Assessment of heavy metal accumulation and health risks in okra (Abelmoschus Esculentus L.) and spinach (Spinacia Oleracea L.) fertigated with wastwater

Table 6 Concentration of heavy metals (mg/kg) in the edible portion of Spinach and okra samples collected from peri-urban agricultural system

Treatments	Vegetables	Lead Pb	Cadmium Cd		Chromium Cr
Main
Wastewater	Spinach	1.84 ± 0.85	0.76 ± 0.89		0.23 ± 0.01
Canal Water	Spinach	1.23 ± 0.06	0.23 ± 0.15		0.16 ± 0.015
Tube well Water	Spinach	1.18 ± 0.02	0.19 ± 0.02		0.13 ± 0.15
Sub
50% wastewater + 50% Canal water	Spinach	1.34 ± 0.055	0.45 ± 0.066		0.19 ± 0.016
50% wastewater + 50% Tube well water	Spinach	1.30 ± 0.020	0.42 ± 0.30		0.17 ± 0.015
Main
Wastewater	Okra	1.08 ± 0.06		0.48 ± 0.27		0.55 ± 0.03
Canal Water	Okra	0.79 ± 0.009		0.30 ± 0.04		0.37 ± 0.02
Tube well Water	Okra	0.35 ± 0.008		0.28 ± 0.05		0.32 ± 0.026
Sub
50% wastewater + 50% Canal water	Okra	0.68 ± 0.07		0.39 ± 0.02		0.40 ± 0.01
50% wastewater + 50% Tube well water	Okra	0.77 ± 0.06		0.37 ± 0.02		0.39 ± 0.02

ISSN: 2731-9245