Figure 1.

Full plant weight (g) for each arbuscular mycorrhizal (AM) fungi treatment at each CO ₂‐level (±SE). Panels indicate CO ₂‐level plants were grown in (low, ambient, and high), colored bars indicate AM fungal inoculation (No inoculation, monoculture of Glomus aggregatum or Rhizophagus irregularis, or mixed inoculation). Total N = 113