Fig. 1.
Screening of silicate and phosphate solubility performance test of Enterobacter ludwigii GAK2 under Cd stress 1,000 µM. (A) Silicate solubilization test on glucose agar media plate with 0.25%magnesium trisilicate. (B) Phosphate solubilization test on NBRIP agar media plate with 0.25% calcium phosphate (clear zone on the media plate represents the solubilization ability of Enterobacter ludwigii GAK2).