Soil parameters | Soil depth (cm) | ||||||
---|---|---|---|---|---|---|---|
0–15 | 15–30 | 30–45 | 45–60 | 60–75 | 75–90 | 90–100 | |
Total N (mg g−1) | 0.13 | 0.08 | 0.03 | 0.04 | 0.03 | 0.02 | 0.03 |
Available P (mg kg−1) | 12.70 | 6.54 | 3.43 | 2.04 | 1.72 | 1.5 | 0.91 |
Available K (mg kg−1) | 180 | 130 | 100 | 120 | 94 | 84 | 73 |
pH | 5.05 | 5.61 | 5.71 | 5.78 | 5.86 | 6.03 | 6.12 |
Ca (cmol (+) kg−1) | 4.2 | 5.0 | 4.3 | 3.9 | 3.8 | 3.7 | 3.7 |
Mg (cmol (+) kg−1) | 1.8 | 1.6 | 1.4 | 1.4 | 1.6 | 1.9 | 1.2 |
ECEC (cmol (+) kg−1) | 6.5 | 8.2 | 5.3 | 5.7 | 6.3 | 6.6 | 6.1 |
K (cmol (+) kg−1) | 0.3 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.2 |
Organic C (%) | 1.1 | 0.7 | 0.5 | 0.5 | 0.4 | 0.4 | 0.3 |
BS (%) | 96.4 | 98.4 | 97.6 | 97.7 | 98.3 | 98.4 | 98.4 |
Bulk density (g cm−3) | 1.50 | 1.55 | 1.54 | 1.54 | 1.44 | 1.50 | 1.40 |
Sand (%) | 62.7 | 60.5 | 59.8 | 45.9 | 34.1 | 29.5 | 29.4 |
Silt (%) | 33.2 | 33.4 | 33.1 | 37.5 | 38.8 | 42.5 | 41.5 |
Clay (%) | 4.1 | 6.1 | 7.1 | 16.6 | 27.1 | 27.1 | 29.1 |