Fig. 5From: The synergistic effect of biochar and poly(2-ethyl-2-oxazoline)/poly(2-hydroxyethylmethacarylate)/chitosan) hydrogels on saline soil properties and carrot productivitySEM photomicrographs of (a) PEtOx-HEMA-CS1, (b) PEtOx-HEMA-CS5, (c) PEtOx-HEMA-CS10 at 30Â kGy of dose rate 0.9Â kGy/h and (d) BiocharBack to article page