ENHANCED BIOREMEDIATION OF NIGER DELTA OIL-CONTAMINATED SOILS USING INDIGENOUS MICROBES AND NANOPARTICLES Abstract The Niger Delta region of Nigeria has experienced decades of severe soil contamination from crude oil spills, pipeline failures, and illegal refining activities. This chronic pollution has led to high levels of total petroleum hydrocarbons (TPH) and polycyclic aromatic hydrocarbons (PAHs), causing […]