Growth Performance of Grain Amaranth (Amaranthus Cruentus L.) on Spent Engine Oil Contaminated Soil Bioremediated With Two Bacterial Co-Cultures and Organic Amendments

The advent of bioremediation technology has helped scientists to proffer sustainable solutions problems associated with environmental pollution. This study was staged assess the growth Amaranthus cruentus L. on spent engine oil (SEO) contaminated soil that had been subjected bioremediation. Two bacterial co-cultures; Pseudomonas aeruginosa+Alcaligenes faecalis and Streptococcus pyogenes + Enterococcus were bio-enhanced organic amendments; powdered cow dung (PCD), cocoa pod husk (PCPH) compost made from (CD) (CPH) a view reclaiming SEO at three levels contamination. It factorial experiment laid out completely randomized design (CRD). Subsequently, amaranth seeds sown experimental pots in screen house. Results indicated two weeks after sowing (2WAS), produced significant (P < 0.05) highest plant heights (6.5, 7.5 6.1 cm) all contamination studied compared other amendments. Compost (6.0) number leaves amendments 10% level while same (4.0) 15% level. In respect stem girths measured this study, performance recorded 2WAS, four (4WAS) six (6WAS) 0.05). feat agents utilized further confirmed these as good candidates can be adopted ensuring reclamation restoration ravaged agricultural land.