Because after planting in yam bean, it usually takes two years to harvest the real yam. Because the yam planted in the first year is short in length, very thin, and has a poor taste, it is generally necessary to leave the seeds in the second year to grow qualified and delicious yam, so yam bean is hardly used as the seed for planting yam.
Does yam bean grow from Chinese yam? yam bean grows from the vine of Chinese yam.
Yam bean generally grows between the vines or axils of yam, and its shape is mostly kidney-shaped or oval. To be precise, yam bean grows from yam trees, not yam, because yam bean does not grow underground.
3 What's the difference between yam bean and Yam? There is little difference in taste and nutrients between yam bean and Yam, but the difference mainly lies in the appearance.
Yam: The shape is generally 30-60 cm long, and some yams can grow to 100 cm, while the skin color is generally brown.
Yam bean: yam bean is very small, mostly kidney-shaped or oval. Some yam bean is about one or two centimeters in diameter, and the largest one is four or five centimeters, with brown or dark brown skin.
4 When to pick in yam bean is usually the end of September1early October.
Yam bean usually grows on yam trees, and begins to flourish when yam is about to mature, but in late September, it is a period of rapid growth and development of underground yam. Therefore, the more yam bean grows, it will affect the absorption of nutrients by yam, and then affect the quality of yam bean. Therefore, yam bean is usually picked in advance when yam is mature, so as not to affect the quality of yam.