Fig. 2From: Improved iron use efficiency in tomato using organically coated iron oxide nanoparticles as efficient bioavailable Fe sourcesSEM (a, d, g, j), TEM (b, e, h, k), AFM (c, f, i, l) images of Fe3O4 NPs, Fe3O4@CA, Fe3O4@HA, and Fe3O4@EDTA, respectively, from up to downBack to article page