Fig. 2From: In situ polymerization of soil organic matter by oxidative biomimetic catalysisOrganic carbon content in water-stable soil aggregates (g kg−1) before and after the catalyst-assisted oxidative polymerization: unfractionated bulk soil, control soil, soil + H2O2, soil + H2O2 + Fe-Pha. Error bars indicate standard error (n = 3), and different letters indicate significant differences at P ≤ 0.05 levelBack to article page