Sample

Concentrations

17.5 g/l

52.5 g/l

Root length, mm ± SD

% compared to the control

Root length, mm ± SD

% compared to the control

Control

55.72 ± 12.02

100

55.72 ± 12.02

100

OCWE

33.29 ± 7.35

59.75^***

16.33 ± 4.26

29.31^***