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Table 1 Some chemical properties of the studied soils

From: Effect of contamination sources on the rate of zinc, copper and nickel release from various soil ecosystems

Treat. soil pH ECe dS m−1 Soluble cations and anions (meq/l) SAR
Cations Anions
Na+ K+ Ca++ Mg++ Cl HCO3 + CO3−− SO4−−
Kombora
 UC* 8.50 2.32 6.56 0.40 11.36 4.64 9.44 10.96 2.56 2.32
 C* 8.49 2.16 5.20 0.40 11.20 4.16 9.28 10.72 0.96 1.88
Abo Rawash
 UC* 8.35 3.30 15.62 0.66 10.56 5.60 18.22 10.44 3.78 5.50
 C* 8.27 3.30 13.56 0.66 12.74 4.83 16.24 9.18 6.37 4.57
Kafr-Elsheikh
 UC* 8.65 6.39 30.74 0.54 14.50 16.03 32.22 20.97 8.62 7.87
 C* 8.52 5.04 24.39 0.18 11.25 13.50 28.53 16.47 4.32 6.93
  1. UC uncultivated soil, C cultivated soil