Some important soil properties are shown as follows: pH (CaCl2) 4.46, organic matter 19.8 g/kg, available N 122.5 mg/kg, available P (P2O5) 4.65 mg/kg, available K 44.5 mg/kg, electrical conductivity 0.12 dS/m and exchangeable Al 0.45 cmol/kg. 6-L plastic pots were filled with 4 kg airdry soil.