Polygala is a conventional bulk medicinal material that has been widely marketed on the medicinal market. In recent years, with the reduction of wild resources, the area of ​​Polygalaceae has not reached a large area. As a result, local markets have increased their prices, and the current market price is RMB 120-130/kg. , Three or four levels of 90-110 yuan / kg, Polygalaceae meat 48-55 yuan / kg, full Polygaloid 28-34 yuan / kg.
Polygala plant height 30-40 cm, very adaptable, distributed throughout the country, with northwest, north, northeast for more cool, hi-temperature, drought, the general soil can grow, grow in low-lying water plots bad.
The main points of cultivation and management are as follows:
1. Land preparation. The land should be ploughed and ploughed thoroughly. After cultivating, the hoe shall be hoeed and the hoe shall be of a self-determined size. Then the hoe shall be watered, and the hoe shall be ploughed out of the floating soil to prepare for sowing.
2. Seed treatment. After 12 hours of bubbling, remove and mix with 2 times the volume of wet sand, put it in a cool place, keep the humidity, stir once a day, do not get stuffy, and then sow seeds with buds and then sow. Be careful not to sow seeds directly. High temperature can be broadcast live. The average seed use 3 kg.
3. Seeding method. Polygala can be planted in the spring, summer and autumn seasons. It is better to plant the rainy season in dry areas. When sowing, the spacing is 21-24cm, and the depth of the ditch is 1-1.5cm. After the seeds are sown, lightly step on them or cover with wheat stubble to protect them.
4. Management. Pay attention to multiple fertilization and phosphorus and potassium fertilizers. Spray rhizome auxin 2-3 times during the growth period. Polygala is generally free from pests and diseases. Pay attention to weeding.
5. Harvest. Polygala tenuifolia grows for 2-3 years, with dense planting higher than that of sparse planting and producing 150-250 kilograms per mu. Generally harvested at the end of autumn, dried herbs are herbs. Pay attention to the rough core processing into a tube, a small one without processing.
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