Abstract
Angelica acutiloba Kitagawa was immigrated to Vietnam in 1990 and Salvia mitiorrhiza Bunge was immigrated to Vietnam in the 1960s from China. Currently, both herbs are grown and developed in various places. They are precious medicinal plants, are important medicinal plants in many traditional medicines. Research results show that tuber diameter is 0.79cm, tuber length is 27.8cm, yield is 68.8g/plant or Salvia mitiorrhiza Bunge; reached 1.80cm in tuber diameter, 19.0cm in tuber length and yield is 16.0g/ plant for the Angelica acutiloba Kitagawa. The main diseases on Salvia mitiorrhiza Bunge are root rot in an extremely common level; for Angelica acutiloba Kitagawa plants, root rot did not appear, but pests mainly included small snails and leaf folders, with a low degree of prevalence. In general, the growth and development ability of these two species are completely suitable with the soil and climate conditions in Na Hang district as well as other localities with similar conditions.
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