Effects of microelements fertilizer ratio on growth of aconite daughter root Effects of microelements fertilizer ratio on growth of aconite daughter root Difference evaluation of three kinds of root of Aconitum carmichaelii in Sichuan based on UPLC analysis of six alkaloids and chemometrics Analysis on characteristic constituents of crude Aconitum carmichaelii in different regions based on UPLC-Q-TOF-MS