Figure 3.

(a) Plant shoot tissue concentration of ³³P assimilated via fungal symbionts, n = 6. (b) The concentration of fungal‐assimilated ¹⁵N in plant shoot tissues, n = 6. (c) Percentage allocation of plant‐derived C to fungi within cores, n = 12. (d) Concentration of C allocation to fungus in the cores, n = 12. Plants were grown in agricultural, non‐sterile soil inoculated with commercially obtained arbuscular mycorrhizal fungi inoculum containing Rhizophagus irregularis (+) or a sterilized control (−). (a) Student's t tests, p < .05, (b–d) data transformation by optimal lambda to fit the assumptions of ANOVA, p < .05, two‐way ANOVA, TukeyHSD posthoc test. Different letters refer to significant differences between treatments. * refers to significant differences between treatments. ns refers to no significant differences