Fig. 3From: Contrasting effect of phosphate on phytoavailability of arsenic and cadmium in soils supporting medicinal plantsRelationships between plant-available P concentration and the concentration of 1 M NH4OAc extractable As (A) and Cd (B) in soils supporting for medicinal plants (p < 0.001, p < 0.01, and p < 0.05 denoted by ***, **, and *, respectively)Back to article page