Pot experiment was conducted to study the effects of different Cd concentrations on seedling growth and the contents of indoleacetic acid (IAA), gibbrellins (GA3), zeatin (Z) and abscisic acid (ABA) of Glycine max plant by high performance liquid chromatography (HPLC) analytical method. The results indicated that the plant height and aboveground biomass of seedlings were not affected significantly by the lower Cd concentrations(≤ 0.50 mg·kg^-1) but inhibited markedly at the higher Cd concentrations(≥ 2.50 mg·kg^-1). However, a...