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IJSTR >> Volume 6 - Issue 9, September 2017 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Toxic Heavy Metal And Salinity Assessment In Water, Soil And Vegetables Around Meki Irrigation Farms

[Full Text]



Buzuayehu Abebe Yeketetu



Heavy metals, Salinity, Soil, Vegetables, water



The concentration Heavy metals (Pb, Cr, Cd), macronutrients (Na, K, Ca) and physicochemical properties (Temp., pH, EC, TDS) of soil, vegetable and water were investigated using standard procedures. Soil sample was taken using auger with 0 - 20 cm depth, using zigzag method. To determine the statistical differences between more than two groups of data ANOVA were used and t-test were also used to compare between two groups of data. And each vegetables sample was collected from the same place where a soil sample was taken. Uncultivated area was taken as control. Except, potassium, all physicochemical parameters for both ground (GW) and surface water (SW) were within recommended range of the standards (WHO and FAO) for agricultural use. The pH for GW as well as SW was slightly alkaline. Except Pb, Heavy metals concentrations for soil and vegetables samples were below the safe limits for human consumption. This high Pb levels in meki may probably attributed to more vehicular exhaust fumes. But, when statistically evaluated, using ANOVA, heavy metals concentration in soil samples were all significantly different (P<0.05) from Controlled (uncultivated) area. This shows that anthropogenic activities leading cause of metal emission. The concentration of macronutrients for soils and vegetables analyzed in all parts are within the range set up by the standards. The main purpose of this work is to know the sources of heavy metals emission and to control it using different methods.



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