Fig. 3.

A, Growth and cell biomass production of Klebsiella oxytoca, Enterobacter agglomerans, and Azospirillum brasilense in liquid batch cultures prepared from plant only-based culture media based on slurries and/or powders of clover, cactus, and turfgrass compared to the artificial CCM culture medium; B, calculated doubling times in min; each figure represents 2 points at the log phase for 2 replicates of batch cultures (n=4); significant differences (P<0.05) are indicated by different letters. (CP, clover powder; HP, turfgrass powder; FP, cactus powder; CS, clover slurry; FS, cactus slurry)