Table 6 Exchangeable bases, cation exchange capacity (CEC), K saturation percentage, K to Mg ratio, available molybdenum (Mo) and boron (B) content of the study sites (n = 12)
Location (District) | Exchangeable bases (cmol(+) kg−1) | CEC | K/CEC | K:Mg | AAO (mg kg-1) | Mehlich3 (mg kg−1) B | |||
|---|---|---|---|---|---|---|---|---|---|
Ca | Mg | K | Na | (cmol(+) kg-1) | (%) | Mo | |||
Akaki (Akaki) | 38a (0.17)b | 9.4 (0.03) | 1.6 (0.002) | 0.16 (0.002) | 49.4 (0.16) | 3.2 | 0.17:1 | 0.003 (0.002) | <0.5 |
Ambo (Kisole Odoliva) | 45.2 (0.08) | 7 (0.02) | 1.8 (0.008) | 0.1 (0.003) | 54.6 (0.09) | 3.3 | 0.26:1 | 0.01 (0.01) | <0.5 |
Chefe Donsa (Haberu Sefetu) | 32.8 (0.2) | 5.2 (0.5) | 1.8 (0.16) | 0.27 (0.006) | 42.1 (0.15) | 4.3 | 0.35:1 | 0.005 (0.002) | <0.5 |
Debre Zeit (Denkaka) | 49 (0.11) | 5.2 (0.01) | 2.3 (0.01) | 0.07 (0.002) | 56.5 (0.13) | 4.1 | 0.44:1 | 0.02 (0.01) | <0.5 |
Ginichi (Jemjem Legebatu) | 48.8 (0.04) | 6.7 (0.03) | 1.9 (0.008) | 0.17 (0.004) | 58 (0.03) | 3.3 | 0.28:1 | 0.01 (0.01) | <0.5 |
Holeta (Guntuta) | 34.1 (0.1) | 8 (0.04) | 1.5 (0.02) | 0.18 (0.003) | 44.3 (0.16) | 3.4 | 0.19:1 | 0.01 (0.005) | <0.5 |
Mojo (Ajere Wolkite) | 32.4 (0.17) | 9.8 (0.12) | 1.9 (0.007) | 0.13 (0.003) | 44.5 (0.23) | 4.3 | 0.19:1 | 0.01 (0.005) | <0.5 |
Sheno (Wentu) | 28.3 (0.11) | 9.7 (0.03) | 1.3 (0.008) | 0.11 (0.005) | 39.8 (0.15) | 3.3 | 0.13:1 | 0.02 (0.008) | <0.5 |
Tullu Bolo (Awash Bune) | 27.1 (0.2) | 8.8 (0.07) | 2.1 (0.02) | 0.41 (0.002) | 38.8 (0.3) | 5.4 | 0.24:1 | 0.01 (0.003) | <0.5 |
Woliso (D/Kora) | 30.8 (0.08) | 4.7 (0.02) | 1.8 (0.002) | 0.08 (0.005) | 37.8 (0.11) | 4.8 | 0.38:1 | 0.01 (0.003) | <0.5 |