Abstract
Heavy metals and soil physicochemical parameters were identified as environmental pollutants in some major domestic dumpsites in Akure city of Ondo state. The pH of the domestic dumpsites ranged from 7.07 to 7.69 with a mean value of 7.33. the organic carbon for the domestic dumpsites ranged from 0.46% to 1.18%, while the organic matter was between 0.80% and 2.05%. the concentration of Zn, Fe, Cu, Pb, Cd, Ni and Cr in µg/g in the domestic dumpsites A and B ranged between 360.00-441, 169.60-547.20, 37.20-102.00, 18.8080.00, 2.36-2.95, 11.00-19.20 and 18.00- 42.20 all in µg/g respectively. Also, the contamination pollution index of Zn, Fe, Cu, Pb, Cd, Ni and Cr all in the domestic dumpsites A and B ranged between 2.57-3.15, not detected, 1.03-2.83, 0.32-0.94, 2.95-3.68, 0.31-0.55 and 0.18-0.46 respectively. Pearson correlation indicated that Zn, Fe, Ni and Pb were highly significant (p<0.01).
Highlights
Soil is an extremely important component of terrestrial ecosystem
People in the recent years have engaged in the habit of planting crops on abandoned domestic dumpsites of soil taken from the existing ones because of their fertility (Oluyemi and Eyitayo, 2013)
All the soil sites are heavily polluted with metals and the highest multiple pollution values was found with site B which has the value 29.26 while the domestic site A is the least polluted with a multiple polluted value of 26.13
Summary
It is essential to humanly because, it is the top layer of the earth in which plants grow. This makes it to play a vital role in food chain. In order to meet up with man’s daily domestic needs, a lot of markets were established by the government at different locations in the city as the state capital from which a lot of domestic wastes are generated from marketing activities. These (extension) marketing activities in the city have led to re-developing of some domestics dumpsites covering
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