 4 hours. Or put the seeds in ceramic pots, add 1kg of seeds and add 30ml of concentrated sulfuric acid (80%) to the seeds, and immersed at 20°C for 7 hours. Rinse with plenty of water and dry them.
3, sowing
Licorice can be sowed in spring, summer and autumn. Spring sowing is often used in springtime lyrics, usually no later than mid-April. The growth period of the spring sowing was long, and the root body was deeply buried. In some places, drought occurs in spring and it is not easy to emerge after sowing or to maintain seedlings after emergence. Summer sowing should be carried out. Summer sowing should be planted before the onset of the rainy season, which is conducive to emergence and conservation. In recent years, some places are planted in the fall and winter seasons. After the seeds are sown, the seeds do not germinate and the soil freezes. When the soil temperature is appropriate in the second year, germination emerges. Because of the good soil moisture, the licorice sprouting rate is high. Before sowing, quality farmhouse manure is used for 4,000 kg per mu, and ammonium phosphate is 35 kg for each mu. Put the land into small pots and pour enough water before planting. Spread the seed evenly or drill sowing seeds with 10-15Kg per acre. Cover soil 2.5 to 3 centimeters, not too deep. 7 to 10 days after emergence.
4, transplanting
Use flat planting method. After the autumn leaves of licorice were yellow, the upper part of the harvest was made of cattle and sheep feed. Then turn the ground to 30 cm, dig a root length of 25 cm or more, smooth roots for transplanting materials. Cover soil and preserve it 5 cm. In the fall of the year or the spring of the second year. Plough the ditch, ditch depth 5 cm, spacing 33 cm, spacing 15 cm, the seedlings will be laid flat in the ditch cover soil. Or use a shovel to open a trench and transplant. 1.2-15 thousand plants per acre. After transplanting, the licorice grows quickly and can be harvested in autumn. Generally, the yield per mu is 500 to 700 Kg. With the best picking in the second year, the yield per mu can reach 1000Kg.
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