Table 5 Relation between mean SOC and PSC index. One way ANOVA (post hoc. Tukey's test)

Strong SOC

10,9769*

11,0405*

12,6360*

13,6467*

11,8765*

Fairly strong SOC

12,561*

12,2895*

14,4248*

14,5226*

13,3998*

Fairly weak SOC

13,77657*

13,3457*

15,5086*

15,7556*

14,5682*

Weak SOC

14,91213*

14,9742*

16,9412*

17,9848*

16,4466*