渭南地区农业土壤中Cu、Fe、Mn含量及分布

Contents and Distribution of Cu,Fe and Mn in Anthropogenic Soil of Weinan District

研究了渭南地区农业土壤中Cu、Fe、Mn的含量及分布特征。结果表明,渭南地区农业土壤中铜的平均含量为69.42 mg/kg,东部、东北部、西部和东南部含量较高,南部和中部则较低;渭南地区农业土壤中铁的平均含量为22 396.25 mg/kg,中部、南部和西部较高,东北部、东部和东南部都较低;渭南地区农业土壤中锰的平均含量为401.55 mg/kg,西部、中部、南部、东北部较高,东部、东南部较低。

The contents and distribution characteristics of Cu,Fe and Mn in anthropogenic soil of Weinan areas were studied.The results showed that the average content of Cu in anthropogenic soil in various areas of Weinan city was 69.42 mg/kg.The content of Fe in east,north,west and southeast areas was higher than that in the south and middle arear with the mean value content of Fe in anthropogenic soil in various areas of Weinan city of 22 396.25 mg/kg.The tendency of gradual decreasing was from middle,south and west to the northeast,east and southeast.The mean value content of Mn in anthropogenic soil in various areas of Weinan city was 401.55 mg/kg and was gradual decreased form the west,middle,south and northeast to the east,and southeast.