Table 17. Correlation coefficients of some soil properties 

 with extractable and total sulfur in Florida 

 Ultisols. 



104 









Extractable 



s 





Total 



§ 

 S 



Soil property 



n 



r 



j 



n 



r 



i 







Surface 



Horizons 









Soluble Al 



15 



0.89 



0.0001 



15 



0.73 



0.0019 



Soluble Fe + 



15 



0.88 



0.0001 



15 



0.69 



0.0045 



+ 

 Gibbsite T 



10 



0.89 



0.0006 



10 



0.75 



0.0122 



Clay fraction 



26 



0.75 



0.0001 



25 



0.59 



0.0018 



Organic C 



25 



0.50 



0.0102 



24 



0.85 



0.0001 



Total N 



18 



0.61 



0.0073 



17 



0.90 



0.0001 







Subsurface Horizons 







Gibbsite^ 



13 



0.79 



0.0014 



13 



0.67 



0.0128 



Horizon depth 



36 



-0.60 



0.0001 



36 



-0.51 



0.0014 



± 

 Kaolinite ' 



13 



-0.59 



0.0328 



13 



-0.50 



0.0849 



Organic C 



30 



0.59 



0.0006 



30 



0.51 



0.0041 



t 



Citrate dithionite soluble. 



§ 



Percent in clay fraction. 



n = number of samples; r = correlation coeffic 

 nificance level. 



lent; a = sxg- 



