Planting of Codonopsis pilosula
Codonopsis pilosula: mainly produces Shanxi, Shaanxi, Gansu, Sichuan and Northeast China.
Codonopsis pilosula: mainly produces western Sichuan and some areas of Gansu.
Sichuan Codonopsis pilosula: mainly Sichuan, Chongqing, Hubei, Hunan, Guizhou and other provinces.
[characteristics of medicinal materials]
Codonopsis pilosula: the root is long cylindrical, slightly curved, long 10~35cm, diameter 0.4~2cm. The surface is yellowish brown to grayish brown, and there are many verrucous stem scars and buds on the root head, and the top of each stem scar is in the shape of sunken dots; there are dense circular transverse lines under the root head, some of which are half of the full length, and there are few or none of the cultivated products; all have longitudinal wrinkles and scattered horizontal lenticels, and there are often black-brown colloid at the broken roots. The quality is slightly hard or slightly tough, the cross section is slightly flat, with fissures or radial texture, the skin is yellowish white to brown, and the wood is yellowish. It has a special aroma and a slightly sweet taste.
Codonopsis pilosula: the surface is yellow-white to grayish yellow, and the dense circular transverse pattern under the root is often more than half of the full length. There are many cracks in the cross section, the skin is gray to light brown, and the wood is yellowish.
Codonopsis pilosula: the surface is grayish yellow to yellowish brown with obvious irregular longitudinal grooves. The quality is soft and strong, the cross-section fissures are less, the skin is yellow-white, and the wood is yellowish.
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Land preparation of Codonopsis pilosula
Spring flipping and autumn flipping are available, and autumn flipping is better. Before ploughing the land, spread rotten barnyard manure or compost 30,000-50,000 kg per hectare, then plough 25cm to 30cm, rake fine and level off. Codonopsis pilosula is suitable for border cultivation, with a width of 120 cm, high and dry terrain can be made into a flat border, and a lower terrain can be made into a high border of 10 cm to 15 cm. Ridge farming is also implemented in some places, in order to increase the number of plants per unit area, hit a small ridge of 50 cm, or hit a wide ridge of 60 cm, double-row planting.
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Planting techniques of Codonopsis pilosula
1. It is better to choose sandy loam or humus loam and shady slope close to water source, loose and fertile soil with good drainage. The planting land should choose gentle slopes, terraces with high dryness and good drainage, raw wasteland and flat land, but the soil layer should be deep, fertile, well-structured and easy to cultivate. After withering and selecting the soil that is easy to cultivate, the shrubs and weeds on the wasteland should be removed and burnt as fertilizer in the winter of the first year, and then the soil should be ploughed 30 cm, leveled and raked fine, and made into a high border 1.3 meters wide.
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