Table 5.

Composite design matrix and experimental yields.

Run	Coded variable					Decoded Variable			Dependent Variable
	A	B	C	D	Temp (oC)	Time (day)	pH	Inoculum Size (OD)	Soluble P (μg/ml)	IAA (μg/ml)
1	0	0	0	0	35	9	7	2	239.68	78.23
2	1	-1	-1	1	40	6	6	2.5	181.62	46.05
3	-1	-1	-1	-1	30	6	6	1.5	130.85	53.16
4	-1	1	-1	-1	30	12	6	1.5	150.58	45.16
5	1	1	1	1	40	12	8	2.5	175.44	63.18
6	-α	0	0	0	25	9	7	2	201.75	50.12
7	0	α	0	0	35	15	7	2	135.43	57.03
8	1	-1	1	-1	40	6	8	1.5	195.41	62.68
9	1	1	-1	-1	40	12	6	1.5	218.31	52.36
10	-1	1	1	1	30	12	8	2.5	225.53	52.07
11	0	0	0	0	35	9	7	2	266.34	78.62
12	0	-α	0	0	35	3	7	2	128.85	52.31
13	-1	-1	1	-1	30	6	8	1.5	190.83	45.28
14	0	0	0	α	35	9	7	3	133.38	55.56
15	0	0	0	0	35	9	7	2	260.14	81.02
16	0	0	Α	0	35	9	9	2	235.59	56.01
17	1	-1	1	1	40	6	8	2.5	156.56	45.34
18	Α	0	0	0	45	9	7	2	270.12	61.72
19	0	0	0	-α	35	9	7	1	165.34	58.12
20	-1	-1	-1	1	30	6	6	2.5	125.67	49.26
21	-1	1	-1	1	30	12	6	2.5	142.01	48.95
22	0	0	0	0	35	9	7	2	255.51	81.54
23	-1	1	1	-1	30	12	8	1.5	230.57	46.52
24	-1	-1	1	1	30	6	8	2.5	185.74	42.58
25	1	1	-1	1	40	12	6	2.5	202.06	50.12
26	0	0	0	0	35	9	7	2	245.65	78.62
27	1	1	1	-1	40	12	8	1.5	211.91	64.64
28	1	-1	-1	-1	40	6	6	1.5	221.16	54.52
29	0	0	0	0	35	9	7	2	249.71	77.54
30	0	0	-α	0	35	9	5	2	147.34	51.63