Figure 2: Effect of compost extracts in Experiment 1 on chlorophyll concentration in leaves in (A) trial I, and (B) trial II. Cont: Non-fertilised; ACE: Aerated compost extract; NCE: Non-aerated compost extract; SACE: Sterilised aerated compost extract; SNCE: Sterilised nonaerated compost extract Means with different letters within a sampling date indicate significant difference (P < 0.05) and vertical bars represent the standard error of the mean (n = 8).