From: Green ecofriendly enhancement of cellulase productivity using agricultural wastes by Aspergillus terreus MN901491: statistical designs and detergent ability on cotton fabrics
Variable
Code
Unit
Level
Low [−]
Central [0]
High [+]
Malt extract
A
%
0.5
1
1.5
(NH4)2SO4
B
0.1
0.3
KCl
C
0.25
0.4