Table 5.

Grain composition and nutritional values in plants under drought stress and Olive mill wastewater.

Parameter	Control	Stress	OMWW	OMWW + Stress
Crude protein	12.18 ± 2.00 b	15.27 ± 1.89 ab	16.14 ± 2.25 ab	18.15 ± 0.23 a
Ash	1.86 ± 0.15 a	1.92 ± 0.19 a	2.12 ± 0.21 a	2.12 ± 0.16 a
Lipids	3.86 ± 0.51 b	4.83 ± 0.54 ab	4.52 ± 0.47 ab	5.00 ± 0.34 a
NDF	95.19 ± 6.76 c	135.72 ± 14.65 a	131.90 ± 12.78 a	144.35 ± 16.22 a
ADF	42.79 ± 4.45 b	48.46 ± 4.77 ab	51.68 ± 6.01 ab	58.74 ± 6.12 a
ADL	1.03 ± 0.12 b	1.22 ± 0.29 ab	1.25 ± 0.21 ab	1.55 ± 0.21 a
Tannins	0.29 ± 0.04 b	0.35 ± 0.04 ab	0.36 ± 0.04 ab	0.44 ± 0.05 a
Alkaloids	1.78 ± 0.15 c	3.11 ± 0.42 b	2.55 ± 0.33 bc	4.56 ± 0.29 a

At a 5% probability level, the Tukey HSD test reveals that parameters sharing the same letter(s) is not significantly different. ADF: Acid detergent fiber; NDF: Neutral detergent fiber; ADL: Acid detergent lignin.