What are the seed planting methods of potted lettuce? How do you make it delicious and simple? What are the advantages and disadvantages of eating raw?

Lettuce, commonly known as lettuce, can be eaten raw, crisp, tender and refreshing, slightly sweet. In recent years, the cultivated area has expanded rapidly, and more and more people like to plant potted plants at home. So do you know the methods of planting potted lettuce seeds? How do you make it delicious and simple? What are the advantages and disadvantages of eating raw?

1. Seed planting method of potted lettuce

1. Master the sowing time:

Lettuce likes the cold climate, so the sowing time is usually in spring and autumn. Spring generally begins to sow in February-April, May-June can be harvested, while autumn sowing can start sowing at the end of August, and September-October can be harvested. Because the characteristics of different varieties of lettuce are different, flower friends should first know the description of the seeds of lettuce when choosing the sowing time. Then sow seeds in combination with the above sowing time.

Supplementary knowledge: spring and summer are suitable for sowing loose leaf lettuce (such as cream lettuce, color leaf lettuce), more heat-resistant, autumn and winter are suitable for sowing heading lettuce (also known as western lettuce), not heat-resistant.

2. The sowing method of lettuce:

① sowing: usually raise seedlings first, lettuce seeds are too small and light, need to be accompanied by fine sand, stir evenly in the container, and then sprinkle on the soil, covering soil 0.5cm, a thin layer, 15-20 degrees, about 3-5 days, it is difficult to germinate when the temperature is higher than 25 degrees. In summer, you need to accelerate germination, soak the seeds for 1 night, then wrap them in wet gauze, put them in the freezer (about 5 degrees), and sow more than half of the seeds when they are exposed.

② seedling stage: keep the soil moist, not dry, keep the soil permeable. Time seedlings with 3 true leaves, with a distance of 5cm.

③ transplanting: transplant seedlings when they grow to 5 or 6 true leaves, pour water before transplanting, and move the soil on the roots to a large basin. The distance of loose leaf lettuce plant is 15 cm, and the result is 30 cm. Water thoroughly, put the seedlings in a cool place in summer, stand firm in a week or so, and shine in the normal sun.

④ fertilization: apply fertilizer once a week after transplanting (nitrogen fertilizer is the best mature organic fertilizer), and then apply organic fertilizer or total nitrogen, phosphorus and potassium compound fertilizer once again after 2 weeks and 4 weeks after transplantation. Stop fertilizing 2 weeks before harvest.

⑤ watering: high temperature early and late watering, a small amount of frequent watering is better, but avoid waterlogging, the early growth period is suitable for water control, keep moist.

How to cook lettuce is delicious and simple

1. Minced garlic lettuce

Minced garlic lettuce not only has the effect of clearing Sautéed Lettuce, but also has the effects of sterilization, anti-inflammation and reducing blood sugar, and even can replenish the brain. Lettuce is rich in vitamins, which can prevent gingival bleeding and vitamin C deficiency. Garlic has the effects of detoxification, stagnation and invigorating the stomach, and has a certain dietary therapeutic effect on epigastric cold pain, dysentery, diarrhea, tuberculosis, pertussis, cold, malaria and other diseases.

2. Sautéed Lettuce of the Qing Dynasty

Sautéed Lettuce in the Qing Dynasty has the functions of lettuce itself, such as analgesia and hypnosis, lowering cholesterol, auxiliary treatment of neurasthenia, diuresis, promoting blood circulation, antivirus and so on.

3 、 Sautéed Lettuce in Oyster Sauce

Oyster sauce is not oily, but in the processing of oyster sauce (also known as Mu Li), the remaining soup of oyster sauce is boiled, which is filtered and concentrated. It is a delicious seasoning with a variety of nutrients. Therefore, Sautéed Lettuce in Oyster Sauce can not only reduce blood lipids, blood pressure, blood sugar, promote intellectual development and anti-aging, but also can diuresis, promote blood circulation, anti-virus, prevention and treatment of heart disease and liver disease.

4. Lettuce and tofu

Lettuce paired with nutritious tofu is a high-protein, low-fat, low-cholesterol, multi-vitamin dish with the functions of clearing liver and gallbladder, nourishing yin and kidney, whitening skin, losing weight and bodybuilding. It also has a certain dietotherapy effect on eye swelling and pain, lung heat cough, thirst, spleen deficiency and abdominal distension, etc., while mushrooms are rich in proteins that are easy to be absorbed by the human body, and have strong nourishing effects, such as tonifying spleen and qi, moistening dryness and resolving phlegm, and can be used with lettuce. It has a certain dietotherapy effect on hot cough, phlegm, chest tightness, vomiting and diarrhea.

What are the advantages and disadvantages of eating lettuce raw

What's the advantage of eating raw lettuce?

1. Good taste

Eating raw lettuce is crisp and delicious, refreshing and pleasant.

2. Rich in nutrition

Eating raw lettuce is more nutritious than cooked lettuce, which will certainly destroy the nutrients in vegetables.

3. Nutrients should not be destroyed.

Most vegetables contain an immune substance-interferon inducer, which acts on interferon genes in human cells and has the effect of inhibiting human cell carcinogenesis and anti-virus infection. And this "interferon inducer" can not withstand high temperature, only raw vegetables can play its role.

What's the harm of eating lettuce raw?

1. Infect parasites

If there are more Rain Water in the growth process of lettuce, the chance of being infected with parasites will increase a lot. Ordinary cleaning is very difficult to remove parasites, but it is invisible to the naked eye. In addition, lettuce is mostly eaten raw, and the more lettuce is eaten, the higher the risk of parasite infection.

2. Damage the liver.

Lettuce is easy to be eroded by insects in the process of growth, therefore, spraying pesticides in the planting process is inevitable, and it is difficult to wash off all the pesticides in lettuce cleaning. If you eat too much light, it will damage the liver and kidney, and may even cause pesticide poisoning.

Points for attention in eating lettuce

1. Eating raw lettuce has a certain stimulating effect on the stomach and intestines, therefore, people with spleen and stomach deficiency and cold, poor gastrointestinal digestion function are not suitable to eat raw.

2. Although raw lettuce tastes delicious, it is not very safe. Therefore, it is best to treat lettuce with boiling water to avoid parasite infection.

Time: 2019-03-17 Click: