summary
Cabbage has strong adaptability, few diseases, compact catching, bright color, storage resistance, transportation resistance, rich nutrition and high yield. It can be cultivated in the south except in hot summer and in the north except in cold winter, and can be planted in places where cabbage can be planted.
Purple cabbage has underdeveloped taproots and many fibrous roots, which are prone to adventitious roots, suitable for transplantation and strong root absorption.
The leaves are oval or nearly round, purplish red or dark green in color, purplish red in veins, thick in mesophyll, smooth in leaf surface and covered with gray wax powder. The leaf ball is compact, flat, spherical or high prototype.
Purple cabbage likes mild climate conditions. Strong adaptability to temperature conditions, that is, cold and high temperature resistance. The optimum temperature of seed germination is 15~20℃, and it can germinate normally at high temperature of 25~30℃. Rosette leaves need higher temperature in the growing period and the plucking period, and the suitable temperature is 20~25℃.
Purple cabbage does not require strict light intensity, but sufficient light is beneficial to its growth. The light intensity required in the nodulation period is weak, and the light time can be shorter.
Purple cabbage has strong root absorption, but it has large leaves, strong transpiration and large water demand.
Purple cabbage has strong adaptability to soil. Suitable for fertile land, like fertilizer but tolerant of fertilizer.
Dietetic therapy
200 grams of cabbage contains twice as much vitamin C as a citrus. In addition, this vegetable can also provide people with a certain number of important antioxidants: vitamin E and vitamin A precursor (β-carrot), which can protect the body from free radical damage and help to renew cells. It has the function of strengthening the body, and can enhance people's vitality if eaten regularly.
Cabbage is a kind of healthy vegetable. Purple cabbage is rich in sulfur, which is mainly used to kill insects and relieve itching, and has certain effects on various skin itching, eczema and other diseases, so eating this kind of vegetables often is very beneficial to maintaining skin health.
Anyone who often eats cabbage and vegetables can easily meet the requirements of the body for cellulose. This kind of vegetable contains a lot of cellulose, which can enhance gastrointestinal function, promote gastrointestinal peristalsis and lower cholesterol level. In addition, eating cabbage regularly can also prevent allergies, so people with skin allergies had better regard cabbage as a reserved dish.
Among them, iron can increase the content of oxygen in blood; It helps the body to burn fat, which is of great benefit to lose weight.
Cabbage vegetables, like medicines, can relieve the symptoms of joint pain and also cure the sore throat caused by colds. Therefore, it is best for arthritis patients to eat this kind of vegetables often, and in order to prevent throat inflammation caused by colds, they should also eat cabbage often in the high incidence season of colds in winter and spring.
Nutrition and food
Purple cabbage is rich in nutrition. According to the determination, every100g of fresh vegetables contains carotene 0. 1 1 mg, vitamin B10.04mg, vitamin B 20.04mg, vitamin C 39mg, nicotinic acid 0.3mg, and sugar 4% and protein/kloc.
Purple cabbage can be eaten raw, cooked or fried. But in order to maintain nutrition, it is better to eat raw food. If the food is fried, it is necessary to hurry the heavy oil and stir it quickly.