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Where is the best producing area of Dangshen?
The best producing area of Codonopsis pilosula is in Northeast China, Qinghai and Gansu.

1, northeast of China

Northeast China is the main producing area of Codonopsis pilosula in China, among which Jilin, Heilongjiang and Liaoning provinces all have Codonopsis pilosula cultivation, among which Jilin Province is the most concentrated. Widely distributed in mountainous areas, grasslands, woodlands, floodplains and other local ecological environments. In addition, the altitude of planting Codonopsis pilosula in Northeast China is relatively high, generally between 1500 ~ 2000 meters, and Codonopsis pilosula also adapts to the cold environment, so Codonopsis pilosula is also called "cold ginseng".

2. Qinghai area

Qinghai Province is one of the important planting areas of Codonopsis pilosula in China, which is mainly distributed in barren hills, cold areas and arid areas with harsh environment above 2000 meters above sea level, including Yushu Prefecture and Guoluo Prefecture. Codonopsis pilosula in Qinghai is divided into two types: alpine Codonopsis pilosula and meadow Codonopsis pilosula. The quality of codonopsis pilosula planted artificially and naturally is excellent.

3. Gansu area

Gansu is one of the important producing areas of Codonopsis pilosula. Due to its high geographical position, Codonopsis pilosula is of excellent quality. The main producing areas are Zhangye, Tianshui and Longnan. Different from Northeast China and Qinghai, the bottle shape of Codonopsis pilosula in Gansu is not obvious due to the continental climate of its origin, but it is red after peeling.

Characteristics of Codonopsis pilosula:

1, plant characteristics: conical root, fleshy, swollen top, with many stem scars, commonly known as "lion head". Twisted vines are multi-branched, with a height of about 2 meters. There are fine white hairs in the tender part, alternate leaves, opposite or pseudo-whorled, oval or wide oval leaves, nearly heart-shaped at the base, milk on the whole body section and special smell. These flowers are light green and pedunculate. The capsule is conical, and the seeds are mostly small, brown and shiny; The flowering period is August-September, and the fruiting period is 9-65438+1October.

2. Biological characteristics: Codonopsis pilosula likes cool climate, and the alpine region with altitude of 1800 ~ 3000m is more suitable for growth. High temperature is not conducive to its growth. Strict requirements for light, seedlings like shade, and they like sunshine after they become seedlings. Potato is the best crop of Codonopsis pilosula.

Reference to the above content: Baidu Encyclopedia-Gansu