Pollution Research Paper

Vol.32, Issue 03, 2013; Page No.(599-602)

HEAVY METALS ASSOCIATION WASTE WATER IRRIGATED VEGETABLES SOLANUM LYCOPERSICUMIN THE VICINITY OF EAST KOLKATA WETLAND: RAMASAR SITE

SWATI NANDI, R.C. SRIVASTAVA AND K.M. AGARWAL

Abstract

The aim of this study is to analyze and compare heavy metal concentration in secondary wastewater irrigated soils being cultivated for Solanum lycopersicum (Tomato) in the East Kolkata Wetland, West Bengal. The studied plots for at least 3 years 2009-2011 including Dhapa, Boinchatala, Dhalenda, and Chowbaga have been cultivated continuously under treated wastewater irrigation. Based on food and agriculture organization, heavy metal threshold values for crop production have been studied. Results showed that the cultivated Tomato in wastewater irrigated East Kolkata Wetland have significant concentrations of Chromium, Lead, Nickel and Mercury, however, Cadmium is lower than the maximum threshold values recommended for vegetable production.

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