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- W2353135696 abstract "In order to ease the pressure on agricultural water,it is very common to introduce the treated sewage to irrigate the farmland in the northern dry land. This not only can improve soil fertility,boost food production,but also can solve the problem of sewage discharge. However,the long-term blind sewage irrigation will cause a series of issues such as soil pollution and soil environmental degradation. Selecting field soil of Kaifeng Huiji River sewage irrigation area for the study,the Nemerow index method and Hakanson potential ecological risk index method are applied to evaluate the soil heavy metal pollution status and potential environmental risk. The results show that: the long-term sewage irrigation makes agricultural soils suffer the pollution of four heavy metals of Pb,Cd,Cr and Cu,among which the pollution of Cd is the most; The nearer the field is from the river of sewage,the higher its pollution level of soil heavy metals and environmental risks are; the surface soil heavy metal pollution in the tillage layer is the most serious." @default.
- W2353135696 created "2016-06-24" @default.
- W2353135696 creator A5063682995 @default.
- W2353135696 date "2013-01-01" @default.
- W2353135696 modified "2023-10-01" @default.
- W2353135696 title "Status Evaluation of Soil Heavy Metal Pollution in Sewage Irrigation Area of Kaifeng City" @default.
- W2353135696 hasPublicationYear "2013" @default.
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