Investigation on the Heavy Metal Content in the Soil in a Vegetables Base in Suburb

The soil in greenhouses of vegetable bases in suburb of Changzhou city was selected as the study object.The content of Zn,Cu,Pb,and Cd in the soil was determined through the atomic absorption spectrophotometry.The comprehensive evaluation was also taken.The main results show that: the soil of vegetables base in suburb of the study area has slight heavy metal pollution.The content of heavy metal is the highest at 10 cm under the surface of the earth,and the treating measures against the heavy metal pollution were put forward.