Combined Effect of Pulverized Costus afer Stem and Cow dung Amendment on Contaminants of Concern in Crude Oil–Contaminated Soil
This study investigated the combined effect of pulverised Costus afer stem and cow dung amendments on contaminants of concern (heavy metals, PAHs, and TPHs) in crude oil-contaminated soil. Non-polluted soil samples were obtained from farmland along Mini Orlu Road, near Ada George, Port Harcourt, Rivers State, Nigeria,...