Table 2.
Baseline soil properties measured at the two experimental sites.
| Unit | Brooms Barn | Harpenden | |||||
|---|---|---|---|---|---|---|---|
| 0–23 cm | 23–60 cm | 60–100 cm | 0–23 cm | 23–60 cm | 60–100 cm | ||
| Soil organic carbon | % | 0.89 | 0.43 | 0.25 | 1.66 | 0.93 | 0.39 |
| Total N | g kg−1 | 0.92 | 0.49 | 0.30 | 1.56 | 1.01 | 0.58 |
| Olsen P | mg kg−1 | 23.6 | 10.1 | 5.8 | 29.8 | 12.7 | 3.6 |
| Exchangeable K | mg kg−1 | 89.6 | 46.4 | 55.8 | 188.0 | 161.3 | 120.9 |
| Exchangeable Mg | mg kg−1 | 37.0 | 32.7 | 47.8 | 82.0 | 69.1 | 50.0 |
| Exchangeable Mn | mg kg−1 | 4.9 | 3.4 | 0.5 | 10.3 | 2.8 | 0.7 |
| Exchangeable Ca | mg kg−1 | 1292.4 | 1552.0 | 2403.8 | 2398.0 | 3054.0 | 4123.8 |
| pH | - | 7.13 | 7.52 | 7.86 | 7.30 | 7.69 | 7.90 |