1. Main appliances: water tank, sand basin, bamboo basket, clothes rack (the clothes rack is required to be placed in a place with sufficient light and good ventilation, and the shelf board is above 40 cm from the ground, and the shelf board is covered with sand net, which is convenient for ventilation and rapid drying. )
2. What kind of leaves to pick: From the end of March to the beginning of 10, when the high-calcium nutritious vegetables grow to a height of more than 20 cm, you can pick the yellow leaves and tender stem tips in the middle and above, you can pick the leaves directly from the plant, or you can cut off the main stem from the middle to get the leaves. The main stem can be used as food or as cutting propagation material. 3. Leaf picking time: choose sunny days. Try to concentrate on picking leaves before and after sunrise, and pay close attention to processing at any time, so that it can be dried on the same day, otherwise the quality will drop and it will not be dried in rainy days. You can also pick leaves the afternoon before and put them in a basket. Don't squeeze it. It will be processed around sunrise the next day.
4. Rinse: put the picked leaves into a water tank to wash away the dust and impurities on the leaves.
5. Air drying: Put the washed leaves into a sand basin and rub them with both hands to destroy the waxy layer on the surface. When a small amount of water drops come out, put it on the air drying rack and spread it evenly, with a thickness of about 2 cm. When the surface moisture is dry, directly rub and squeeze it on the air drying rack with both hands, and then repeat the above operations until the surface is dry. Repeat this operation for 4-5 times, and squeeze the internal water hard.
Turn it over to dry and make tea when it doesn't drip out. If you don't do it that day, do it again the next day until it is completely dry.
6. Storage: sealed container, moisture-proof storage. About a month, choose a sunny day to dry. Generally 16- 18 kg fresh leaves 1 kg tea. Tea is thick in gum, yellow-green, fragrant and palatable, full of energy after drinking, and its appetite doubles. Because it contains high concentration of sitosterol, flavonoids, oleanolic acid, sedge, vitamins and inorganic salts needed by human body, it can effectively treat and prevent hypertension, coronary heart disease, coronary heart disease and so on.
Healthy drinking method: once a day, 5-7 grams each time, brewed with boiling water. Drink it half an hour after breakfast or lunch, or drink it with sugar, which tastes better and can relieve headaches.
Treatment and drinking method: mainly used for patients with hypertension, with 5-7 grams of high-calcium Yangxin tea, three times a day. You can also use 5 grams of Chrysanthemum morifolium or 5 grams of Salvia Miltiorrhiza, brewed with 500 ml of boiling water, and take it half an hour after meals. Soak the second juice in 300-400 ml boiling water for 7-8 days as a course of treatment, and take it after stopping taking medicine 1-2 days. After 2-3 courses of treatment, the curative effect is remarkable, and the dosage is reduced, so it is a health-care drinking method. Some patients' blood pressure drops below normal, so they should take jujube ginseng soup to make their blood pressure return to normal, or stop taking medicine for 2 days. Patients should gradually reduce the dosage of Chinese and western medicines when taking high-calcium Yangxin tea. In severe cases, only high-calcium heart-nourishing tea can be used as adjuvant therapy to avoid delaying the illness.
Benefits of planting: high-calcium vegetables have strong adaptability and are not limited by soil and climate. They can be planted all over the country and are easy to live and manage. Generally, cuttage propagation is adopted, and people can live in greenhouses in spring, summer, early autumn and winter, and the survival rate is as high as 99%. Sowing in the same year, harvesting in the same year, and entering the rich period in the following year. High-calcium vegetables can be planted once, and fresh stems and leaves can be harvested continuously for 20 years, just like leeks, which grow with the insertion. Underground tuber is a valuable Chinese herbal medicine. If cultivated in protected areas, fresh vegetables will still be picked in winter. Patients with cardiovascular and cerebrovascular diseases at home can take it all year round as long as they cultivate more than 20 pots of high-calcium vegetables. The output value per mu is 40,000 to 50,000 yuan. After large-scale promotion in the future, the output value per mu can reach 8000 yuan according to the calculation of per kilogram 1 yuan.
Development prospect: With the increase of patients with hypertension and heart disease worldwide and the enhancement of human health care consciousness, it has become the inevitable development of the times to plant nutritious and health-care vegetables with high calcium and nourishing the heart. In addition, high-calcium vegetables are easy to grow and manage, with high yield, high income and quick effect, and are new specialties in the current rural industrial adjustment. Vegetables with high calcium content have many advantages, such as low investment, quick response, easy management, high yield, pest resistance, storage and transportation resistance, one-time investment for ten years, good palatability and various eating methods. They are pure green pollution-free foods, and no chemical fertilizers and pesticides are used in the planting process. Regular consumption of high-calcium vegetables has many health-care functions, such as beauty beauty, delaying aging, being full of energy, obviously calming down and enhancing immunity. It is the best choice for children and middle-aged and elderly people to supplement calcium. Modern people are trying to eat healthy and long-lived food. The appearance of high-calcium vegetables meets people's requirements and has a very broad sales market.