Fig. 2

The effect of different concentrations of yeast extract and sampling times (a, b) and response surface and contour plots for azadirachtin accumulation (c, d) and azadirachtin production (e, f)
The effect of different concentrations of yeast extract and sampling times (a, b) and response surface and contour plots for azadirachtin accumulation (c, d) and azadirachtin production (e, f)