**Chapter 9**

Combined Effects of Earthworms and Plant Growth-Promoting Rhizobacteria (PGPR) on the Phytoremediation Efficiency of *Acacia mangium* in Polluted Dumpsite Soil in Bonoua, Côte d'Ivoire

*Bongoua-Devisme Affi Jeanne, Kouakou Sainte Adélaïde Ahya Edith, Hien Marie Paule, Ndoye Fatou, Guety Thierry and Diouf Diégane*
