The addition of spent media from PG6 and control PC enhanced tomato growth than
the control, with PG 6 being more effective than PC.
The shoot biomass increased by 65% to 0.56 g per plant with PG6 addition compared
to the control and 44% compared to control PC.
As PG6 was most effective in solubilizing P from phytate at
0.89 mg L1 P (Table 1), spent media from PG6 was added to 0.2-
strength HNS containing low P at 1 mg L1, with or without 0.2 g
of phytate to grow tomato plants for 7 d.