Table 1.

Environmental data of the investigated groves arranged along an aridity gradient; GDD data for ASH is missing

	Geographic region	CaCO₃ (%)	Soil type	GDD	Average annual rainfall (mm)	Elevation (m a.s.l.)
YRM	Galilee	25.67	Terra Rosa	3365	324.90	341.67
YRR	Galilee	25.67	Terra Roas	3365	324.90	341.67
RAI	Galilee	2.00	Terra Rosa	3655	391.60	379.92
RAR	Galilee	2.67	Terra Rosa	3736	391.60	347.13
ZAL	Galilee	4.33	Terra Rosa	4002	391.60	92.69
DIH	Galilee	34.00	Terra Rosa	3769	391.60	385.75
KAM	Galilee	18.67	Terra Rosa	3631	391.60	329.75
KZE	Galilee	8.00	Heavy soil	4014	391.60	111.38
MAK	Carmel	14.00	Terra Rosa	3425	388.90	84.27
EJB	Samaria	57.67	Terra Rosa	2861	317.50	248.49
ETS	Samaria	28.33	Rendzina	3745	454.50	242.04
EWIK	Samaria	37.00	Terra Rosa	3738	454.50	339.05
ETD	Samaria	45.33	Terra Rosa	3786	454.50	337.72
EQA	Samaria	55.33	Terra Rosa	3573	408.10	286.00
ENZ	Samaria	48.67	Terra Rosa	3446	356.10	373.01
ENB	Samaria	37.67	Heavy soil	2481	356.10	522.56
ESB	Samaria	38.67	Terra Rosa	3372	408.10	289.72
ESK	Samaria	41.00	Terra Rosa	3124	408.10	337.72
ERK	Samaria	38.00	Rendzina	2709	466.10	460.75
HAD	Inner plain	35.33	Rendzina	3821	276.00	111.17
ERB	Judean Mts	54.33	Rendzina	3334	466.10	439.33
EJBA	Judean Mts.	33.67	Terra Rosa	2650	382.90	575.53
JER	Judean Mts.	46.00	Terra Rosa	4077	353.40	723.71
EIK	Judean Mts.	15.33	Terra Rosa	3297	382.90	630.54
YAL	Judean Mts.	38.67	Terra Rosa	3350	287.10	615.27
EBB	Judean Mts.	33.00	Terra Rosa	2133	359.70	726.96
AZK	Inner plain	39.33	Rendzina	3650	320.40	272.65
BNR	Inner plain	24.33	Rendzina	3714	320.40	292.64
EHS	Judean Mts.	25.33	Terra Rosa	2898	301.40	547.66
ASH	Coastal plain	34.33	Sand	–	193.90	23.65
AMZ	Inner plain	42.00	Rendzina	3608	344.50	328.08