HEAVY METAL CONTENT N WATER, SOIL AND PARAGRASS GROWN IN MUSI RIVER BED, HYDERABAD, ANDHRA PRADESHUrmila Devi. B. Ramesh Thatikunta, Prabhu Prasadini. P. and MD. Ajaz Ali Khan
Musi river water is being used for irrigation of vegetables & grasses in and around Hyderabad. Nowadays it is polluted with heavy load of industrial pollutants and sewage which contains heavy metals.The entry of heavy metals into food chain causes concern.VVater and soil in upstream locations, and paragrass samples at all locations contained Pb in more than the permissible limits. Ni content was high in water samples at 2 locations, (0.34-0.43 mg/L) in soils at eight locations (0.86-6.82 mg/L) and in paragrass samples (2.4 -45.6 mg/L). Cd content in water (0.01-0.03 mg/L) and paragrass (3.47-4.70 mg/L) in all locations and in soils at two locations (0.66-3.11 mg/L) was beyond permissible limit. No Chromium was recorded in water samples, whereas the content was high in soils at 7 locations (0.55-1.06 mg/L) and in paragrass (1.55-39.40 mg/L) at all locations.Water being the primary carrier it is recommended to treat water before its used for irrigation purposes.
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