Soil properties | Hirna soil | Babillae soil | Haramaya soil | Fedis soil |
---|---|---|---|---|
pH in H2O | 7.25 | 6.66 | 7.84 | 7.76 |
EC (mS/cm) | 0.06 | 0.04 | 0.14 | 0.06 |
Organic carbon (%) | 1.65 | 0.56 | 1.96 | 1.32 |
Total nitrogen (%) | 0.16 | 0.06 | 0.12 | 0.12 |
Available P (mg kg−1) | 27.11 | 2.22 | 9.94 | 1.78 |
Ca (cmol(+)kg−1) | 39.88 | 4.18 | 31 | 23.12 |
Mg (cmol(+)kg−1) | 9.00 | 3.5 | 8.7 | 12.87 |
Na (cmol(+)kg−1) | 0.14 | 0.15 | 0.33 | 0.12 |
K (cmol(+)kg−1) | 0.80 | 0.34 | 0.14 | 1.09 |
CEC (cmol(+)kg−1) | 40.03 | 6.59 | 25.98 | 32.22 |
Zn (mg kg−1) | 0.95 | 0.26 | 0.11 | 0.10 |
B (mg kg−1) | 0.83 | ND | 0.15 | 0.75 |
NH4-N (mg kg−1) | 33.77 | 25.57 | – | 20.10 |
NO3-N (mg kg−1) | 33.74 | 27.98 | – | 27.75 |
Clay (g kg−1) | 49 | 18 | 33 | 36 |
Silt (g kg−1) | 39 | 6 | 18 | 45 |
Sand (g kg−1) | 12 | 79 | 49 | 19 |
Textural class | Clay | Sandy loam | Sandy clay loam | Silty clay loam |
Number of indigenous rhizobia of common bean g−1 soil | 1.1 × 104 | <10 | 2.8 × 103 | 2.5 × 102 |