The excess heavy metals that accumulate in soil not only poison crops but can also enter the food chain to harm the health of animals and humans.Therefore,soil heavy metal pollution is an ecological and agricultural problem that needs to be solved urgently.Phytoremediat...MORE The excess heavy metals that accumulate in soil not only poison crops but can also enter the food chain to harm the health of animals and humans.Therefore,soil heavy metal pollution is an ecological and agricultural problem that needs to be solved urgently.Phytoremediatio...