Table 2.

Matrix of the DCCR to evaluate the influence of different formulations on the height, dry matter and phytotoxicity of target

Treatments	Real and coded values			Mass of components				Plant height (cm)	Phytotoxicity	Dry matter (g)
	Palm oil (wt%)	Surfactant (wt%)	EHL (–)	Palm oil (g)	Span® 80 (g)	Tween® 80 (g)	Bioherbicide (g)
Water	–	–	–	–	–	–	–	9.1 a	1 a	0.810 a
100% bioherbicide	–	–	–	–	–	–	25.000	6.9 c	3 c	0.560 b
T1	2.8 (−1)	2.8 (−1)	6.5 (−1)	0.700	0.556	0.144	23.600	7.6 b	3 c	0.770 a
T2	8.2 (1)	2.8 (−1)	6.5 (−1)	2.050	0.556	0.144	22.250	8.2 a	3 c	0.820 a
T3	2.8 (−1)	8.2 (1)	6.5 (−1)	0.700	1.629	0.421	22.250	8.0 b	4 d	0.720 a
T4	8.2 (1)	8.2 (1)	6.5 (−1)	2.050	1.629	0.421	20.900	7.5 b	5 e	0.730 a
T5	2.8 (−1)	2.8 (−1)	12.8 (1)	0.700	0.144	0.556	23.600	7.1 c	5 e	0.590 b
T6	8.2 (1)	2.8 (−1)	12.8 (1)	2.050	0.144	0.556	22.250	7.6 b	4 d	0.710 a
T7	2.8 (−1)	8.2 (1)	12.8 (1)	0.700	0.421	1.629	22.250	7.2 c	5 e	0.640 b
T8	8.2 (1)	8.2 (1)	12.8 (1)	2.050	0.421	1.629	20.900	5.9 d	7 f	0.570 b
T9	1 (−1.68)	5.5 (0)	9.7 (0)	0.250	0.681	0.694	23.375	8.7 a	3 c	0.760 a
T10	10 (1.68)	5.5 (0)	9.7 (0)	2.500	0.681	0.694	21.125	7.1 c	5 e	0.610 b
T11	5.5 (0)	1 (−1.68)	9.7 (0)	1.375	0.124	0.126	23.375	7.3 c	3 c	0.720 a
T12	5.5 (0)	10 (1.68)	9.7 (0)	1.375	1.238	1.262	21.125	7.8 b	5 e	0.810 a
T13	5.5 (0)	5.5 (0)	4.3 (−1.68)	1.375	1.375	0.000	22.250	7.6 b	2 b	0.890 a
T14	5.5 (0)	5.5 (0)	15 (1.68)	1.375	0.000	1.375	22.250	5.8 d	8 g	0.510 b
T15	5.5 (0)	5.5 (0)	9.7 (0)	1.375	0.681	0.694	22.250	7.7 b	5 e	0.590 b
T16	5.5 (0)	5.5 (0)	9.7 (0)	1.375	0.681	0.694	22.250	7.7 b	5 e	0.650 b
T17	5.5 (0)	5.5 (0)	9.7 (0)	1.375	0.681	0.694	22.250	8.4 a	5 e	0.690 a

Mean followed by the same letter in the column did not differ statistically by the Scott-Knott’s test at 95% of confidence level (p < 0.05)