The nutritional value of mustard greens The best time to grow mustard greens in the north

The nutritional value of mustard greens is the best time to grow mustard greens in the north. Mustard greens are commonly used vegetables cultivated all over the country. The north and south are mainly broadcasted in autumn, the Yangtze River basin and the southwest and south China are harvested in winter or next spring, and the north is frosted. Before harvesting, the leaf mustard for young plants can be spring or summer sowing in the south, which has high cultivation value. Let's take a look at the mustard green planting technology!

Mustard contains vitamin A, B vitamins, vitamin C and vitamin D. It has the effect of refreshing and refreshing. The mustard is rich in ascorbic acid. It is a highly active reducing substance. It can increase the oxygen content in the brain and stimulate the brain's utilization of oxygen. It is refreshing and relieving fatigue. The role.

Shrimp fried mustard has the function of detoxification and swelling, has anti-infection and disease prevention effects, inhibits the toxicity of bacterial toxins, promotes wound healing, and can be used to treat infectious diseases. There is also the effect of appetizing and digestion, because the mustard has a special flavor and aroma after pickling, can promote the digestive function of the stomach and intestines, increase appetite, can be used for appetizing and help digestion.

Finally, it can also be clear-eyed, wide-stomach laxative, because the mustard tissue is coarser, contains carotene and a large amount of edible cellulose, so it has the effect of eyesight and wide bowel laxative, which can be used as a therapeutic food for ophthalmology patients. It can prevent constipation, especially for the elderly and habitual secrets.

The medicinal effect of mustard: Mustard has an important position in the consumption of vegetable and vegetable in China. Since ancient times, there has been a saying that "vegetable ginger mustard". The working people work hard in the open air all day long, and it is inevitable that they will encounter cold winds when they are in the wind. They often eat ginger and mustard and other vegetables, which can chill and dispel cold to avoid seasonal diseases. "Xin Gan and Wen. Royal rheumatism, root taste is especially good; Bu Yuan Yang, Lifei, and Zhongtong, more food." This is the Qing Dynasty medical scientist Wang Shixiong in the "Diet in the Diet" The flavor of mustard and its medicinal efficacy are highly summarized.

Growth habits of mustard greens

Mustard greens are generally short-lived for 50 to 60 days. They are cold and humid. They are not resistant to frost and are not resistant to heat. Above 25 °C, the growth is slow and the quality is poor. Especially for large-scale mustard varieties, the roots of shallow roots are included in the soil. The shallow drought resistance and drought resistance are poor. The soil overheating and dryness are not good for growth. The nitrogen nutrient is the main ratio of about 1:1, and also the calcium and boron. If the supply is insufficient, various diseases will occur. It is best for the general nitrogen fertilizer to be converted into soil by the soil-based bacteria, so that the bacteria, such as nitrogen, keep the soil loose, and the bacteria can not work at the same time.

Seedling technique of mustard

1. Seed selection: The mustard seeds should be selected first after purchase. In addition to the impurities mixed, the seeds should be selected. Because the mustard seeds are small, they are usually selected by washing, so that the seeds are immersed in water and stirred constantly. Pestle grains and sundries, those who sneak into the bottom of the water are full of seeds.
2. Sunburn disinfection: After the mustard seeds are selected by water, they will be exposed to the sun to reduce the water content in the body. From time to time, all the seeds can be evenly baptized by sunlight, promoting the internal material conversion and ending. Dormancy, increased rate of germination, and more consistent emergence. Disinfect the disinfectant with a fungicide such as a multi-bacteria, soak the seeds for 5 to 10 minutes, and continue to stir, so that the seeds are in full contact with the liquid to kill the bacteria.
3. Soaking seeds and germination: the mustard seeds absorb enough water to facilitate the transformation of the internal material of the seeds and the softening of the seed coat promotes sprouting. As for the immersion in the wet water for 3-4 hours, the nutrient-rich foliar fertilizer can be added to absorb it to increase nutrition. Increase the rate of budding and benefit the seedlings. The germination of the seed should have a temperature in addition to the air moisture, so the seeds after soaking should be immersed in the environment of 25-30 ° C and the environment to ensure early germination and uniform germination to promote the management of the seedling stage.

Mustard planting technique

1. Colonization technology: The mustard mash has a wide range of soil adaptation, but in order to obtain high yield, the mustard must be selected as the sandy loam of rice, and the base fertilizer is applied, the acupuncture is planted, and the planting is carried out. The plant spacing is 40 cm to 50 cm. More late varieties should be properly sown. Mustard roots are slow. When transplanting, try to bring more soil and avoid root damage, and make the roots not bent, so as to improve the survival rate.
2. Reasonable fertilization: Mustard is generally produced 3 to 4 days after the autumn sowing, and spring mustard must be 6 to 15 days. When the mustard seedlings have 2 true leaves, the first top dressing is applied, and 1000% of the 0.3% urea solution is applied per acre, and the second top dressing is carried out 7 to 10 days before the harvest, and then once every harvest.
3. Watering and weeding: The seeds of mustard are small and susceptible to soil moisture. Pay attention to watering and moisturizing before emergence. The watering time should be early and late. It is necessary to master the principle of light pouring and frequent pouring, and it cannot be poured at one time. Mustard plants are short, usually spread, weeds and mustard mixed with weeding is more difficult, labor, should be combined with harvesting weeds.
4. Pest control: The disease of mustard infective disease is mainly manifested in virus disease on leaf mustard, mostly in the hot and dry seasons of seedlings and in the early growth stage after planting, spread by aphids, thoroughly prevent and cure every 7 to 10 days. It is also useful to keep the soil moist at the same time and keep the soil moist to reduce the climate. In addition to the mites and yellow fleas, it mainly harms the roots of mustard and timely sprays phoxim and other pesticides.
5. Harvest at the right time: mustard is harvested separately, each harvest should be large and small, and the plant should be even and appropriate. In the early autumn, the leeks are planted, and the true leaves are harvested from 10 to 13 pieces, harvested 30 to 35 days after sowing, and then harvested 4 to 5 times in stages, until the end of March next year, the total output of the mu is 2,500 to 3,000 kg. Autumn leeks sown in early October will take 45 to 60 days to start harvesting. The leeks planted in late February will be harvested in early April. Spring sowing is generally harvested 1 or 2 times, and the yield per mu is about 1000 kg.

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