Wastewater as a contamination risk for agricultural soils Bettye S. Walsh

Wastewater as a contamination risk for agricultural soils Bettye S. WalshTreated wastewater (TWW) has become recently a valuable and significant resource for crop production in irrigated agriculture. Use of TWW for irrigation includes benefits (e. g., conservation of nutrients), yet it also poses notable risks to crop production, soil ecosystem, the environment and human health. This review discusses risks arising from using TWW that include elevation of soil water osmotic pressure, addition of toxic ions and organic

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