Cultivation and processing
Herbal origin
North Asarum and Seoul Asarum are commonly known as Liao Xixin; Hua Xixin is known as Asarum. North Asarum is produced mainly in the northeast and sells throughout the country and exports. Seoul Asarum is mainly produced in Jilin Province and Liaoning Province, and the output is very small. Hua Xixin is mainly produced in Shaanxi Province, Sichuan Province, and Hubei Province; Anhui Province, Jiangxi Province, and Zhejiang Province are also produced, and are self-produced and sold. Usually produced in northeast China, Hua Xixin is best in Shaanxi Huayin.
Cultivation
Hi cool and moist environment, cold-resistant; suitable for deep soil, loose fertile and humus-rich loam or sandy loam cultivation. In early July, seeds were harvested one after another and planted. Drilling distance 15 cm, depth 3 ~ 4 cm, cover ± 2 ~ 3 cm, 4 kg per acre seed size; hole sowing line spacing 10 cm × 7 cm, 7-10 seeds per hole, can also be split propagation, strains Line spacing 7 cm x 17 cm. After sowing, seedlings were planted in late spring and planted or transplanted after 2 to 3 years of cultivation. Every year, cultivating and weeding 2~4 times, in addition to applying base fertilizer, it is necessary to top-dress 2 times. If there is no natural shade, it needs to be shady and the shading is 50%~60%. Before winter, cover the grass or cover with litter. The main diseases are sclerotia, sprayed with 50% carbendazim 1000 times or in the rhizosphere. Insect pests include ground tigers, which can be poisoned by poisonous soil or baited by poison baits. Black caterpillars and aphids are sprayed with 2.5% trichlorfon powder or sprayed with 0.1% wettable trichlorfon. Cultivation research progress: slightly
Harvest processing
Summer fruit ripening excavation, to double-leaf, keep rhizomes, dry. The cultivated products are harvested 3 to 4 years after harvest. The product should not be sun and washed.
Medicinal herbs
1. Asarum picks up impurities from the original drug, screens the soil, picks up the double leaves, cuts it, and dries it.
2. Candied dried honey is diluted with proper amount of water, poured into Asarum rhizome, stir-fried until the honey extract, remove and let cool. The product should be used with the speculation. For every 100g of Asarum rhizome, honey 25g is used.
Concocted research progress: slightly
Herb storage
Store in a cool, dry place, protected from moisture.
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