The peony is known as white peony root, peony root, peony root, chuanxiong and so on. It is a perennial herb of the Ranunculaceae family and it is large and beautiful. Its root medicine has the effect of suppressing liver yang, accumulating yin and nourishing blood, and reducing sweat. Its cultivation techniques are as follows: 1. Site-based fertilization. Choose thick soil layer, low groundwater level, well-drained, loose and fertile sandy loam fields. Spread 3000-4000 kg of high-quality organic fertilizer and 50-60 kg of ternary compound fertilizer as basic fertilizer per acre evenly. Second, breed breeding. The propagation of peony drugs includes methods such as partial root propagation and seed propagation, and the method of partial root propagation is used for production. In the autumn, with the help of prickly peony, we select the peony plants with even thick roots and long, thick top buds and no pests. Cut large roots with a diameter of 0.5 cm or more into medicine, leaving the root clusters with buds (also known as steamed buns) for seed use. . The bud heads to be used for seeding are divided into pieces according to size and natural growth shape (also called axillary buds), and each piece is preferably accompanied with 2 to 3 thick shoots and 2 cm in thickness. The axillary buds per acre root can be planted 3-5 acres of Daejeon. Axillary buds should be planted along with cuttings. If it is not finished for a moment, the axillary buds can be stored in a 20-cm-thick wet sand pit. Third, planting. It is generally planted from late August to September. It should be late as early as possible and no later than late October. Otherwise, axillary buds will have new roots, which will affect the yield and quality of peony. In order to emerge neatly and manage easily, axillary buds should be planted by size according to their size. Planting line spacing 50 cm 30 cm, hole depth 12 cm, diameter 20 cm; inside the hole, pour enough water first, after the water infiltrate, lay 4 cm thick mature manure at the bottom of the hole. Cover it with 4 cm thick soil and compact it. The shoot buds were placed in the middle of the hole with the tip pointing upwards, and 1-2 buds were placed in each hole. After planting, each hole is 10-15 cm high. Antifreeze water must be poured before wintering. Fourth, weeding and weeding. After thawing the soil in early spring of the following year, remove the earth in time, and loosen the earth to protect the seedlings. Within 2 years after the seedlings are unearthed, weeding and weeding should be carried out 3-4 times a year; after that, weeding should be carried out 4 to 6 times each year after the plants sprout to the ridges. In summer drought should be protected by cultivating crops; winter combined with cultivator for a comprehensive clearing of the garden to reduce pests and diseases. Fifth, fertilizer and water operations. Peony is a fertilizer crop. In addition to applying base fertilizer, from the 2nd year after planting, fertilizer should be topped 3 times a year; after the first time in mid-March, after cultivating and weeding, the amount of livestock manure water per acre is 1500---2000 kg; the second and third times In May and July, each time, the amount of livestock manure water 1500 kg per mu, cake fertilizer 25-30 kg, or ternary compound fertilizer 40--60 kg. The peony herb is dry and irritated. Generally it does not require watering. It only needs to be irrigated once in a severe drought. The ditch must be drained during the rainy season, otherwise it will cause roots to rot and the whole plant to die after 6 hours of flooding. Sixth, cut flowers to buds. Medicinal herbs bloom in the third year after planting. After flowering, in addition to planting plants, the buds of the first bud were gently cut from the base of the stem at the end of April to the beginning of May, and were used for flower cutting or cut flowers to facilitate the concentration of nutrients for root growth. VII. Pest control. The diseases and insect pests that endanger the expectorants are gray mold, rust, soft rot, beak, and small tiger. Gray mold may be treated with metalaxyl, Bordeaux fluid, etc.; rust may be controlled by triadimefon, diazolone, and enemy force; soft rot may be treated with agricultural streptomycin, mancozeb, Garrinone, etc.; Ground tigers and Other drugs with methyl isophosulfate, phoxim, carbofuran, etc. Irrigation or Shun ridge application control. Eight, harvest. In the eighth to the ninth month after the fourth year of planting, the old roots of the herbs were picked on sunny days. During harvesting, the plants' stems and leaves are cut first, then the whole roots are excavated, the soil is removed, and the main and lateral roots are cut and processed.
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