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MATERIALS AND METHODS

The Varanasi city having more than 2 million inhabitants and 112.3 Sq. krn area is located in Eastern Gangetic plain of northern India. The three major suburban agricultural areas, irrigated by treated and/or untreated wastewater were selected for this study. The common industries discharging efiluents are fabric printing, batteries, paints, dyeing, electric cables and tire manufacturing. The common vegetables and other crops grown in suburban areas are rice (Oryza sativa L.), wheat (Triticum aestivum L.), cauliflower (Brassica oleracea var. botrytis), cabbage (Brassica oleracea var. capitata), tomato (Lycopersicon esculentum Miller), radish (Raphanus sativus L.), palak (Beta vulgaris var. all green H1)), egg plant (Solarium melongena L.), mustard (Brassica. nigra L.), okra (Abelmoschus esculentus L.), corn (Zea mays L.), amaranthus (Amaranthus triclour L.) etc.

Samples of vegetables …