Table 3.
Experimental domain for the Hoke design.
| Variable | Factor | Unit | Center | Step of variation |
|---|---|---|---|---|
| X1 | CaCl2 | mg/gs | 3.0 | 2.5 |
| X2 | Inoculum size | discs | 6.0 | 3.0 |
| X3 | CuSO4 | mg/gs | 1.5 | 1.0 |
| X4 | Incubation time | days | 10 | 6 |
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