How to prevent the overwintering leek roots from freezing to death?

Measures to prevent leek roots from freezing to death in winter;

Choosing the right variety, the cold resistance of different leek varieties is very different. The deeper the low temperature dormancy of a variety, the stronger its adaptability to the cold in severe winter. Therefore, it is best to choose some dormant varieties for leek production in cold areas in winter.

Sow leeks in time during the planting season and supply fertilizer and water in time to ensure Miao Zhuang in that year.

Generally speaking, bacon overwinters in the first year after sowing on land, which is not suitable for strong cutting.

The last harvest after autumn should be done early and lightly. After cutting, topdressing and watering should be done in time to promote the plants to store nutrients well before overwintering and germinate in advance in the following spring to obtain high yield.

The efficacy of leek:

1. Prevention and treatment of constipation, because leek is rich in edible cellulose, high-fiber food can promote gastrointestinal peristalsis, make it difficult to be thoroughly digested, increase the amount of stool, thus cleaning the intestines and promoting fecal excretion, so eating leek often can prevent and treat constipation.

2. Anti-cancer, according to the latest scientific research, leek seeds and leek yellow are "professional killers" of malignant tumors, because the human body can prevent the occurrence of intestinal cancer by ingesting the rich cellulose contained in leeks; Carotene contained in leek is a good medicine to prevent many kinds of epithelial brain canceration.

3. Prevent cardiovascular and cerebrovascular diseases. The volatile essential oil and sulfur compounds contained in leek have the function of reducing blood lipid. Therefore, eating leeks is of great help to dilate blood vessels, stabilize blood pressure and prevent arteriosclerosis and coronary heart disease.

4. Promoting blood circulation and removing blood stasis, leek is suitable for traumatic injury, enteritis, diarrhea and various bleeding. When there is a traumatic injury, mashing fresh leek and applying it to the affected area will have a certain effect.

5. Anti-aging, leek contains a certain amount of sulfide, which has the functions of softening blood vessels, promoting microcirculation and enhancing immunity, so eating leek often can resist aging.

6. Nutritional value of leek leek contains more than 90% water, rich in vitamin C, more vitamins and minerals such as calcium, iron, phosphorus, protein and a little fat, and also contains beneficial ingredients such as volatile oil, sulfide, methyl allicin and cellulose.