Abstract:In this study, the effect of poultry manure amendment on the availability of some heavy metals, (Cu, Cr, Mn and Zn) was evaluated. The uptake of the metals by Ricinus communis (castor oil) with and without amendment was conducted in a green house. Soil sample was treated with 5%, 10% and 20% of poultry manure in a pot experiment. There was an increase in physicochemical properties of the soil such as pH, organic matter content and ECEC on treatment. Chemical speciation of the parent soil indicated that there … Show more
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