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Table 3 BC horizon characteristics

From: Associations between forest vegetation and the fertility of soil organic horizons in northwestern Russia

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
  1. * - mean, ** - standard error