How much is the price of longevity food sweet potato per jin? Explain the six-point planting technology in detail!

At the mention of sweet potato, we must be familiar with it. It is not only of high nutritional value, but also easy to grow and low in investment cost, so it is planted in many areas. How much is the price of sweet potato per jin? What are the planting techniques?

1. Introduction of sweet potato

1. What is the name of sweet potato?

Potato, yam, sweet potato, golden potato, red yam, Zhu potato, jade pillow potato, sweet ru, sweet potato, goose.

2. Where do sweet potatoes come from?

There are many sweet potato producing areas, which are distributed both at home and abroad, among which abroad are mainly distributed in South America, Greater Antilles and lesser Antilles. It is mainly distributed in Beijing, Liaoning, Heilongjiang, Harbin, Henan, Hebei, Shandong, Guangdong, Fujian, Hunan, Hubei, Yunnan, Guizhou, Sichuan and other places. It is distributed in almost all tropical and subtropical regions of the world.

3. What are the varieties of sweet potatoes?

According to the color of potato meat, it can be divided into: White heart sweet potato, purple heart sweet potato, yellow heart sweet potato, red heart sweet potato.

(2) according to the length of vines, it can be divided into long vine sweet potato and short vine sweet potato.

(3) according to the taste, it can be divided into fruit sweet potato, waxy sweet sweet potato and soft sweet sweet potato.

(4) according to the use, it can be divided into vegetable sweet potato, medicinal sweet potato, fresh edible sweet potato, fruit sweet potato and feed sweet potato.

Second, how much is the market price of sweet potatoes per jin?

The market price of sweet potato is relatively close to the people, generally at 0.5-1.8 yuan per jin, but due to a variety of varieties and a wide range of planting areas, the market price varies from place to place. For example, the market price of Longshu No. 9 sweet potato in Leping City, Jingdezhen, Jiangxi Province is about 0.5-0.8 yuan per jin, and the market price is stable; the market price of sweet potato 25 in Wolong District, Nanyang City, Henan Province is about 1-1.8 yuan per jin, and has risen slightly recently, so the specific price still needs to go to the local market to check. Recent market prices and trends in some regions are as follows:

Market

Variety

Price

Recent trend

Leping City, Jingdezhen, Jiangxi Province

Longshu No. 9

0.5 yuan / jin

It is expected that the future price may be stable and weak in the later period.

Wolong District, Nanyang City, Henan Province

Yam 25

1.8yuan per jin.

The price is expected to be stable in the later period.

Xuanwei City, Qujing, Yunnan

Xuanshu No. 2

0.6 to 0.8 yuan per jin

Stable, the price is expected to be stable in the later period

Xiajin country, Dezhou, Shandong province

Longshu No. 9

0.8 yuan 1.3 yuan / jin

A slight increase, and prices are expected to rise in the future.

Third, what are the sweet potato planting techniques?

1. Seed selection

When selecting seeds, try to select seedlings with large individuals and many buds, and be sure to observe whether there are any defects on the surface of sweet potatoes and whether they have been bitten by insects, so as to improve the survival rate in the later stage.

2. Sowing seeds

(1) seed treatment: soak the seed potato in Dorinella solution for more than ten minutes to prevent bacterial infection.

(2) sowing method: put the potato head up, then put it obliquely into the soil, and cover a small amount of dead grass and rotten wood or poultry droppings, slowly cover the soil. If the temperature is relatively low, the soil can be covered with a film to promote seed potato germination.

(3) cutting seedlings: when the sweet potato seedlings grow out of 30~40cm, cut off the seedlings with aseptic scissors, and then cut them to the seedling ground to let them grow. When cutting seedlings, try to take three leaves as a section, so that you can make full use of seedlings. At the same time, when cutting, the interval between 30cm of each plant is the best.

3. Rational fertilization

After seedling cutting and planting, an appropriate amount of poultry fecal water should be applied to promote root and seedling growth, and after the seedlings survive, a small amount of urea should be applied to make the seedlings grow evenly, and when the seedlings grow to the strong fruit stage, appropriate amount of potash or boron fertilizer should be applied to promote the fruit.

4. Shunmiao

After growing for a period of time, the seed potato will climb everywhere, and the seed potato can be planted smoothly at this time to prevent nutrients from being consumed by unnecessary branches and leaves. Shunmiao, as far as possible in one direction, in order to facilitate later harvest. In addition, some superfluous branches and leaves should be removed in order to prevent nutrients from being absorbed.

5. Pest control

During the growth of sweet potato, there will be leaf rollers, voles, aphids and other diseases and insect pests, so during the management period, preventive measures should be taken. If the disease has been produced, it can be sprayed with trichlorfon solution; if there are voles, trapping can be used to kill.

6. Harvest

Sweet potatoes can be harvested when they grow to September. When harvesting, first cut off the vines, and then use tools to dig out the sweet potatoes.

When will sweet potatoes be planted?

1. Seedling raising time: from mid-February to mid-April

2. Spring potato planting time: from mid-late April to early and mid-May.

3. Planting time of summer potato: early June

To sum up, sweet potato is easy to plant, and when planting, as long as we master the basic management work such as planting time and fertilizer management, we can get ten thousand jin per mu.