Fig. 5From: Statistical optimization of xylanase production, using different agricultural wastes by Aspergillus oryzae MN894021, as a biological control of faba bean root diseases3D surface plot showing the interaction between significant factors affecting xylanase production. a Substrate concentration and yeast extract. b Substrate concentration and MgSO4. 7H2O. c Substrate concentration and KH2PO4. d (NH4)2SO4 and KH2PO4. e (NH4)2SO4 and MgSO4. 7H2O. f KH2PO4 and MgSO4. 7H2OBack to article page