Hair refers to food that can cause body fever, while leek is a spicy food, so it belongs to hair. Leek is a perennial evergreen herb, perennial, cold-resistant, and likes to grow in a humid and fertile environment. In a sunny and dry environment, the tip of the blade will be burnt yellow. Leek is cool, cold-resistant and heat-resistant. The optimum temperature for seed germination is above 65438 02℃, and the growth temperature is between 65438 05℃ and 25℃. The underground part can withstand lower temperatures.
The main nutritional components of leek are vitamin C, vitamin B 1, vitamin B2, nicotinic acid, carotene, carbohydrates and minerals. Leek is also rich in cellulose, and the cellulose content per 100g of leek is 1.5g, which is higher than that of scallion and celery.
Introduction of leek varieties:
1, Chinese chive
Large-leaf leek is a new variety cultivated artificially, with a plant height of about 40 cm, cold tolerance, drought tolerance and strong insect resistance. Moreover, the growth cycle of large-leaf leek is long, and it takes 350 days from sowing to harvesting.
2. winter leek in Hanzhong
Winter leek in Hanzhong is native to Hanzhong City, Shaanxi Province, and is suitable for growing in the environment of annual average temperature 14.3 degrees. The leaves of winter leek in Hanzhong are green and spicy. The leaf length is about 42 cm, and the width is about1.9 m. When cultivating winter leek in Hanzhong, it is necessary to provide it with weak acid sponge ladle.
3. Zhucheng Dajingou
Zhucheng Daikin Dog is native to Shandong, with dark green leaves and a hook-shaped width of 1.2 cm. The stems and leaves of Zhucheng Daikin Dog are relatively upright, about 43 to 50 cm high, with sweet fragrance, and Zhucheng Daikin Dog has strong cold tolerance.
Refer to the above content: Baidu Encyclopedia Hanzhong Winter leek
Reference to the above content: Baidu Encyclopedia Daye Leek