Effective Microorganisms Improve Growth, Nutrients Uptake, Normalized Difference Vegetation Index, Photosystem II, and Essential Oil While Reducing Canopy Temperature in Water-Stressed Salvia sclarea Plants

Table 2

Effects of nitrogen-fixing bacteria (NFB) on concentrations of macronutrients (N, P, K, Ca, and Mg) and micro-nutrients (B, Zn, Mn, and Fe, Cu) of clary (Salvia sclarea) plants grown under two irrigation (IR) treatments.

Treatment	N	P	K	Ca	Mg	B	Zn	Mn	Fe	Cu
	(g·kg^−1)					(mg·kg^−1)
Irrigation (IR)
IR100	16.3^†a	6.30^a	17.8^a	20.9^a	3.27^a	2.34^b	62.1^a	99.6^a	200^a	5.13^a
IR50	15.2^b	5.25^b	15.7^b	16.1^b	2.84^b	2.47^a	56.7^b	95.4^b	151^b	4.25^b
NFB
Control	13.8^d	5.35^d	14.2^c	17.2^d	2.83^c	2.32^b	57.6^c	94.1^d	145^b	4.29^d
B. subtilis	15.9^c	5.64^c	16.4^b	17.9^d	2.98^b	2.47^a	58.2^c	96.5^c	180^a	4.70^b
Ps. flu	16.0^bc	5.86^b	17.3^ab	18.0^c	3.12^a	2.48^a	59.6^b	97.6^bc	184^a	4.55^c
Cyanobacteria	16.3^b	5.80^bc	17.5^ab	19.3^b	3.18^a	2.47^a	60.4^ab	98.9^b	185^a	4.80^b
Trichoderma	16.9^a	6.21^a	18.4^a	20.1^a	3.18^a	2.27^b	61.2^a	100.6^a	185^a	5.10^a
IR × NFB
T1	14.3^d	5.76^cd	15.3^c	19.3^b	2.93^cd	2.02^d	60.9^bc	96.0^de	151^bcd	4.55^c
T2	16.4^b	5.93^c	17.1^bc	19.9^b	3.13^bc	2.63^a	61.7^ab	98.9^bc	216^a	5.15^b
T3	16.6^b	6.46^b	18.4^ab	19.9^b	3.33^ab	2.42^bc	62.4^ab	100.1^ab	213^a	5.05^b
T4	16.9^ab	6.36^b	18.5^ab	22.2^a	3.43^a	2.52^ab	62.3^ab	100.8^ab	210^a	5.25^b
T5	17.3^a	6.97^a	19.7^a	23.2^a	3.54^a	2.12^d	63.0^a	102.2^a	212^a	5.66^a
T6	13.3^e	4.95^f	13.2^d	15.2^d	2.73^d	2.63^a	54.3^f	92.1^f	139^d	4.04^e
T7	15.3^c	5.35^e	15.7^c	16.0^cd	2.83^d	2.32^c	54.6^f	94.1^ef	143^cd	4.24^de
T8	15.4^c	5.25^ef	16.1^c	16.0^cd	2.90^d	2.53^ab	56.7^e	95.0^de	154^bc	4.05^e
T9	15.6^c	5.25^ef	16.5^bc	16.4^c	2.93^cd	2.43^bc	58.4^de	96.9^cd	160^b	4.34^cd
T10	16.4^c	5.45^de	17.1^bc	17.1^c	2.83^d	2.42^bc	59.3^cd	98.9^bc	159^b	4.55^c

^†Mean values within the same column for each trait with the same lowercase letter are not significantly different according to Tukey’s honestly significant difference (HSD) test at . Measurements were done at 120 days after transplanting. IR100, 100% of reference crop evapotranspiration (ETo); IR50, 50% of reference crop evapotranspiration (ETo); T1, 100% ETo without nitrogen-fixing bacteria; T2, 100% ETo + B. subtilis; T3, 100% ETo + Ps. flu; T4, 100% ETo + Cyanobacteria; T5, 100% ETo + Trichoderma; T6, 50% ETo without nitrogen-fixing bacteria; T7, 50% ETo + B. subtilis; T8, 50% ETo + Ps. flu; T9, 50% ETo + Cyanobacteria; T10, 50% ETo + Trichoderma.