Open Access Research Paper Views (748) Effect of urban treated sewage sludge on concentration of lead and cadmium in parsley and its soil E. Nikzad, M. Kalbasi, M. Hoodaji, J. Fallahzade J. Biodiv. & Environ. Sci. 6(6), 115-124, June 2015. Keywords: Cadmium, lead, Parsley, Sewage sludge Details