Heavy metal leaching and plant uptake in mudflat soils amended with sewage sludge

The leaching and uptake of Cd, Cu, Pb, and Zn by maize ( Zea mays L.) in mudflat saline-alkali soils amended by sewage sludge was examined using a greenhouse leaching column experiment. Application of sewage sludge caused decreased pH, increased DOC, and increased Cd, Cu, Pb, and Zn concentrations i...

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Published in:Environmental science and pollution research international 2018-11, Vol.25 (31), p.31031-31039
Main Authors: Gu, Chuanhui, Bai, Yanchao
Format: Article
Language:English
Subjects:
Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Cadmium
Copper
Corn
Dissolved organic carbon
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Environmental science
Fractionation
Heavy metals
Leachates
Leaching
Lead
Metal concentrations
Metals
Metals, Heavy - metabolism
Mud flats
Research Article
Saline soils
Sewage
Sewage disposal
Sewage sludge
Sludge
Soil Pollutants - metabolism
Soil water
Waste Water Technology
Water Management
Water Pollution Control
Zea mays - metabolism
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description The leaching and uptake of Cd, Cu, Pb, and Zn by maize ( Zea mays L.) in mudflat saline-alkali soils amended by sewage sludge was examined using a greenhouse leaching column experiment. Application of sewage sludge caused decreased pH, increased DOC, and increased Cd, Cu, Pb, and Zn concentrations in leachates. The similar temporal dynamics of DOC and the metal concentrations in leachates suggested complexation of the metals with DOC. There was downward movement of metals as evidenced by the metal enrichment in the bottom layer (20–40-cm depth) of leaching columns ( p  
doi_str_mv 10.1007/s11356-018-3089-5
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source ABI/INFORM Global; Springer Nature
subjects Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Cadmium
Copper
Corn
Dissolved organic carbon
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Environmental science
Fractionation
Heavy metals
Leachates
Leaching
Lead
Metal concentrations
Metals
Metals, Heavy - metabolism
Mud flats
Research Article
Saline soils
Sewage
Sewage disposal
Sewage sludge
Sludge
Soil Pollutants - metabolism
Soil water
Waste Water Technology
Water Management
Water Pollution Control
Zea mays - metabolism
title Heavy metal leaching and plant uptake in mudflat soils amended with sewage sludge
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