Fig. 1. Numbers of heterotrophic bacteria over time in control (circle), root debris–amended (square), exudate-amended (triangle), and combined debris + exudate–amended soils (X). LSD = 1.18 x 106.
Fig. 1. Numbers of heterotrophic bacteria over time in control (circle), root debris–amended (square), exudate-amended (triangle), and combined debris + exudate–amended soils (X). LSD = 1.18 x 106.