Eftekhari, Ali, Sam Daliri, Morteza, Reza Mobasser, Hamid, Shirani Rad, Amir Hosein, Valadabadi, Ali Reza (2018). Earth worm role on bioremediation of lead and cadmium heavy metals in maize. *Agroecology Journal*, 13(4), 61-70. 10.22034/aej.2018.539026