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 |