Table 7.

The mean values of herb fresh weight (ton ha⁻¹) of lovage plants as affected with plant spacing, melatonin concentrations and their combination treatments in two cuts of both seasons.

Treatments	First season		Second season
	1st cut	2nd cut	1st cut	2nd cut
Planting space between plants in row (cm)
15	9.5 ± 0.38 b*	16.1 ± 1.12 b	8.2 ± 0.32 b	14.2 ± 0.64 b
30	12.1 ± 0.21 a	20.4 ± 0.89 a	10.0 ± 0.11 a	18.3 ± 0.51 a
45	9.6 ± 0.19 b	16.5 ± 0.29 b	7.8 ± 0.15 c	14.3 ± 0.47 b
Melatonin concentrations (µM)
Without soaking	9.7 ± 0.57 d	15.5 ± 1.02 d	8.2 ± 0.54 c	14.1 ± 0.88 c
0	10.1 ± 0.60 c	16.8 ± 0.78 c	8.5 ± 0.47 b	15.6 ± 1.01 b
75	11.3 ± 0.47 a	20.0 ± 0.98 a	9.2 ± 0.40 a	17.3 ± 0.79 a
100	10.6 ± 0.58 b	18.5 ± 1.00 b	8.7 ± 0.42 b	15.5 ± 0.79 b
Interaction
T1	8.5 ± 0.85 f	12.6 ± 0.39 l	7.2 ± 0.44 g	12.2 ± 0.64 f
T2	9.0 ± 0.43 ef	15.0 ± 0.35 k	8.0 ± 0.18 de	14.3 ± 0.71 d
T3	10.5 ± 0.22 c	19.4 ± 0.09c	9.2 ± 0.22 c	16.1 ± 0.53 c
T4	9.9 ± 0.16 cd	17.2 ± 0.20 g	8.2 ± 0.11 d	14.3 ± 0.19 d
T5	11.4 ± 0.17 b	18.0 ± 1.29 e	9.8 ± 0.10 b	16.8 ± 0.15 c
T6	12.0 ± 0.13 ab	19.1 ± 0.37 d	9.9 ± 0.21 ab	18.7 ± 0.67 b
T7	12.6 ± 0.15 a	22.9 ± 0.12 a	10.4 ± 0.13 a	19.8 ± 0.19 a
T8	12.5 ± 0.06 a	21.7 ± 0.07 b	10.0 ± 0.27 ab	18.0 ± 0.27 b
T9	9.1 ± 0.04 ef	15.8 ± 0.12 j	7.4 ± 0.10 fg	13.2 ± 0.31 e
T10	9.4 ± 0.10 de	16.2 ± 0.09 i	7.6 ± 0.30 efg	13.8 ± 0.21 de
T11	10.2 ± 0.17 c	17.5 ± 0.12 f	8.2 ± 0.04 d	16.1 ± 0.06 c
T12	9.5 ± 0.31 de	16.7 ± 0.17 h	7.8 ± 0.41 def	14.2 ± 0.25 d

^*Means followed by the same letter are not significantly different by the protected LSD, P ≤ 0.05. Data are means value ± SE (n = 3). 1st cut and 2nd cut means the first and second cutts, respectively.