Figure 1: Plant diversity effects on root biomass, soil microbial properties, and root exudates.
From: Root biomass and exudates link plant diversity with soil bacterial and fungal biomass
Root biomass [g microcosm−1] (a), bacterial biomass [nmol g−1 soil dry weight] (b), fungal biomass [nmol g−1 soil dry weight] (c), ratio between fungal and bacterial biomass (d), root exudate diversity [richness of different compounds] (e), and root exudate amount [μM] as the sum of the most abundant compounds fumaric acid, 4-hydroxybenzoic acid, p-coumaric acid, and vanillic acid; see main text for details (f) as affected by plant species richness. Given are means with 95% confidence intervals. ***p ≤ 0.001; **p ≤ 0.01; *p ≤ 0.05 (see Table 1 for details).
