Research Article
Forms and Dynamics of Soil Potassium in Acid Soil in the Wolaita Zone of Southern Ethiopia
Table 3
Distributions of potassium forms of the soils as influenced by locations and land uses systems.
| Location | Land use | Potassium forms (cmolc kgā1) | H2O-K | NH4OAC-K | HNO3-K | Exchangeable-K | Nonexchangeable-K | K saturation (%) |
| Sodo Zuria | Enset-coffee | 0.33 | 0.50 | 0.40 | 0.17 | 0.23 | 0.77 | Crop land | 0.15 | 0.31 | 0.24 | 0.16 | 0.08 | 1.06 | Grass land | 0.13 | 0.27 | 0.19 | 0.14 | 0.05 | 0.82 | Damot Gale | Enset-coffee | 0.34 | 0.61 | 0.48 | 0.19 | 0.29 | 0.95 | Crop land | 0.16 | 0.23 | 0.23 | 0.07 | 0.16 | 0.46 | Grass land | 0.10 | 0.14 | 0.15 | 0.04 | 0.11 | 0.23 | Damot Sore | Enset-coffee | 0.17 | 0.35 | 0.27 | 0.18 | 0.09 | 0.78 | Crop land | 0.12 | 0.17 | 0.16 | 0.05 | 0.11 | 0.25 | Grass land | 0.13 | 0.17 | 0.14 | 0.13 | 0.01 | 0.54 | Boloso Sore | Enset-coffee | 0.28 | 0.39 | 0.28 | 0.11 | 0.21 | 0.47 | Crop land | 0.23 | 0.32 | 0.22 | 0.04 | 0.24 | 0.20 | Grass land | 0.13 | 0.27 | 0.18 | 0.05 | 0.17 | 0.23 | Means | 0.17 | 0.28 | 0.25 | 0.14 | 0.11 | 0.57 | CV (%) | 9.42 | 8.37 | 7.00 | 9.29 | 8.88 | 5.85 | LSD (5%) | 0.01 | 0.02 | 0.01 | 0.01 | 0.04 | 0.01 |
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