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Table 3 BC horizon characteristics
| Region | Site type by Cajander | Proportion of particles <0.002 | pH | Total content (g∙kg−1) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CaCl2 | H2O | C | N | Ca | Mg | K | Na | Al | Fe | |||
| Karelia, northern taiga | 3 | 1.49* | 4.9 | 5.3 | 3.2 | 0.1 | 17.0 | 8.0 | 9.3 | 14.0 | 38 | 17 |
| 0.13** | 0.1 | 0.2 | 0.8 | 0.0 | 1.0 | 1.0 | 0.5 | 1.0 | 3 | 2 | ||
| 4 | 1.57 | 5.0 | 5.7 | 4.5 | 0.1 | 17.0 | 6.0 | 8.7 | 14.0 | 42 | 18 | |
| 0.14 | 0.1 | 0.1 | 1.1 | 0 | 1.0 | 0 | 0.3 | 0 | 1 | 1 | ||
| 5 | 1.57 | 4.5 | 5.5 | 10.1 | 0.1 | 15.0 | 16.0 | 12.0 | 11.0 | 45 | 31 | |
| 0.02 | 0.6 | 0.3 | 2.3 | 0 | 4.0 | 11.0 | 2.5 | 5.0 | 8 | 21 | ||
| 6 | nd | 5.2 | 6.0 | 0.4 | 0.1 | 14.0 | 6.0 | 11.5 | 16.0 | 34 | 12 | |
| Karelia, middle taiga | 1 | 2.74 | 4.6 | 4.8 | 3.5 | 0.1 | 15.0 | 17.0 | 9.7 | 11.0 | 38 | 25 |
| 1.70 | 0.2 | 0.9 | 1.6 | 0.1 | 1.0 | 7.0 | 0.4 | 0 | 1 | 4 | ||
| 2 | 1.06 | 4.4 | 5.1 | 8.7 | 0.1 | 12.0 | 9.0 | 9.8 | 11.0 | 36 | 21 | |
| 0.13 | 0.2 | 0.3 | 1.6 | 0 | 1.0 | 1.0 | 0.5 | 1.0 | 1 | 5 | ||
| 3 | 1.30 | 4.6 | 5.4 | 7.4 | 0.1 | 12.0 | 9.0 | 10.8 | 12.0 | 38 | 17 | |
| 0.24 | 0.1 | 0.1 | 1.6 | 0 | 1.0 | 1.0 | 0.4 | 1.0 | 1 | 2 | ||
| 4 | 0.78 | 4.8 | 5.6 | 7.6 | 0.1 | 12.0 | 7.0 | 10.4 | 14.0 | 35 | 16 | |
| 0.21 | 0.1 | 0.2 | 1.8 | 0 | 1.0 | 1.0 | 0.4 | 1.0 | 1 | 3 | ||
| 5 | 0.37 | 5.1 | 5.8 | 1.0 | 0.1 | 12.0 | 3.0 | 11.0 | 15.0 | 32 | 11 | |
| Karelian Isthmus, middle taiga | 2 | 0.82 | 5.0 | 5.3 | 2.9 | 0 | 11.0 | 6.0 | 13.2 | 9.0 | 36 | 22 |
| 0.19 | 0.1 | 0.1 | 0.6 | 0 | 3.0 | 1.0 | 0.7 | 1.0 | 3 | 6 | ||
| 3 | 1.37 | 5.1 | 5.4 | 5.6 | 0 | 9.0 | 5.0 | 15.0 | 9.0 | 39 | 16 | |
| 0.40 | 0.1 | 0.1 | 1.7 | 0 | 0.0 | 1.0 | 0.6 | 0 | 1 | 1 | ||
| 4 | 0.29 | 5.4 | 5.6 | 1.7 | 0 | 9.0 | 3.0 | 15.8 | 10.0 | 39 | 14 | |
| 0.08 | 0.2 | 0.1 | 0.6 | 0 | 1.0 | 1.0 | 1.2 | 1.0 | 3 | 4 | ||
| 5 | nd | 5.5 | 5.6 | 2.0 | 0 | 9.0 | 3.0 | 20.3 | 14.0 | 39 | 12 | |
