Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2013, Vol. 29 ›› Issue (26): 132-136.doi: 10.11924/j.issn.1000-6850.2013-1282

Special Issue: 土壤重金属污染

Previous Articles     Next Articles

Remediation of Different Soil Amendments on Soil Combined Pollution with Cadmium, Arsenic and PAHs in A Sewage Irrigation Area

  

  • Received:2013-05-06 Revised:2013-05-22 Online:2013-09-15 Published:2013-09-15

Abstract: To explore the remediation effects of different soil amendments on soil combined pollution in a sewage irrigation area, the spring maize and 7 soil amendments were used to conduct the field experiments. In this study, the Cd, As and PAHs contents in the seeds of maize and soil were measured. The results presented that: the Cd, As and PAHs contents in the seeds of maize increased in the sulphur and enzyme microorganism treated soil; the Cd and As contents increased significantly comparing with the control group (P<0.05). 3 pollutant contents in the seeds of maize decreased in the lime, sodium bentonite, humic acid and diatomite treated soil; the Cd and As contents decreased significantly comparing with the control group (P<0.05). The Cd, As and PAHs contents in the seeds of maize decreased in the CXEM microbial agent treated soil; the PAHs contents decreased significantly comparing with the control group (P<0.05). The Cd, As and PAHs contents in soil treated were less influenced by the addition of soil amendments. However, the PAHs contents decreased 17.8% obviously (P<0.05). Therefore, the influences of soil amendments on Cd, As and PAHs contents in the seeds of maize and soil were mainly related with the characterization of soil amendment.