Enhancing copper and arsenic phytoextraction from calcareous soil through the synergistic interaction of ethylenediaminetetraacetic acid application timing and metal-resistant plant growth-promoting rhizobacteria inoculation.
Remediating calcareous soils co-contaminated with copper and arsenic remains a major challenge due to low metal bioavailability and the risk of chelator-induced phytotoxicity, which can severely limit phytoremediation success. This study investigated a synergistic strategy combining heavy metal-resistant plant growth-p...