Fig. 3From: Elevated atmospheric CO2 alters the microbial community composition and metabolic potential to mineralize organic phosphorus in the rhizosphere of wheatThe relationships between mineralized phytate and Olsen P (A), microbial-C-to-P ratio (B), and microbial respiration per unit microbial P (C) in the rhizosphere of wheat plants grown for 10 weeks in Chromosol and Vertosol under elevated CO2 (eCO2, 800 ppm) and ambient CO2 (aCO2, 400 ppm). *, **, and *** indicate significance at p < 0.05, p < 0.01, and p < 0.001, respectivelyBack to article page