Journal
AGRICULTURAL WATER MANAGEMENT
Volume 177, Issue -, Pages 419-431Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.agwat.2016.08.027
Keywords
Irrigation with wastewater; Environmental risks; Chemical constituents; Wastewater management; Arid zones
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Funding
- Libyan High Ministry of Education
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Irrigation with raw, partially and treated wastewater is a widespread practice in many arid and semi-arid zones. The importance of wastewater for agriculture has increasingly been recognised not only as a valuable water resource but also for its nutrient value. However, inappropriate management of irrigation with wastewater can pose substantial risks to public health and the surrounding environment as a result of its microbial and toxic components. In this review, we summarise recent research and provide a broad overview of the potential risks associated with the chemicals in wastewater used for irrigation including their environmental, and health impacts, factors that may affect the fate of these chemicals, and available mitigation methods and management options to reduce their impacts. A primary aim of this review is to construct a generalised ranking of the risks from the chemical constituents of wastewater used for irrigation in arid and semi-arid zones. (C) 2016 Elsevier B.V. All rights reserved.
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