Effect of petrol and spent oil on the growth of Guinea Corn (Sorghum bicolor L.). International Journal of Plant Biology, [S. l.], v. 6, n. 1, 2015. DOI: 10.4081/pb.2015.5883. Disponível em: https://journals.pagepress.org/pb/article/view/5883. Acesso em: 24 jun. 2025.