High-calcium vegetables, also known as high-calcium nutrition, nourishing grass, food, etc., perennial herbs, all herbs. The high-calcium vegetable leaves are thick and green, and the stalks are bright and yellow in shape, resembling the tips of the shoots, and when they ripen, they bloom bright yellow flowers. High-calcium vegetables can be used for salad, stir-fried, stewed, boiled soup, shabu-shabu, and brewed tea, and the taste is delicate and tender. The whole plant can be sun dried and used as medicine. High-calcium vegetables are extremely resistant to extreme cold, and they can safely pass winter at -30°C and grow at 5°C above zero. High-calcium vegetables are highly resistant to diseases, and do not require insecticides to spray insects. Infertile land grows vigorously and eliminates fertilizer and pesticide pollution. It is a pure, pollution-free green vegetable. High-calcium vegetables have strong adaptability, do not choose soil and climate, and can be planted all over the country, and are easy to live and manage. General use of ramets cutting propagation, spring and summer and early autumn and winter greenhouse cuttings that live, the survival rate of up to 99%. The year of planting, the harvest of the year, will enter the rich period the following year. Once the high-calcium vegetable is planted once, fresh stems and leaves can be harvested continuously for 20 years, and it resembles a long cut like amaranth. Underground root tuber is a rare Chinese herbal medicine. If facilities are cultivated, pick fresh vegetables in winter. First, high-calcium vegetable cultivation technology. 1. Site preparation and soil preparation: Sandy neutral loam is preferred. On the selected parcels, 4000 kg of fertiliser and 50 kg of compound fertilizer are planted per acre, deep plowing, smoothing, making a 2 meter wide sorghum, ridges in the middle, and a width of 30 cm deep. 30 cm. 2. Nursery colonization: High-calcium vegetables have high stress resistance and strong vitality, and it is easier to carry out cutting and seedling cultivation and management. Seeds can also be used for breeding, but generally use cutting seedlings, spring, summer, early autumn and winter greenhouses can be carried out. 3, fertilizer and water management: before planting should be enough base fertilizer, after planting fertilization should be less Shi Qin Shi, generally a monthly application of manure or watering with fertilizer applied, spread 5 kg of urea per acre, potassium dihydrogen phosphate 3 kg . Do not pick stains, watering should follow the "see dry see wet" principle, that is not dry without watering, watering must be soaked. Pay attention to trenching drainage during the rainy season. 4, weeding and weeding: Weeding and weeding several times a year, weeding at the seedling stage requires weeding. Every year, before going through the winter, returning green in early spring and after each harvest, we must focus on loosening and weeding. 5, pest control: high-calcium vegetables rarely occur pests and diseases, such as insect pests may use pyrethroids or biological pesticides as appropriate. Such as the use of flavescens insecticides to control root lice; with stem water, Chinese herbal medicine to control maggots and other enemy. Second, high calcium food temperature control. High-calcium is a perennial herb of the genus Crassulaceae, which is 25-50 cm in height and extremely resistant to extreme cold. It can safely pass winter at -30°C and grows above zero at 5°C. Therefore, there is no need to specifically control the temperature. The cultivation in the open field is 20 days before the frost fall, and the ground part is left 10 centimeters. The rest is cut off, fully irrigated, and covered with rice straw, can safely winter. In the cold regions of the North, it can also be moved into the interior soil and managed in the following spring. Protecting cultivation of winter shed films to cover grass sheds and guard against snow disasters
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