Soil indexes

pHKCl

Clay

g∙kg−1

SOC

g∙kg−1

Free Fe2O3

g∙kg−1

H+

cmol (+) kg−1

Al3+

cmol (+) kg−1

Exchangeable base

cmol (+) kg−1

Mean

3.81

413

11.01

52.27

0.25

5.29

2.47

S.D.

0.22

102

8.85

29.50

0.41

2.93

2.14