Fig. 5From: Antibacterial and antioxidant properties of humic substances from composted agricultural biomassesLength of root A and epicotyl (]B of basil seedlings treated with increasing doses of aqueous solutions of humic substances (HS) extracted from artichoke (CYN), coffee grounds (COF), and pepper (PEP) composted residues. Different letters indicate significant differences from the control at 0.05 probability level, as revealed by the LSD testBack to article page