Table 1.

Environmental characteristics observed at the three altitudes during the growing season of 2021–2022. Different letters mean significantly different at P < 0.05. P: total precipitation during growing season.

Year	Altitude	T	RH	VPD	Ts	SWC	P
2021	2700 m	11.61 ± 4.67c	55.68 ± 19.92a	0.59 ± 0.32b	8.31 ± 4.44c	0.10 ± 0.04a	281.5
	2950 m	9.96 ± 4.44b	64.22 ± 17.96b	047 ± 0.34a	5.99 ± 2.97b	0.16 ± 0.05b	297.6
	3200 m	8.41 ± 4.60a	57.99 ± 17.67ab	0.46 ± 0.24a	3.38 ± 2.85a	0.28 ± 0.07c	413.6
2022	2700 m	12.12 ± 4.38c	60.09 ± 21.11ab	0.54 ± 0.33b	8.95 ± 3.95c	0.06 ± 0.02a	264.4
	2950 m	10.76 ± 4.34b	65.60 ± 21.07b	0.48 ± 0.34a	5.65 ± 3.07b	0.15 ± 0.04b	277.8
	3200 m	9.24 ± 4.44a	59.73 ± 20.96a	0.46 ± 0.29a	3.91 ± 3.06a	0.20 ± 0.04c	361.2