Campus vegetable Garden: the planting method of Chinese Cabbage

Brassica campestris L. ssp. chinensis Makino (var. communis Tsen et Lee)) scientific name common cabbage, commonly known as green vegetables, also known as rubber vegetables, cabbage, white cabbage, rape (some areas of northeast China), oil cabbage, etc., originated in China, distributed in all parts of the north and south. Chinese cabbage is Brassica (Brassica) cultivated plants, stems and leaves edible, one or two annual herbs, often cultivated as an annual. Leaf color light green to dark green, leaf blade obovate or elliptic, leaf blade smooth or folded, a few have fluff. Petiole plump, white or green. No balls. Flowers yellow. Seeds suborbicular.

planting method

1. Seed preparation

Chinese cabbage can be directly sown, but also seedlings transplanted. The seeds can be soaked in warm water at 50~55℃ for 15 minutes, and then soaked in water at room temperature for 6~8 hours.

2. sowing

Put nutrient soil into the flowerpot, flatten the surface of the soil layer, and create small trenches with a depth of 1 cm and a width of about 1~2 cm. The spacing between trenches is 10~15 cm. Put a seed every 1 cm, cover it gently and water it.

3. germination

Generally, it will sprout after 3 to 4 days, so be sure to pay attention to watering. Do not dry the soil until it sprouts.

4. thinning

After the cabbage sprouts, the poorly developed seedlings are pinched and pulled out with fingers, so that the plant spacing is 3 cm. In order to prevent the remaining seedlings from falling out, proper amount of soil is cultivated. (Chinese cabbage is easy to attract insects, can be covered with gauze to prevent pests)

5. harvest

When it grows to 25 cm, it can be harvested and cut from the bottom with scissors. If the cabbage is too big, it will taste worse.

temperature

Chinese cabbage belongs to semi-cold resistant vegetables, like cold climate, the average temperature in 18~20℃

illumination

Chinese cabbage likes warm and humid environment, cultivation can be placed on the roof roof, balcony and other sunny places.

soil

Nutrient soil should be loose, permeable, and keep water and fertilizer. Generally, vegetable garden soil, decayed leaf soil and organic fertilizer are mixed according to a certain proportion.

moisture

Watering in the morning and evening to carry out the best, can not be overheated at noon watering, watering water after water infiltration into the soil is not sticky, loose soil with a small rake.

cultivation time

Cultivation time between March and October is good.

fertilizer

In the growth period accompanied by watering 2-3 times topdressing, nitrogen, phosphorus and potassium compound fertilizer is appropriate.

cultivation container

flowerpots of different sizes, waste wooden boxes, etc.

harvest time

It can be harvested and eaten 20-40 days after sowing.

nutritional value

Chinese cabbage contains protein, fat, carbohydrate, dietary fiber, calcium, phosphorus, iron, carotene, vitamin B1, vitamin B2, niacin, vitamin C and so on. The calcium content is higher, almost equal to 2~3 times of cabbage content. Chinese cabbage is mild in nature and sweet in taste. Can treat lung heat cough, constipation, erysipelas, lacquer sores and other diseases.

Edible way

Chinese cabbage can be cooked or fried, can also be made into soup or cold food.

precautions

1. Cabbage is generally edible.

2. Especially suitable for lung heat cough, constipation, erysipelas, lacquer sores, furuncle and other patients and calcium deficiency consumption.

3. Due to the cold nature of cabbage, so spleen and stomach deficiency cold should not eat more;

4. Cabbage is not easy to eat raw.

5. When making dishes with cabbage, stir-fry and cook for too long to avoid loss of nutrition.

6. After wrapping, cabbage can only be refrigerated for 2-3 days. If stored together with roots, it can be slightly extended for 1-2 days.