Cultivation techniques of Radix Bupleuri

Bupleurum is a plant of Umbelliferae with medicinal roots. It grows on hillsides, grasses and forest gaps. At present, there are fewer and fewer wild resources. Changing into a wild breed is the only way out.

Chaihu Xi warm climate, drought-resistant, cold-resistant, afraid of waterlogging. Loam or sandy loam is the best soil. The cultivated land and sloping land in the mountain area can be used to sow seeds in the rainy season. 

Soil preparation and fertilization, the application of soil fertilizer 2-3 cubic meters, 100-150 kilograms of superphosphate, rake fine leveling, to make a flat bed. First water the border, wait until the water seeps down and the topsoil is loose, and then hold the border flat for sowing. Before spring sowing, 1. Mix the seeds with wet sand at 1:2, then treat them at low temperature for 20-30 days, and then screen out for sowing. 2. Soak the seeds in 40 C warm water for 8-10 hours before sowing, remove them into cloth bags or baskets, put them in a warm place, and wash them in clean water once a day, waiting for the buds to germinate and sow. Spring sowing is from late March to late May, a little later in the north. On the finished border surface, according to the row spacing of 170cm, open a ditch about 1cm deep, sow the seeds into the ditch, cover the soil 0.5cm, slightly suppress, cover the border surface with plastic film or weeds and other things. Keep the border moist to facilitate seedling emergence.

Field management always keep the border moist before emergence to facilitate seedling emergence, and remove mulch or weeds in time after emergence. Combined with loose soil and weeding, but to shallow hoe, in order to cut the land as the degree. Timely drainage in the rainy season to prevent stagnant water from rotting roots.

After harvest, processing and sowing, the roots were harvested at the end of autumn in the first year or at the beginning of spring in the second year, and the roots were cut off and shaken to clean the soil and dried for medicine.