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Effects of Wastewater Irrigation on Physiochemical Properties of Soil and Availability of Heavy Metals in Soil and Vegetables

journal contribution
posted on 2023-06-07, 22:26 authored by Anita Singh, Ranjesh K Sharma, Madhoolika Agrawal, Fiona MarshallFiona Marshall
The present study investigated the impact of irrigation with wastewater on nutritional property and heavy-metal concentrations in the soil and consequent accumulation in vegetables at sites having long-term uses of wastewater for irrigation. Samples of irrigation water, soil, and root and shoot parts of palak plants were analyzed to determine the concentration of heavy metals. Wastewater irrigation led to increases in the total and phytoavailable heavy-metal concentrations in the soil at all the sites. Heavy-metal concentrations in soil under wastewater irrigation were negatively and positively correlated with soil hydrogen potential (pH) and organic carbon (OC), respectively. The enrichment factor and metal pollution index were higher at wastewater-irrigated sites as compared to the clean water-irrigated ones. The study concludes that wastewater irrigation modified the physicochemical properties of the soil, leading to more availability of heavy metals in the soil and consequently to the plant.


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  • Published


Communications in Soil Science and Plant Analysis





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  • SPRU - Science Policy Research Unit Publications

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