Tiegun yam was listed in July-165438+ 10, which is a variety of yam. Its origin is in China, and its planting history is very long. The main producing areas are Henan, Hebei, Shaanxi, Guizhou, Hunan, Shaanxi and other provinces.

Iron stick yam is a specialty of China, among which iron stick yam produced in Jiaozuo is the most popular. The iron stick yam here is light brown, with little water, tender meat and delicious taste after cooking, which is called "the food of the gods".

Iron stick yam variety

Iron stick yam itself is a variety of yam, which can be divided into wen county iron stick yam according to its origin. It is a national geographical indication product, with light brown surface and white interior. It tastes delicate and delicious, and the price per catty is about 10 yuan.

Efficacy and function of iron stick yam

Iron stick yam can be made into yam, blueberry yam and other dishes, which has the functions of lowering blood sugar, nourishing kidney and nourishing essence, and is a good product for both medicine and food. In addition, according to research, iron stick yam is rich in choline and lecithin, which can improve memory and keep fit.

Planting and harvesting time of iron stick yam

Iron stick yam is suitable for planting in the soil with flat terrain, deep soil layer and convenient irrigation and drainage, but continuous cropping should be avoided. The plant belongs to high-temperature and short-day plants, and the annual average temperature should reach 20-30℃.

The cultivation of iron stick yam is not fixed. It is best to sow in March-April, when it is most suitable for its growth. When the temperature is stable, it can be planted. It takes at least 6 months from planting to harvesting, and the yield per mu is about 2000 Jin.