No.
Initial pH
X
1
Moisture ratio
X
2
Incubation time
X
3
1
1
1
0
2
-1
-1
0
3
0
0
0
4
1
0
1
5
0
-1
-1
6
-1
0
-1
7
0
0
0
8
0
1
1
9
-1
0
1
10
-1
1
0
11
0
1
-1
12
0
0
0
13
0
-1
1
14
1
0
-1
15
1
-1
0
Table 2:
Full factorial Box-Behnken Design for production of cellulase from
Bacillus licheniformis.
