A pot experiment was conducted,in which control treatment(no sulphur)and sulphur treatments were established,to study the influence of sulphur on soil pH value,the contents of available Pb and Cd in soil and biomass of Brassica chinensis.The result showed that compared to those in control treatment,soil pH obviously decreased,while the contents of available Pb and Cd increased,in all the treatments with application of sulphur within 30 days.Cd content increased with the increasing application amount of sulp...