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ABSTRACT
This study was conducted at the Screen House of Experimental Farm of the Faculty of Agriculture, University of Benin, Benin city, it involved the remediation of spent oil polluted soil at 0% 5% and 10% degree contamination, to soil, on which amaranth (Amaranthus hybridus) popularly called green leave(locally) or spinach was grown by liquid manure from cattle dung, rabbit manure and poultry manure, the objective of this study was to evaluate the nutritional content and uptake of plant grown on the varying contaminated soil and control (uncontaminated soils) and possible effect of manure applied and organic matter contents of the soil were determined. Heavy metal such as lead (Pb, CD, Cr) content and organic matter content were more in the unaugmented soils than from the augumented soil. Differences were also noticed between the augumented soils with various treatments and non-augmented soil or control in herbage yield, hydrocarbon,heavy metals and other nutrient like N,P,K,Ca, and Mg. The results obtained in this study shows that remediating spent oil polluted soils with liquid manure especially rabbit manure will reduce uptake of heavy metals through vegetables consumption and aid the reclamation of spent oil contaminated land.
