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Table 3 Soil pH, buffer pH and lime requirements

From: Chemical forms of phosphorous and physicochemical properties of acid soils of Cheha and Dinsho districts, southern highlands of Ethiopia

Sampling sites pH ∆pH LR (tons CaCO3 ha−1)
H2O KCl Buffer KCl pH (6.0) pH (6.5)
SC1 4.65 3.98 5.11 0.66 9.20 11.50
SC2 4.79 4.05 5.41 0.74 7.80 9.60
SC3 4.73 4.04 5.20 0.68 8.70 10.70
SC4 4.81 4.10 5.31 0.71 8.20 10.00
SC5 5.13 4.22 5.61 0.90 6.70 8.20
SC6 4.76 4.12 5.30 0.64 8.20 10.00
SC7 4.91 4.09 5.31 0.82 8.20 10.00
SD1 5.30 4.38 6.20 0.92 3.70 4.60
SD2 5.01 4.21 6.11 0.79 4.10 5.00
SD3 5.12 4.29 6.51 0.83 2.10 2.60
SD4 5.36 4.42 6.31 0.94 3.30 4.00
SD5 5.45 4.46 6.41 0.99 2.80 3.40
Mean 5.00 4.20 5.73 0.79 6.08 7.47
  1. LR lime requirements, SC1 Goha 1, SC2 Goha 2, SC3 Goha 3, SC4 Aftir, SC5 Abret, SC6 Kechot, SC7 Moche, SD1 Doyomarufa 1, SD2 Doyomarufa 2, SD3 Tulu, SD4 Weni, SD5 Ketasire