96 



SO 



70 



? 



50 



40 

 S 



(ppm) 



30 



20 



10 



A1 



| J Total S 



Extractable sulfate S 



A2 



C1 



C2 



C3 







50 1 00 1 50 



Horizon depth (cm) 



2C0 



Fig. 



Mean distribution of total and extractable sulfate 

 sulfur in ten Florida Entisols. 



