Detailed Guide to Bupleurum Cultivation: Planting Methods and Management Key Points

Bupleurum is a plant of the Apiaceae family, with its roots used medicinally. It mostly grows on hillsides, in grass thickets and clearings in forests. Currently, wild resources are being dug up less and less. Converting wild plants to domestic cultivation is the only way out.

Bupleurum prefers a warm climate, is drought-tolerant, cold-tolerant, and fears waterlogging. Loam or sandy loam soil is best. Cultivated land and sloping land in mountainous areas can be used for sowing at the appropriate time during the rainy season.

Land preparation and fertilization: apply 2-3 cubic meters of farmyard manure per mu, 100-150 kg of superphosphate, rake fine and level, and make flat beds. First water the beds, and after the water seeps down and the surface soil is loose, rake the bed surface level again, ready for sowing. Before spring sowing: 1. First mix the seeds with moist sand at a 1:2 ratio, place under low temperature conditions for 20-30 days, then sieve out for sowing; 2. Before sowing, use 40C warm water to soak the seeds for 8-10 hours, remove and put into a cloth bag or basket, place in a warm place, rinse with clean water once a day, and sow when the young sprouts begin to stir. Spring sowing is from late March to late May, slightly later in the north. On the prepared bed surface, open furrows about 1 cm deep at a row spacing of 17-20 cm, scatter the seeds into the furrows, cover with 0.5 cm of soil, press down lightly, and cover the bed surface with plastic film or weeds and other materials. Keep the bed surface moist to facilitate seedling emergence.

Field management: Before seedling emergence, keep the bed surface moist regularly to facilitate emergence. After emergence, promptly remove the plastic film, weeds and other coverings. Combine with loosening the soil and hoeing weeds, but hoe shallowly, just enough to break the surface crust. Drain water promptly during the rainy season to prevent water accumulation from rotting the roots.

Harvest and processing: Harvest in late autumn of the first year after sowing or early spring of the second year. Dig out the roots, cut off the rhizome, shake off the soil, and sun-dry for medicinal use.