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Is Tian Shu a yam?

Tian Potato is not a yam. Dioscorea opposita, also known as Dioscorea zingiberensis, is a ginseng species of Dioscorea zingiberensis; Dioscorea, the scientific name of Dioscorea zingiberensis, is a species of Dioscorea zingiberensis. Therefore, Tian Potato is not a yam. The tuber of Chinese yam is long cylindrical and grows vertically. Stems usually purplish red, dextral, glabrous. Leaves simple, alternate at lower part of stem, opposite above middle. Male inflorescences are spikes, 2-8 cm long, suberect, 2-8 inserted in leaf axils.

Sweet potatoes blossom. The flowering period is from June to September and the fruiting period is from July to November. Tian Shu, also known as Chinese yam, ginseng potato, big potato, dioscorea and so on. It is commonly known as yam. It is a plant of the genus Dioscorea in the family Dioscorea, and the tuber can be eaten as a vegetable.

There is a difference, yam can be cooked inside is white slime meat market can be sold to have a look, and field potato is sweet meat, I believe that roasted potato everyone has eaten.

Two species, namely common yam (DioscoreabatatasDecne.) and field potato (DioscoreaalataL.). Common yam can be divided into two varieties: long yam and stick yam. The varieties of long yam can be divided into three groups: lobed triangular leaves, deeply divided triangular leaves and long heart-shaped leaves. The variety of Rhizoma Dioscoreae belongs to 1 variety group. The field potato can be divided into three varieties: long column, cylinder and flat block.

Roll the yam ball into long strips, then cut it into small pieces and knead it into a ball. Add the right amount of water to boil in the pot, add yam dumplings to boil until floating, and finally add sugar to taste according to personal preference.

When will sweet potatoes be harvested?

1. Sweet potatoes are generally harvested in autumn. Sweet potatoes are suitable for growing in a warm environment, so the planting time is between March and May in spring. If sweet potatoes are planted earlier, in early spring in March, then sweet potatoes can be harvested in October in autumn. If the planting time of sweet potato is relatively late, it will be planted in May, then the harvest time of sweet potato will be later from November to December accordingly.

2. Sweet potato matured about 200 days after planting. The growing period of sweet potato is about 180 to 220 days from seed to harvest, and the sweet potato is planted around March to April in spring. The normal harvest time of sweet potato should be carried out in sunny days after the aboveground stems and leaves are completely withered. However, according to the needs of the market, it can be collected and sold from December of that year to March of the next year. Sweet potato, also known as ginseng potato, Lidong potato, sweet potato, etc., is the tuber of ginseng potato of Dioscorea zingiberensis.

3. The cultivation of sweet potato is generally carried out in spring. First of all, we need to prepare the land and choose fertile and well-drained soil for ploughing and loosening the soil. Then, the sweet potato seeds are buried in the soil, leaving a certain distance between each seed, cover with a layer of soil, and gently pat. In daily management, it is necessary to water, fertilize, weed and control diseases and insect pests in time to ensure the normal growth of sweet potato.

4. Sweet potatoes are usually harvested in autumn. Sweet potato is a kind of tuber plant, its main function is medicinal. Sweet potato is suitable to grow in a warm environment. If the temperature is below 12 ℃, it will stop growing. Therefore, the planting time of sweet potato is from March to May in spring. Sweet potato also has a long growth cycle and can not be harvested until autumn. It needs a hot summer.

5. Pesticide spraying or biological control methods such as natural enemies can be used. Harvest and preservation: the growth period of small sweet potato is 3-4 months. When the leaves of small sweet potato begin to yellowing, they can be harvested. After drying the sweet potatoes, cut off the fibrous roots and residual branches and leaves, and then preserve them. When preservation, the sweet potato can be put in a dry, ventilated place to avoid damp and moldy. The above is the planting method of small sweet potato, I hope it will be helpful to you.

The difference between sweet potato and yam

The main results are as follows: 1. The most important difference between sweet potato and yam is that Chinese yam is mainly farmed, while sweet potato is mainly wild. The root shape of sweet potato is irregular, cylindrical and flat, and there are long hairs on the surface. Yam is mostly cylindrical and coarse and fine, which is the most important difference between the two.

2. There is no difference between sweet potato and yam. Sweet potato is a characteristic yam cultivated artificially, and it is a winding rattan plant of Dioscorea zingiberensis, and its tuber is long cylindrical, which is suitable to grow in a warm and sunny environment. It is necessary to provide a slightly acidic sandy loam with convenient drainage and irrigation.

3. Yam. Sweet potato has the effects of tonifying the lung and kidney and invigorating the spleen, while the effects of digestion, health preservation and astringent sweating of yam are more powerful. Chinese yam is considered as a kind of health food, which has a better effect on diseases such as digestive system and kidney deficiency, and can restore damaged gastric mucosa. the effect of Chinese yam is greater than that of sweet potato. Sweet potato tastes softer and waxy after steaming, while Chinese yam tastes more crisp after steaming, and yam tastes better than sweet potato.

4. Sweet potato is a kind of potato, its appearance is similar to that of Chinese yam, but it is much larger than that of Chinese yam, and it is not long, but block. Sweet potato is also called pseudo-yam, sweet potato, ginseng potato, potato, Lidong potato and so on. Sweet potato has a variety of colors, such as yellow skin and white heart, red skin and white heart, etc., the shape is irregular, harvested in autumn, one season a year.

5. Dioscorea zingiberensis is a characteristic yam, and both of them are tubers of Dioscorea zingiberensis. Sweet potato looks like sweet potato, with more catkins, yam is stick-shaped, less catkins, can be steamed as miscellaneous grains, can also be cut into pieces of stewed meat, similar nutritional value. Sweet potato has the effects of invigorating the spleen and relieving diarrhea, tonifying the lung and kidney, detoxifying and reducing sores, while yam has the effects of nourishing strength, aiding digestion, collecting deficiency sweat, relieving diarrhea and so on.

6. The main differences are as follows: the tuber root shape of sweet potato is irregular, and the surface is more hairy; the yam is mainly stick-shaped, and the surface is less. Chinese yam is mainly farmed, while sweet potato is mainly wild. Sweet potato tastes soft and waxy after steaming, while yam tastes crisp after steaming. Similarly, the medicinal value of the two is also different. In addition, the leaves of sweet potato are beautiful and can be used as potted plants.