Effect of sewage-water irrigation on physico-chemical parameters with special reference to heavy metals in agricultural soil of Haridwar City
作者： Chakresh Pathak , A. K. Chopra , Vinod Kumar , Sunil Sharma
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摘要: The present study revealed that use of sewage for irrigation agricultural soil Haridwar city improved the water holding capacity (+27.98%), electrical conductivity (+196.15%), sulphate (+2.34%), organic carbon (+30.48%), total Kjeldhal nitrogen (+87.5%), available potassium (+25.77%) and phosphorous (+59.97%) fertility status in comparison to natural irrigated soil. Further also resulted a significant build-up Pb (+98.95%), Ni (+128.29%), Cu (+253.17%), Fe (+39.74%), Cd (+30.92%), Zn (+696.03%) Cr (+13.15%) than mean concentrations these metals were below permissible limits Indian standards. enrichment factor (Ef) (9.62) was maximum minimum (1.13).The Ef different order Cu> > Fe. Pollution index (Pi) value ranged from 0.505 0.901 which indicated not yet polluted.
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