The Scarcity of Wild Yam: Why is it Difficult to Find in the Market?

Wild Yam is not only a traditional Chinese medicine, but also a delicacy in rural areas. The best time to consume wild yam is during the sixth and seventh lunar months. So why is it difficult to fin

Unraveling the Mystery of "Spring Seven" and "Winter Seven" in Panax Notoginseng Harvesting

Many people who buy Panax notoginseng in the market often hear the colloquial terms "spring seven" and "winter seven", but many people do not know what exactly they refer to. They may think that "spri