Table 2.
The ranges or values of soil properties associated with each of the 10 bins used in the BBN. Bins 1–10 correspond to the positions of the boxes indicated in Fig. 5, NA's are shown by hatched areas in Fig. 5.
| Soil property | Rank importance | Bin 1 | Bin 2 | Bin 3 | Bin 4 | Bin 5 | Bin 6 | Bin 7 | Bin 8 | Bin 9 | Bin 10 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Bulk density (g cm−3) | 1 | 0.10–0.49 | 0.40–0.60 | 0.61–0.79 | 0.80–0.89 | 0.90–0.97 | 0.98–1.09 | 1.10–1.17 | 1.18–1.21 | 1.22–1.29 | 1.30–1.54 |
| WHC (mL g−1) | 2 | 0.36–0.42 | 0.43–0.47 | 0.48–0.51 | 0.52–0.56 | 0.57–0.63 | 0.64–0.70 | 0.71–0.77 | 0.78–0.83 | 0.84–0.97 | 0.98–1.19 |
| MBC (μg g−1) | 3 | 68–169 | 170–259 | 260–299 | 300–359 | 360–399 | 400–489 | 490–599 | 600–899 | 900–1499 | 1500–2400 |
| Phenotypic PC3 | 4 | −7.8–−2.0 | −1.9–−1.1 | −1.0 –−0.17 | −0.16–−0.1 | 0 | 0.1–0.22 | 0.23–0.54 | 0.55–1.0 | 1.1–1.6 | 1.7–6.2 |
| Land use | 5 | Pasture | Other | Arable | Moorland | Forestry | Vegetables | NA | NA | NA | NA |
| Clay (%) | 6 | 0–11.9 | 12–14.9 | 15–16.9 | 17–19.8 | 19.9–21.5 | 21.6–23.9 | 24–28.9 | 29–33.9 | 34–41.9 | 42–59 |
| Silt (%) | 7 | 3–12.9 | 13–21.9 | 22–25.9 | 26–28 | 28.1–30.3 | 30.4–30.9 | 35–41.9 | 42–46.9 | 47–55.9 | 56–59 |
| Phenotypic PC2 | 8 | −8.6–−2.4 | −2.3–−1.6 | −1.5–−0.6 | −0.5–−0.1 | 0 | 0.1–0.39 | 0.4–0.59 | 0.6–0.39 | 1.4–2.29 | 2.3–6.0 |
| Ground cover (%) | 9 | 0–9 | 10–19 | 20 | 21–30 | 30 | 31–69 | 70–79 | 80 | 81–99 | 100 |
| RSG | 10 | Stagnosol | Gleysol | Podzol | Cambisol | Umbrisol | Leptosol | Luvisol | Arenosol | Planosol | Histosol |
| Phenotypic PC1 | 11 | −3.5–−2.6 | −2.5–−2.2 | −2.1–−1.8 | −1.7–−0.10 | −0.9–−0.1 | 0 | 0.1–0.59 | 0.6–1.5 | 1.6–3.5 | 3.6–6.8 |
| pH | 12 | 4.2–4.6 | 4.7–5.5 | 5.6–5.9 | 6.0–6.3 | 6.4–6.6 | 6.7–6.8 | 6.9–7 | 7.1–8 | 8.1–8.4 | 8.5–8.7 |