Pinellia ternata grows three crops a year
Chinese herbal medicine Pinellia ternata can be planted three times a year. In April, harvest in July; in July, harvest in October; in October, harvest in April of the following year. The income of three crops of Pinellia ternata is more than 5000 yuan per mu.
Land selection and preparation: it is better to plant Pinellia ternata with loose and fertile soil. Combined with the application of 30005000 kg of miscellaneous fertilizer, 25kg of superphosphate and 1000 kg of plant ash per mu of soil preparation, ammonium bicarbonate can not be applied. After deep ploughing and fine raking, the bed is 1.3 meters wide, 17 centimeters high and 30 centimeters wide. Wheat, corn, sweet potato, sorghum and other crops can be intercropped in the ditch.
Sowing method: select white, disease-free tubers as seeds, generally 40 kg per mu. According to row spacing 18 cm trench sowing, plant spacing 10-15 cm, cover soil after sowing, compaction. In case of drought, water along the ditch after opening the ditch, and then sow seeds.
Field management: weeding and cultivating soil frequently. Pinellia ternata grows for about one and a half months, and when bulbs grow on the petiole, the soil begins to be cultivated. Combined with soil cultivation, topdressing phosphate fertilizer and plant ash, or potassium dihydrogen phosphate. In case of drought, small water is frequently watered and ploughed after watering. The pedicels were cut off in the late growth stage of Pinellia ternata so as not to consume nutrients and affect the growth of tubers.
Pest control: virus disease, spraying 1500 times liquid to control leaf spot and root rot, spraying 1800 times solution of carbendazim wettable powder to control; thrips and diamondback moth larvae, spraying 1000 times solution of phoxim.
Harvest and processing: ploughing and turning with ploughing, careful selection, large ones as medicine, and small ones as seeds. The medicine is first accumulated indoors for 4-5 days to make it "sweaty" in order to facilitate desquamation. Then put it in a sack, put it on a board or slate, and rub it with water while peeling. The peeled tubers are poured into a sieve, soaked in water and bleached to remove the dregs, dried and sold.
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How is the output of Pinellia ternata?
Pinellia ternata is usually propagated by tubers, which can be harvested three times a year, that is, the first harvest in April and around June 20; the second time on August 10-20 and the third time on September 10-15, that is, three times when plant buds mature and cultivate soil three times or take plant buds to plant separately, it is also a stage of growth, development and maturity of underground bulbs. However, the domestic species are usually harvested once after autumn, because Pinellia ternata continues to grow and expand the underground corms. In field management, plastic film can not only maintain soil moisture, but also increase the soil temperature by about 4 ℃.
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Cultivation techniques of Pinellia ternata
Pinellia ternata is the dry tuber of Pinellia ternata (Pinelliaternata), also known as taro, three-step jump, wild taro, is a commonly used traditional Chinese medicine, with the functions of dryness and dampness, reducing adverse reactions and stopping vomiting, eliminating ruffles and dispersing knots. Mainly produced in Sichuan, Hubei, Anhui, Jiangsu, Henan, Shandong and other provinces, of which Sichuan Province has large output and good quality. It is distributed in most parts of our country. (1) morphological characteristics of perennial herbs, plant height 15 cm ~ 40 cm. Underground tuber spherical or oblate
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