Cultivation of Pinellia ternata
Climate soil like warm, humid environment, afraid of strong light, not resistant to drought. The shade tolerance is very strong, and the overwintering tuber can tolerate low temperature. It is better to choose loose and moist sandy loam for planting.
The soil preparation should be turned over in winter, and the bed should be narrow and flat after applying basic fertilizer in spring. It can also be intercropped in mulberry orchards or under high-stem crops.
Planting (1) asexual reproduction: in March, the tubers selected for planting in the previous year's harvest were planted in double grooves, with a wide row spacing of 30 cm, a narrow row spacing of 10 cm, a plant spacing of 5 cm, buds to be upward, not too deep, and a soil cover of about 3 cm thick. (2) sexual reproduction: when the flame bud withered, the seeds were mixed with wet sand and sowed in the following spring according to the row spacing of 10-12 cm. They were dug up in autumn for planting in the field, or they could not be harvested until the third year.
Field management of Pinellia ternata likes fertilizer, the amount of base fertilizer should be large, and topdressing is mainly carried out in the middle stage of growth, so as to facilitate the development and hypertrophy of tubers. In the early stage, 10 kg of ammonium sulfate was applied per mu, and rotten bran cake fertilizer and manure were applied in the middle stage, but no fertilizer was applied in the later stage. In the middle stage of production, attention should be paid to weeding and soil cultivation, and buds should be removed when bolting and flowering, so as to promote the growth of underground tubers.
Diseases and insect pests control diseases include root rot, excessive stagnant water should be eliminated and 100 ∶ 2 lime and copper sulfate powder should be used to spread on the planting ground. Pests include green insects, which can be controlled by trichlorfon.
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The key to the success of planting Pinellia ternata lies in the selection of land.
The drought of traditional Chinese medicine has become popular in the national traditional Chinese medicine market for many years, and its sales are not declining. But some people are not successful, one of the important reasons is that Pinellia ternata can not grow at all or grow poorly in some places. The loss outweighs the gain when planted in clayey or alkaline soil, planting 50kg bulbs and harvesting no more than 100kg. Poor growth or even no harvest in mountainous areas or areas with lack of water. In fact, dry Pinellia ternata is most afraid of drought and likes to be wet, like to grow in sandy or sandy soil, to have better water conservancy conditions. This breed belongs to semi-shade.
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Standardized cultivation techniques of Pinellia ternata
Pinellia ternata is the peeled and dry tuber of Pinellia ternata, a perennial herb of Araceae, alias Pinellia ternata, Pinellia ternata, Pinellia ternata and Taro. It has the effect of dryness and dampness and resolving phlegm, reducing adverse events and stopping vomiting, eliminating ruffles and dispersing knots. The main treatment of phlegm cough and asthma, wind-phlegm vertigo, vomiting nausea, epigastric tightness, plum nuclear qi and so on. 1. Characteristic Pinellia ternata is a perennial herb with a height of 15cm to 40cm. Underground tubers oblate or globose, 1-3 cm in diam. Leaves arise from the top of tubers, and seedlings often have simple leaves and ovate hearts.
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