Disagree with that on soil urease activity, the inhibition effect was appeared in all these amendments including the lower concentration, such as the 0.5 mg/kg Cd2+ only treatment and 0.5 mg/kg Pb2+ and 0.5 mg/kg Cd2+ combined.
Disagree with that on soil urease activity, the inhibition effect wasappeared in all these amendments including the lower concentration, such as the 0.5 mg/kg Cd2+ onlytreatment and 0.5 mg/kg Pb2+ and 0.5 mg/kg Cd2+ combined.