Table 2 Physical and chemical properties of soil horizons in the forest and in the forest gap (according to the Soil Survey Staff 2010)
Soil profile | Horizon | Depth (cm) | Structure | Colour | pH (CaCl2) | CaCO3 (%) | OM (%) | Clay (%) | Sand (%) | Silt (%) | Texture |
|---|---|---|---|---|---|---|---|---|---|---|---|
Tree 1 | A | 0–9 | gr | 10YR3/2 | 6.5 | 1.0 | 7.4 | 36 | 5.6 | 58 | SiCL |
|  | Bw1 | 9–50 | 2msbk | 10YR4/3 | 7.2 | 26.0 | 3.1 | 61 | 2.9 | 36 | C |
|  | Bw2 | 50–80 | 2msbk | 7.5YR3/3 | – | – | – | – | – | – | – |
|  | Bt | 80–120 | 2cabk | 7.5YR3/3 | – | – | – | – | – | – | – |
Tree 2 | A | 0–8 | gr | 10YR4/2 | 6.7 | 1.0 | 6.2 | 28 | 13.8 | 58 | SiCL |
|  | Bw | 8–40 | 2fabk | 7.5YR4/3 | 6.9 | 30.0 | 3.4 | 52 | 13.8 | 34 | C |
|  | Bt | 40–89 | 2mabk | 5YR3/3 | – | – | – | – | – | – | – |
|  | Bss | 89–130 | 3cpr | 7.5YR3/3 | – | – | – | – | – | – | – |
Tree 3 | A | 0–5 | gr | 10YR3/2 | 6.6 | 5.5 | 6.7 | 31 | 11.0 | 58 | SiCL |
|  | Bg1 | 5–38 | 1fabk | 7.5YR4/4 | 6.5 | 13.0 | 2.2 | 59 | 2.8 | 38 | C |
|  | Bg1 | 38–70 | 2mabk | 7.5YR3/3 | – | – | – | – | – | – | – |
|  | Bg2 | 70–100 | 2cabk | 5YR3/3 | – | – | – | – | – | – | – |
|  | Bt | 100–130 | 3cabk | 5YR3/3 | – | – | – | – | – | – | – |
Tree 4 | A | 0–5 | gr | 10YR3/2 | 6.6 | 5.5 | 8.2 | 31 | 11.0 | 58 | SiCL |
|  | Bw | 5–45 | 3msbk | 7.5YR4/3 | 6.9 | 28.5 | 3.2 | 26 | 5.6 | 32 | C |
|  | Bt1 | 45–90 | 3csbk | 2.5YR3/3 | – | – | – | – | – | – | – |
|  | Bt2 | 90–120 | 2mabk | 5YR4/4 | – | – | – | – | – | – | – |
Tree 5 | A | 0–8.5 | gr | 10YR3/3 | 7.2 | 12.5 | 6.7 | 33 | 11.0 | 56 | SiCL |
|  | Bw | 8.5–37 | 2msbk | 10YR4/3 | 6.9 | 25.5 | 2.8 | 60 | 8.3 | 32 | C |
|  | Bt1 | 37–75 | 3cabk | 7.5YR4/3 | – | – | – | – | – | – | – |
|  | Bt2 | 75–130 | 3cabk | 7.5YR4/3 | – | – | – | – | – | – | – |
|  | Bk | 130–170 | 2mabk | 10YR4/4 | – | – | – | – |  | – | – |
Open area | A | 0–10 | gr | 10YR3/2 | 7.7 | 23.0 | 2.0 | 30 | 16.5 | 54 | SiCL |
Bw1 | 10–45 | 2mabk | 7.5YR4/3 | 7.8 | 30.0 | 1.6 | 50 | 13.8 | 36 | C | |
|  | Bw2 | 45–85 | 2mabk | 7.5YR4/3 | – | – | – | – | – | – | – |
|  | Bw3 | 85–115 | 3mabk | 2.5YR4/3 | – | – | – | – | – | – | – |
|  | Bw4 | 115–160 | 1cabk | 5YR4/3 | – | – | – | – |  | – | – |