Role of plant growth-promoting bacteria on Phytoextraction process of Cu(II) and Cr(VI) by Helianthus annuus and Zea mays

As a result of inappropriate deposition of organic residues, toxic anthropogenic compounds have become ubiquitous components in soil and waters. Several alternatives have been developed, however, one of the most important is bioremediation. It is a low-cost, effective and environmentally friendly al...