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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)

From: Soil fertility status and wheat nutrient content in Vertisol cropping systems of central highlands of Ethiopia

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
  1. aIndicates mean
  2. bIndicates standard error in parentheses