Skip to main content

Table 2 Selected physicochemical properties of the soils

From: Phosphorous status and adsorption characteristics of acid soils from Cheha and Dinsho districts, southern highlands of Ethiopia

Soil Soil properties
pH Clay
%
CEC (cmolc kg−1) PAls % OC % DPS % M-3P (mg kg−1) Alox (mmol kg −1) Feox (mmol kg−1) NH4Cl + NaHCO3 (Pi + Po)  % NaOH (Pi + Po) % HCl-Pi % Res-P %
SC1 4.65 48.2 19.15 8.04 1.58 4.13 8.9 152.37 97.7 1.17 48.77 11.76 27.07
SC2 4.79 44.6 23.88 3.43 1.86 5.31 10.14 139.07 78.54 1.40 43.34 11.19 27.84
SC3 4.73 49.8 20.88 6.18 1.93 4.65 9.73 145.96 88.18 1.09 46.76 12.08 29.06
SC4 4.81 46.6 26.98 1.3 1.97 5.41 9.15 130.07 79.96 1.18 44.46 11.15 26.82
SC5 5.13 48.0 22.81 1.84 2.11 6.49 10.79 126.37 77.46 1.19 44.17 11.40 26.78
SC6 4.76 43.4 29.54 1.46 2.00 6.58 13.94 131.85 76.39 1.23 43.41 11.00 28.09
SC7 4.91 45.0 25.03 1.96 1.91 5.59 10.38 134.37 81.75 1.13 44.46 11.03 27.01
SD1 5.30 37.8 33.7 0.83 2.39 11.68 23.26 90.0 66.21 2.15 22.94 35.65 29.81
SD2 5.01 43.6 29.8 1.07 2.37 8.88 18.33 91.85 82.29 1.48 22.88 35.75 30.34
SD3 5.12 36.6 34.03 0.71 2.58 18.62 24.35 71.89 51.75 2.10 23.17 35.55 29.74
SD4 5.36 44.2 29.14 0.75 2.56 10.49 22.29 90.37 59.43 1.87 23.06 35.71 29.90
SD5 5.45 38.2 30.66 0.68 2.52 13.69 21.34 78.15 63.36 2.00 23.43 35.60 29.53
  1. M-3P Mehlich-3 P, CEC cation exchange capacity, PAlcs percent aluminum saturation, OC organic carbon, Alox oxalate extractable Al, Feox oxalte extractable Fe, NaOH-Pi NaOH extractable inorganic P, HCl-P HCl extractable P