Twenty ml of Cyanobacterial mats suspension assumed to contain cell/ml was mixed with 340 gm of wet
soil in plastic pots and left for 2 weeks for Cyanobacterial to adapt to soil environment prior to cultivation of
plant seeds and application of Diuron. Diuron was applied in the cultivation day. Five different concentrations
(0.0, 0.055, 0.11, 0.22, 0.44, 0.88 mg/kg soil) were used. Each concentration had 5 replicates. The same concen-
trations were used in all the next experiments.