How to grow cold vegetables in winter

Winter cold vegetable is a common vegetable, which often feeds on tender leaves, and there are many edible ways, so how to grow winter cold vegetables? What are the nutritional values?

How to grow cold vegetables in winter

1. Temperature: winter cold vegetables like dampness and cool, the suitable growth temperature is 15-20 ℃, the seeds begin to germinate at 8 ℃, and the optimum temperature for germination is 25 ℃. The disease of plants above 30 ℃ is serious, and the growth of plants below 15 ℃ is slow.

2. Soil: it is not strict with the soil, but it grows better on the fertile, loose, moisturizing and fertilizing soil.

3. Sowing time: the seeds are usually sown in February in spring and in late September in autumn.

Generally, hole sowing is adopted. Before sowing, 2000-3000 kg of mature organic fertilizer and 50 kg of compound fertilizer are applied per mu, 4-5 seeds are sown in each hole, and the plant spacing is 35 × 35 cm. After sowing, cover the seeds with fine mud, cover the border with sunshade net, and pour enough bottom water to keep the soil moist.

4. Fertilization: mainly nitrogen fertilizer.

Second, what is the nutritional value of cold winter vegetables?

1. Medicinal value: the whole plant of winter cold vegetable can be used as medicine, its roots, stems, leaves and seeds are sweet and cold, and have the effects of heat-clearing and detoxification, smooth intestines, relieving cough and expectoration, etc.

Winter cold vegetable has the effect of diuresis, slippery intestine and lower milk, and has a certain curative effect on diseases such as obstruction of defecation, gonorrhea, edema, women's milk obstruction, breast swelling and pain, etc.

2. Edible value: winter cold vegetables are generally eaten with seedlings or tender stems and leaves as vegetables with rich nutrition.

Tender stems and leaves can be fried, salad or make soup, etc., tender and delicious. But it is not suitable to eat with warm food, and those with spleen deficiency and intestinal slippery should avoid eating.

If you want to eat winter vegetables, you can stir-fry, you can also stew soup, according to your own preferences.