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Table 2 Design summary—Taguchi orthogonal array table of Lg (54) for experimental conditions

From: Biosurfactant from endophytic Bacillus pumilus 2A: physicochemical characterization, production and optimization and potential for plant growth promotion

Run

Carbon source

Nitrogen source

pH

Inoculum (%)

Temperature (°C)

1

L3

L1

L3

L4

L2

2

L1

L1

L1

L1

L1

3

L2

L2

L1

L4

L3

4

L1

L2

L2

L2

L2

5

L4

L1

L4

L2

L3

6

L3

L3

L1

L2

L4

7

L4

L2

L3

L1

L4

8

L1

L3

L3

L3

L3

9

L2

L4

L3

L2

L1

10

L3

L2

L4

L3

L1

11

L1

L4

L4

L4

L4

12

L4

L4

L1

L3

L2

13

L3

L4

L2

L1

L3

14

L2

L1

L2

L3

L4

15

L4

L3

L2

L4

L1

16

L2

L3

L4

L1

L2