Evaluation of heavy metal pollution of farmland soil and agricultural products in a city of Anhui Province, China

• Published in: Journal of agricultural resources and environment Vol. 36; no. 1; p. 53
• Main Authors: Jiao, Yue, Ming-Liang, Ye, Meng-Li, Yang, Jun-Yi, Cui, You-Hua, Ma
• Format: Journal Article
• Language: Chinese
• Published: Tianjin Journal of Agricultural Resources and Environment (JARE) 01.01.2019
• Subjects: Acidic soils; Agricultural land; Agricultural pollution; Agricultural products; Agriculture; Alkaline soils; Cadmium; Chromium; Evaluation; Heavy metals; Lead; Mercury; Mercury (metal); Pollution index; Soil analysis; Soil contamination; Soil pollution; Soil properties; Soils; Spatial distribution; Anhui China; China

为评价安徽省某市农田土壤与农产品重金属污染水平，在研究区内共布设1933个点位，采集土壤样品并在污染农田中采集43个农产品样品，对其与土壤进行一对一检测，分析研究Cr、Pb、Cd、As和Hg 5种重金属含量，对研究区农田土壤重金属含量水平、空间分布特征以及农产品重金属含量与土壤性质的关系进行分析。结果表明：研究区农田土壤中Cr、Pb、Cd、As和Hg的平均含量分别为62.5、32.6、0.209、8.85、0.080 mg·kg-1，点位超标率分别为0.05%、0、14.59%、0.67%和1.97%。根据单因子污染指数法评价研究区农田土壤污染情况，5种元素污染程度Cd > Hg >...