期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 601, 期 -, 页码 1591-1605出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2017.06.030
关键词
Cadmium contamination; Plants uptake; Organic amendments; Bioavailability; Remediation; Daily intake and health risk
资金
- Higher Education Commission, Pakistan [112-23334-2PS1-4221]
- Chinese Academy of Sciences [2015VEB055]
Cadmium (Cd) contamination of soil and food crops is a ubiquitous environmental problem that has resulted from uncontrolled industrialization, unsustainable urbanization and intensive agricultural practices. Being a toxic element, Cd poses high threats to soil quality, food safety, and human health. Land is the ultimate source of waste disposal and utilization therefore, Cd released from different sources (natural and anthropogenic), eventually reaches soil, and then subsequently bio-accumulates in food crops. The stabilization of Cd in contaminated soil using organic amendments is an environmentally friendly and cost effective technique used for remediation of moderate to high contaminated soil. Globally, substantial amounts of organic waste are generated every day that can be used as a source of nutrients, and also as conditioners to improve soil quality. This review paper focuses on the sources, generation, and use of different organic amendments to remediate Cd contaminated soil, discusses their effects on soil physical and chemical properties, Cd bioavailability, plant uptake, and human health risk. Moreover, it also provides an update of the most relevant findings about the application of organic amendments to remediate Cd contaminated soil and associated mechanisms. Finally, future research needs and directions for the remediation of Cd contaminated soil using organic amendments are discussed. (C) 2017 Elsevier B.V. All rights reserved.
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