Harvest and processing of Panax notoginseng
It can be harvested after planting for more than three years. Panax notoginseng harvested from July to August is called "spring Panax notoginseng". The quality and yield of Panax notoginseng harvested after bolting is the best, while that of Panax notoginseng harvested from December to January of the following year is called "winter Panax notoginseng" with poor quality and low yield.
After digging, remove the stems from the ground and wash the soil. After cutting off the Reed head (sheep's intestinal head), branch root and whisker root, it is called "head". The boss will be repeatedly insolated and rubbed to make it tight until it is completely dry, that is, "wool". Then put the wool goods into the sack and add rough bran or rice back and forth to make the appearance brown and black bright, that is, the finished product.
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Breeding methods of Panax Notoginseng
Seed propagation is mainly used to raise seedlings and transplant. 1. The seeds of 3-year-old plants with strong growth and free of diseases and insect pests were generally selected for seed treatment. When the fruit of ll~ was ripe in December, the seeds were collected and washed and sown in time, because the germination rate decreased greatly after the seeds were stored for a week. Before sowing, disinfect 10min with 0.2-0.3 Baumetolite-sulfur mixture, or disinfect 15min with 200-300-fold zinc, and then sow seeds. 2. Sowing and raising seedlings 2-3 months before planting, the selected land should be ploughed many times to make the soil available.
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Angelica rotundus
First, character family: umbelliferae characteristics, alias: lover parsley most of these plants are perennial in the eastern Mediterranean, up to 2 meters high, dark green leaves, large and celery-scented leaves, deep hollow stems, serrated edges. Small yellowish green flowers bloom in summer. Sow seeds in autumn, ie the germination rate is low. Fully sunny or semi-shaded, fertile, moist but well drained soil. Second, cultivation techniques: the sandy loam or deep loam with adequate sunshine and good ventilation and good drainage is better. Seed direct seeding, 2-3 per hole
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