Attributes | Gazipur | Rangpur | Rajshahi | Barisal | Comilla | Habiganj | ||||||||||||
Soil depth (cm) | 20 | 40 | 60 | 20 | 40 | 60 | 20 | 40 | 60 | 20 | 40 | 60 | 20 | 40 | 60 | 20 | 40 | 60 |
WP (vol., frac.) | 0.29 | 0.29 | 0.28 | 0.09 | 0.08 | 0.06 | 0.23 | 0.17 | 0.15 | 0.24 | 0.24 | 0.22 | 0.26 | 0.25 | 0.24 | 0.26 | 0.25 | 0.24 |
FC (vol., frac.) | 0.45 | 0.43 | 0.40 | 0.28 | 0.22 | 0.26 | 0.41 | 0.35 | 0.35 | 0.44 | 0.44 | 0.44 | 0.41 | 0.39 | 0.38 | 0.41 | 0.39 | 0.39 |
Porosity (vol., frac.) | 0.50 | 0.50 | 0.49 | 0.48 | 0.46 | 0.40 | 0.48 | 0.49 | 0.44 | 0.49 | 0.48 | 0.48 | 0.46 | 0.47 | 0.47 | 0.46 | 0.47 | 0.47 |
Ks (cm/hr) | 0.32 | 0.35 | 0.32 | 1.10 | 0.89 | 0.81 | 0.15 | 0.48 | 0.48 | 0.15 | 0.14 | 0.14 | 0.17 | 0.19 | 0.19 | 0.29 | 0.21 | 0.19 |
BD (g/cc) | 1.35 | 1.34 | 1.35 | 1.39 | 1.41 | 1.52 | 1.29 | 1.42 | 1.42 | 1.26 | 1.30 | 1.31 | 1.36 | 1.35 | 1.35 | 1.34 | 1.35 | 1.35 |
OC (%) | 0.72 | 0.60 | 0.38 | 0.45 | 0.37 | 0.20 | 1.18 | 1.10 | 0.90 | 0.90 | 0.70 | 0.40 | 0.54 | 0.31 | 0.29 | 0.74 | 0.31 | 0.21 |
Clay (%) | 48.0 | 48.0 | 47.0 | 17.0 | 8.0 | 5.0 | 60.0 | 35.0 | 37.0 | 34.0 | 36.0 | 34.0 | 46.0 | 44.0 | 42.0 | 45.0 | 44.0 | 42.0 |
Silt (%) | 47.0 | 46.0 | 47.0 | 51.0 | 37.0 | 15.0 | 27.0 | 30.0 | 30.0 | 59.0 | 58.0 | 56.0 | 42.0 | 41.0 | 40.0 | 43.0 | 41.0 | 40.0 |
Total N (%) | 0.07 | 0.06 | 0.04 | 0.04 | 0.03 | 0.02 | 0.15 | 0.12 | 0.10 | 0.09 | 0.07 | 0.04 | 0.05 | 0.03 | 0.03 | 0.07 | 0.03 | 0.02 |
pH | 6.4 | 6.3 | 6.2 | 5.5 | 5.9 | 6.1 | 5.6 | 6.0 | 6.2 | 7.5 | 7.0 | 6.8 | 6.7 | 7.0 | 7.3 | 6.6 | 7.0 | 7.2 |