Objective To study the effects of seed bud level,seed bud disinfection,planting time,planting density,planting depth,bud removal,fertilization and pest control on the yield and quality of Scrophularia. Methods The HPLC method was used to determine the content of the target components of scrophularin,saponin and habagrein,and the yield of Scrophulariae Radix was compared. Results Scrophulariae Radix was planted with first - class buds after disinfection,planted in December,planting density 40cm × 50cm,planting depth 5 ~ 15cm,buds after buds,fer...