through the field sampling,test in lab.and mathematical statistics,researched on the lead,cadmium of soil under different land-use types in before in vegetable field planning area of Beibei.The results showed that:(1)Through descriptive statistics and analysis of variance,under the different land-use types the total cadmium and lead,the contents of available lead and cadmium,the bioavailability index of cadmium and lead had different degree of difference.And the different land-use types had different degree...