supported by the National Natural Science Foundation of China(Nos.41173027,41273027,and 40721002);the West Light Foundation of the Chinese Academy of Sciences
The analysis of stable isotopes of sulfur(δ34S) is a useful tool for identifying sources of sulfur in soils. Concentrations and sulfur(S)isotopes of water-soluble sulfate(WSS), adsorbed sulfate(AS), residual sulfur(R...