Research Article
Assessment and Characterization of Agricultural Salt-Affected Soils around Abaya and Chamo Lakes, South Ethiopia Rift Valley
Table 4
Salt-affected soils physical and chemical properties.
| Parameters | Around Chamo lake | Around Abaya lake | Pit, CL01 | Pit, CL02 | Pit, AL01 | Pit, AL02 | Pit, AL03 | Depth (cm) | Depth (cm) | Depth (cm) | Depth (cm) | Depth (cm) | 0–20 | 20–40 | 40–60 | 0–20 | 20–40 | 40–60 | 0–20 | 20–40 | 40–60 | 0–20 | 20–40 | 40–60 | 0–20 | 20–40 | 40–60 |
| Particle size analysis (%) | Sand | 14.00 | 56.00 | 60.00 | 18.00 | 2.00 | 8.00 | 28.00 | 24.00 | 38.00 | 62.00 | 8.00 | 20.00 | 56.00 | 52.00 | 54.00 | Silt | 52.00 | 16.00 | 16.00 | 20.00 | 32.00 | 26.00 | 26.00 | 28.00 | 26.00 | 10.00 | 32.00 | 48.00 | 10.00 | 10.00 | 4.00 | Clay | 34.00 | 28.00 | 24.00 | 62.00 | 66.00 | 66.00 | 46.00 | 48.00 | 36.00 | 28.00 | 60.00 | 32.00 | 34.00 | 38.00 | 42.00 |
| Textural class | Silty clay loam | Sandy clay loam | Sandy clay loam | Heavy clay | Heavy clay | Heavy clay | Clay | Clay | Clay loam | Sandy clay loam | Clay | Silt clay loam | Sandy clay loam | Sandy clay | Sandy clay |
| Silt/clay | 1.50 | 0.60 | 0.70 | 0.30 | 0.50 | 0.40 | 0.60 | 0.60 | 0.70 | 0.40 | 0.50 | 1.50 | 0.30 | 0.30 | 0.10 | BD (gcm−3) | 1.52 | 1.22 | 1.17 | 1.40 | 1.18 | 1.41 | 1.34 | 1.39 | 1.29 | 1.20 | 1.37 | 1.33 | 1.52 | 1.55 | 1.44 | PD (gcm−3) | 2.50 | 1.70 | 2.00 | 2.50 | 2.50 | 2.50 | 2.40 | 2.50 | 2.50 | 3.10 | 3.30 | 2.50 | 3.30 | 3.10 | 2.40 | Porosity (%) | 39.00 | 27.00 | 41.00 | 44.00 | 41.00 | 29.00 | 44.00 | 45.00 | 49.00 | 61.00 | 59.00 | 47.00 | 54.00 | 50.00 | 40.00 | CEC (cmolc kg−1) | 44.80 | 46.30 | 43.30 | 64.90 | 52.20 | 55.90 | 48.90 | 44.30 | 40.90 | 47.40 | 46.60 | 41.10 | 48.20 | 46.10 | 49.40 | BS (%) | 151.00 | 131.00 | 135.00 | 153.00 | 131.00 | 106.00 | 101.00 | 85.00 | 71.00 | 74.00 | 91.00 | 145.00 | 82.00 | 113.00 | 88.00 | Av.P (ppm) | 42.05 | 13.78 | 8.56 | 77.29 | 78.98 | 23.39 | 29.52 | 31.43 | 8.28 | 5.64 | 2.38 | 21.37 | 44.58 | 24.07 | 19.4 | OC (%) | 0.78 | 0.28 | 0.21 | 1.88 | 0.91 | 0.97 | 1.43 | 0.53 | 0.36 | 0.81 | 0.51 | 0.61 | 0.68 | 0.42 | 0.46 | TN (%) | 0.06 | 0.06 | 0.04 | 0.03 | 0.05 | 0.04 | 0.06 | 0.05 | 0.07 | 0.06 | 0.06 | 0.09 | 0.04 | 0.06 | 0.06 | CaCO3 (%) | 3.80 | 2.20 | 1.50 | 2.30 | 2.00 | 1.20 | 2.80 | 2.20 | 0.10 | 1.10 | 2.40 | 2.40 | 2.80 | 2.70 | 2.40 |
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