Pots were arranged in a randomized
complete block design with three replicates per treatment.
The experimental plan was based on eight treatments as
follows: (1) Control; (2) Soil + TCP; (3) Soil + PSB-1; (4)
Soil + PSB-1 + TCP; (5) Soil + PSB-2; (6) Soil + PSB-2
+ TCP; (7) Soil + PSB-1 + PSB-2; and (8) Soil + PSB-1
+ PSB-2 + TCP