Soil parameters | Mean | Std. Dev. | Min | Max | Range in SW Uganda |
pH | 5.98 | 0.93 | 0.39 | 7.04 | 4.62 - 8.48 |
N (%) | 0.24 | 0.74 | 0.07 | 6.09 | 0.05 - 0.38 |
SOM (%) | 3.07 | 1.66 | 1.12 | 12.70 | 1.85 - 8.46 |
P (ppm) | 20.42 | 27.07 | 3.35 | 106 | 0.84 - 2140 |
K (ppm) | 0.34 | 0.21 | 0.06 | 1.12 | 51.60 - 5030 |
Ca (ppm) | 2.58 | 1.83 | 0.46 | 12.4 | 220 - 6840 |
Na (ppm) | 0.10 | 0.20 | 0.01 | 1.58 | 0.60 - 210 |
Sand (%) | 64.00 | 9.43 | 38 | 86 | 11.84 - 74.40 |
Clay (%) | 21.97 | 7.38 | 4 | 38 | 14.32 - 69.60 |
Silt (%) | 14.03 | 6.02 | 1 | 33 | 8.56 - 25.28 |