Abstract To mobilize sparingly available phosphorus (P) in the rhizosphere. many plant species secrete malate to release P sorbed onto (hydr)oxides of aluminum and iron (Fe). In the presence of Fe. malate can provoke Fe over-accumulation in the root apoplast. https://www.roamingfreesims.com/product-category/ansell-lighting-twistlock-50w-fixed-gu10-satin-chrome-die-cast-downlight/