How to store sweet potatoes and how to store sweet potatoes

One. Mechanical damage such as excavation, impact, crushing, etc. Sweet potatoes are the most susceptible to bacterial infections during harvesting and can rot for 4 7 days in a high-temperature, high-humidity and poorly ventilated environment.

The most suitable storage temperature for sweet potatoes is 10-15, humidity 80%-9%, and minimum oxygen content of 5%. Sweet potatoes sprout when the temperature is high, and they are easy to freeze when the temperature is low. 2.

Sweet potato frost damage If sweet potatoes are stored at a low temperature of 8 degrees Celsius, the metabolism will be disrupted. After 10 to 15 days of frost damage, the skin of the sweet potato rots in the light case, and all the skin rots in the heavy case. If the sweet potato is harvested late or the sweet potato cellar is poorly insulated, it will aggravate the rot of the sweet potato.

3.Wet damage of sweet potato In the late harvest stage, if there is too much rain in the field, or the sweet potato is drenched by rain, the water content of the sweet potato is too much, and the physiological function of the sweet potato is destroyed. After entering the cellar, the temperature rises rapidly, and the respiration of the sweet potatoes intensifies, leading to rotting.

Or too much water in the potato cellar can also cause the sweet potatoes to rot. Four. Some fresh sweet potato varieties are not resistant to storage, and if stored, sweet potatoes will rot.

So, regardless of whether the grower wants to store sweet potatoes or not, the variety of sweet potatoes is important.

Hello everyone, when it comes to sweet potatoes, I believe many friends like to eat, they are very nutritious, whether they are steamed or baked, they are especially popular with everyone. But did you know that sweet potatoes are difficult to preserve, and when stored, they will spoil and sprout if they are not properly stored. If the storage method is correct, sweet potatoes can be stored for 6 months without any problem, today I will teach you a way to store sweet potatoes correctly at room temperature, let's take a look.

First of all, you must pay attention to the preservation of sweet potatoes.

First, if the sweet potato we bought back, if the moisture is relatively sufficient, then we must put the sweet potato at home to dry for 2-3 days, keep the temperature at 24-27 degrees Celsius, and keep the sweet potatoes from touching each other. Doing so reduces the moisture content of the sweet potato, creating a second layer that keeps the sweet potato longer"**"It is better to store, it will not be rotten and sprouted, and it will be sweeter when eating.

The second is that when preserving sweet potatoes, the soil on the sweet potatoes must not be washed away with water, because the remaining part of the soil can also act as a protective layer for sweet potatoes, which can play a role in prolonging the preservation time of sweet potatoes.

How to preserve sweet potatoes. We prepare a cardboard box or wooden box, and cannot use an airtight container. Then find some useless newspapers or kraft paper bags, because newspapers and kraft paper are relatively breathable, which can ensure air circulation and reduce the rate of rotting of sweet potatoes.

Spread the paper on the bottom layer of the carton and put some paper to keep the inside of the box dry. Then put the sweet potatoes in, and then put a layer of paper after placing 1-2 layers of sweet potatoes, which is also to ensure the air permeability of the inside of the box. We put the sweet potatoes in turn, and after they are placed, we can also put an apple in the box, which helps to prevent the sweet potatoes from sprouting.

We put the carton in a dry, cool, well-ventilated place so that it is fine. The best temperature for storing sweet potatoes is between 13-16 degrees Celsius, and if it is too cold, it may freeze the sweet potatoes, so remember not to store them in the refrigerator. And this box is best left unsealed to prevent the sweet potatoes from rotting and sprouting inside.

1. Store in a ventilated and dry place.

Wrap it in newspaper and put it in a cool place, so that it can be stored for about 3 to 4 weeks. However, before wrapping them in newspaper, you should also spread the sweet potatoes on the newspaper to bask in the sun, and then wrap them for preservation, which can increase the sweetness of the sweet potatoes. If conditions allow, you can wrap the sweet potatoes in newspaper and put them in the refrigerator crisper so that the sweet potatoes will last longer and will not sprout.

2. Indoor storage method to store sweet potatoes.

Sweet potatoes are afraid of cold, and when the temperature is too low, they will be frozen, forming a hard core, which is not cooked or boiled; If the temperature is too high, it will sprout again, and it is best to control the room temperature at about 15.

Sweet potatoes are damp and can easily cause germs to attack and cause rot, so it is best to store them in a breathable wooden box. If there is no wooden box, a wooden board should be lined up in the place where the sweet potatoes are stacked and against the wall, and something should be covered on the potato pile to prevent moisture. In the warm day, it is necessary to open the window appropriately for ventilation to keep the indoor air fresh, and to prevent cold air from blowing in.

Sweet potatoes bought from the market are best left in the sun for a few hours to reduce the moisture of the wound and promote healing.

First, choose the best sweet potatoes into the cellar.

The storage effect of sweet potatoes is directly related to the quality of sweet potatoes before entering the cellar. Therefore, before entering the cellar, the sweet potatoes should be screened to remove lesions, knife wounds, insect wounds, and more"Swollen soil"Because these sweet potatoes carry germs, it is easy to cause large areas of rotten potatoes in the cellar.

2. Choose the appropriate storage method.

There are roughly two ways to store sweet potatoes, namely high-temperature storage and low-temperature storage. The high-temperature storage method is to heat up the sweet potatoes to 35-38 after they are put into the cellar, and keep them for 2-3 days to kill the black spot and soft rot and other germs of the sweet potatoes. Then reduce the temperature to 10-14 low for storage.

The effect of this method is very good, but the cost is high and the operation is more troublesome, so the low-temperature storage method of pharmaceutical treatment is more suitable for farmers who store separately. Using the low-temperature storage method, the potato cellar is first disinfected one week before the sweet potatoes are put into the cellar. The cellar can be sprayed and disinfected with 70 of Tobuzin 1000 times or 50 of carbendazim 800 times.

Second, after the sweet potato is harvested, it should be processed in time and put into the cellar in time. You can use 70 Tobuzin 1000 times solution, or 50 carbendazim 800 times solution, soak the sweet potatoes in a ratio of 1:1, and then remove the drops and dry them into the cellar.

Third, after the sweet potatoes are put into the cellar, various methods are used to keep the temperature in the cellar below 15 and above 10. The temperature in the cellar is lower than 15, which can inhibit the activity of germs, and higher than 10, which can avoid freezing damage and achieve the purpose of safe storage.

3. Strengthen the management of potato cellars during the storage period.

Sweet potatoes can be divided into three management periods: early winter, overwintering and post-spring. In the early winter (before heavy snowfall) the cellar is warm and humid, so the focus is on cooling and dehumidifying. The first method is to place the bamboo tube in time after the sweet potato is put into the cellar to facilitate ventilation, cooling and dehumidification; Second, when the cellar temperature is higher than 15, the potato cellar should be opened in time to cool down and drain moisture.

When the temperature drops to 10 or below, the cellar should be covered in time to keep the temperature in the cellar between 10-14. During the wintering period (heavy snow to the beginning of spring of the following year), the main work is to keep the temperature in the cellar above 10. Check the temperature of the potato cellar every few days.

If the temperature is found to be below 10, it should be covered with straw in time. After the beginning of spring, the temperature is often cold and hot, and the management of the potato cellar is mainly to strengthen the inspection, adjust the temperature in the potato cellar, so that it continues to be kept between 10-15, and replenish water as appropriate to prevent sweet potato bran.

New ways to store sweet potatoes: Storing sweet potatoes in this way is not bad at all.

The best way to store sweet potatoes: indoor storage method, slicing and drying, shed storage method, well storage method, etc.

1. Indoor hoarding method

Choose a tightly insulated room, set up fire channels around the base of the wall, and use a stove to provide warmth. Hoards are built on the inside of the house. The height of the stockpile, the width of the rice, and the length depend on the size of the house and the amount of storage.

Hoard bean leaves and soft grass at the bottom and around it. Store healthy and disease-free sweet potatoes in the stockpile. Use measures such as opening and closing doors and windows, extinguishing stoves, and opening lids to meet the needs of safe storage of sweet potatoes.

2. Shed storage method

Dig cellars 2 meters wide, 3-4 meters long and 2 meters deep outdoors. If the groundwater level is high, it can also be dug into a semi-underground type, and the above-ground part is made of soil to beat the wall. The mouth of the cellar is more than 30 cm above the ground.

Wooden sticks are erected on top of the cellar entrance, and 30 centimeters thick straw is spread on the sticks, and the grass is covered with soil meters or more, leaving an entrance and exit in the southeast corner.

3. Well cellar storage method

This method is mostly used in the cold areas of the north. The upper part resembles a well, with a diameter of 1 meter and a depth of 3-5 meters (depending on the degree of cold and warmth). When the depth is decided, then expand the barrel hole on both sides, and dig forward in the horizontal direction, 1 meter wide and 1 meter high.

After digging 1 meter, it was re-excavated into a storage room. The size of the storage room depends on the storage capacity, but it can generally store 250-300 kg of sweet potatoes per cubic meter of space. The bottom of the well needs to be padded with yellow sand.

The wellhead should be 30 cm above the ground. Sweet potatoes can be filled with seventy percent of the storage room. Using the well cellar method, personnel need to pay attention to prevent carbon dioxide suffocation in the well when going down the well.

4. Slice and dry the sweet potato to preserve it

Slice the sweet potatoes and dry them on the house or in a sunny, dry and ventilated place.

The storage method of sweet potatoes is as follows:

1. Carton storage method.

Find an empty carton, put a layer of paper towel on the bottom before putting the sweet potatoes to avoid moisture, then put the sweet potatoes in it, and then spread another layer of paper towels on top of the sweet potatoes after putting them, and finally seal them in a dry and ventilated place.

2. Newspaper wrapping method.

Wrap the sweet potatoes in newspaper one by one and pack them all in a bag.

3. Cellar preservation method.

Dig a cellar by hand and place the sweet potatoes in the cellar for preservation.

4. Sun-dried preservation method.

Sweet potato slices can be stored for a long time by drying them in the sun.

Precautions for the storage of sweet potatoes

Sweet potatoes can be exposed to the sun for a period of time before storage, about 4 days, in order to reduce the moisture of the sweet potato itself, increase the sugar content, and also make the damaged parts of the sweet potato repair, not easy to spoil.

Do not go into the water before storing sweet potatoes, the water is easy to spoil, dry them after unearthing or after buying them, and then store them directly. It is best not to have damaged places in stored sweet potatoes, which are easy to breed bacteria and lead to spoilage, so you can pick them before storing them and pick out the bad ones.

Sweet potatoes can also be stored in the cellar, see a small house on the ground, surrounded by a seal, can be around the house, establish a circle of fire, in order to have the effect of drying. At the same time, ventilation channels should also be established around the perimeter of the cellar to allow for timely ventilation.

If you've ever been to a place close to the mountains, you might see a very strange thing, which is that there is a hole dug in the hill behind every house, and it looks dark from the outside, but this is actually the place where sweet potatoes and other vegetables are stored. The countryside can do this, so for people living in the city, there are no caves to dig in, how to store sweet potatoes?

Sweet potato, scientific name: sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato (northern), red potato (many local dialects), thread lotus, white potato, golden potato, sweet potato, red potato, pillow potato, kudzu, white taro, fennel sweet potato, red sweet potato, yam (dialect), cute sweet potato. Wait.

First, the carton preservation method

1. First of all, we have to choose sweet potatoes, sweet potatoes will inevitably have bumps and bumps in the process of harvesting and transportation, these bumps and broken skin of sweet potatoes do not affect the taste, but when preserving, we must pay attention to this kind of sweet potatoes with broken skin and black spots rotten must be picked out and eaten first, because such sweet potatoes are easy to spoil, and will pollute other sweet potatoes, affecting the storage time of sweet potatoes.

2. Drying, after the sweet potato is selected, do not save it directly, but also add one more step to dry, the purpose is to dry the moisture on its surface, so that the sweet potato is not easy to spoil and can be stored for a longer time. In addition, after drying sweet potatoes, under the action of amylase, a part of the starch will be converted into sugar, so the taste of dried sweet potatoes will be sweeter.

3. Packing, take a carton, first spread a layer of plastic paper on the bottom, then spread a towel on it, and then put the sweet potatoes on the towel one by one, leave a certain gap between the sweet potatoes and the sweet potatoes, do not crowd too full, and do not stack them to avoid bruises, and finally fold the towel to cover the sweet potatoes, seal the carton and put it in a cool place to store it.

Second, the plastic bag preservation method.

Wrap the dried sweet potatoes one by one with kitchen paper, then put them in a plastic bag, drain the air in the net plastic bag and then seal the mouth, and store them in a cool place to get a year.

Indoor storage:

1.When the temperature is too low, it will be frozen, forming a hard heart, steamed and cooked; If the temperature is too high, it will sprout again, and the room temperature can be controlled at about 15C. Sweet potatoes are moist and can easily cause germs to attack and cause rot, so they can be stored in a breathable wooden box.

2.Co-cellar failure: choose a place with high terrain, solid soil and low groundwater level, and dig a wellbore downward, generally with a diameter of about 1 meter and a total depth of 5 6 meters.

The size of the storage room can be determined according to the amount of storage. In the storage room, 10 15 cm of dry sand containing rice thick should be padded, and sweet potatoes should be placed on it. Sweet potatoes can only be filled to 70% in order to leave room for the old yard gas to change the hole, otherwise it will be aggravated by moisture and heat.

3.Slices and dry thousands of preservation: slice the sweet potatoes and put them on the house or in a sunny, dry and ventilated place to dry, pay attention not to be exposed to rain and snow. After drying, store it in a dry place indoors and soak it in water before eating.