Table 6.

Mean values ± standard error of yield, number of fruits per tree, oil yield and water-use efficiency during the three study years.

	Control Points	2015		2016		2017
	T1	9105 ± 449	ab	12507 ± 759	a	15575 ± 625	b
	T2	12146 ± 760	a	13284 ± 854	a	17809 ± 725	b
Yield	CR1	10240 ± 2037	ab	9732 ± 1362	a	18244 ± 726	b
(kg/ha)	CR2	6740 ± 1324	b	5490 ± 1274	b	21478 ± 1324	a
	CR3	10788 ± 1453	ab	10937 ± 1687	a	18535 ± 2062	ab
	CR4					15277 ± 683	b
	Significance	*		*		*
	T1	2160 ± 131	ab	4454 ± 383	a	5208 ± 298	b
	T2	3231 ± 297	a	4580 ± 510	a	6457 ± 230	ab
Number of fruits per tree	CR1	2625 ± 511	ab	2884 ± 302	ab	6714 ± 435	a
	CR2	1628 ± 285	b	1345 ± 388	b	7568 ± 548	a
	CR3	2621 ± 486	ab	3966 ± 1202	a	6449 ± 958	ab
	CR4					5089 ± 164	b
	Significance			*		*
	T1	1725 ± 84	ab	2211 ± 104	a	3047 ± 61
	T2	2205 ± 140	a	2423 ± 174	a	3375 ± 171
	CR1	1362 ± 271	bc	1372 ± 201	b	3090 ± 148
Oil yield	CR2	1024 ± 201	c	914 ± 230	b	3468 ± 141
(kg/ha)	CR3	1899 ± 256	ab	2071 ± 276	a	3508 ± 345
	CR4					3033 ± 154
	Significance	*		*		n.s.
	T1	36 ± 1.78	ab	41 ± 2.50	a	36 ± 1.44	c
	T2	49 ± 3.06	a	50 ± 3.22	a	41 ± 1.67	bc
	CR1	44 ± 8.78	ab	49 ± 6.87	a	45 ± 1.79	b
WP yield	CR2	29 ± 5.73	b	23.66 ± 5.49	b	52 ± 3.22	a
(kg/m3)	CR3	48 ± 6.40	ab	50.86 ± 7.85	a	42 ± 4.64	bc
	CR4					37 ± 1.65	c
	Significance	*		*		*
	T1	7 ± 0.33	ab	7.29 ± 0.34	ab	7.03 ± 0.14	b
	T2	8 ± 0.56	a	9.14 ± 0.65	ab	7.76 ± 0.39	ab
	CR1	7 ± 1.43	ab	6.93 ± 1.01	b	7.63 ± 0.37	ab
WP oil yield	CR2	4 ± 0.87	b	3.94 ± 0.99	c	8.45 ± 0.34	a
(kg/m3)	CR3	6 ± 1.20	ab	9.63 ± 1.28	a	7.90 ± 0.78	ab
	CR4					7.32 ± 0.37	ab
	Significance	*		*		*

WP = water productivity. * indicates statistically significant differences according to Duncan’s multiple range test (p < 0.05). n.s. = non-significant.