| Santchou | Bandjoun | Balatchi | ||||||||||||||||
| Min. | Max. | Mean ± SE | Median | Std. Dev. | CV (%) | Min. | Max. | Mean ± SE | Median | Std. Dev. | CV (%) | Min. | Max. | Mean ± SE | Median | Std. Dev | CV (%) | |
| TN (‰)/pH-H2O | 0.002 | 0.003 | 0.003 ± 0.000 | 0.003 | 0.001 | 21.909 | 0.002 | 0.002 | 0.002 ± 0.00 | 0.002 | 0.000 | 0.00 | 0.004 | 0.006 | 0.005 ± 0.00 | 0.005 | 0.001 | 17.89 |
| Mg/K | 0.18 | 1.08 | 0.55 ± 0.17 | 0.39 | 0.41 | 75.944 | 0.12 | 3.06 | 1.07 ± 0.44 | 0.74 | 1.08 | 101.08 | 0.85 | 8.33 | 4.04 ± 1.18 | 3.89 | 2.90 | 71.81 |
| Ca/Mg | 1.73 | 19.33 | 7.77 ± 2.79 | 5.00 | 6.83 | 87.885 | 1.27 | 74.00 | 16.31 ± 11.58 | 6.15 | 28.36 | 173.86 | 0.32 | 6.86 | 2.97 ± 1.05 | 2.04 | 2.57 | 86.59 |
| (Ca + Mg)/K | 0.64 | 7.14 | 3.58 ± 0.88 | 3.32 | 2.15 | 59.960 | 2.50 | 12.40 | 6.53 ± 1.66 | 6.00 | 4.07 | 62.23 | 4.20 | 18.00 | 11.53 ± 2.45 | 11.26 | 6.01 | 52.16 |
| IF | 99.20 | 292.34 | 162.82 ± 29.21 | 145.79 | 71.56 | 43.948 | 103.85 | 161.16 | 126.80 ± 8.39 | 122.60 | 20.55 | 16.21 | 107.12 | 143.03 | 128.21 ± 5.07 | 130.73 | 12.41 | 9.68 |