Table 2. Average responses of each level and the range analyses of germination percentage (GP), germination index (Gi) and seed vigor index (SVi) in tall fescue 2015, tall fescue 2014, orchardgrass 2013 and Russian wild rye 2009.

Treatment	Tall fescue 2015			Tall fescue 2014			Orchardgrass 2013			Russian wildrye 2009
	A(CFU/ml)	B	C(h)	A(CFU/ml)	B	C(h)	A(CFU/ml)	B	C(h)	A(CFU/ml)	B	C(h)
GP (%)
Level In	93.78	95.56	94.00	62.89	61.56	64.82	88.44	88.00	89.99	37.33	41.75	30.88
Level IIn	92.89	94.67	92.67	59.11	55.48	57.11	87.78	87.99	86.67	41.17	36.67	28.47
Level IIIn	95.11	91.56	95.11	57.60	62.56	57.67	87.99	88.22	87.56	28.64	28.71	47.78
Rm	2.22	4.00	2.44	5.29	7.08	7.71	0.67	0.24	3.32	12.52	13.04	19.30
Order	3	1	2	3	2	1	2	3	1	3	2	1
Gi
Level In	68.30	84.67	74.08	53.37	53.95	59.30	76.90	72.26	73.10	29.00	30.50	20.86
Level IIn	72.16	72.85	68.29	48.91	42.80	43.53	67.01	70.56	68.88	30.21	28.39	20.44
Level IIIn	75.84	58.79	73.94	47.93	53.47	47.39	67.66	68.75	69.59	19.42	19.74	37.33
Rm	7.54	25.89	5.79	5.43	11.15	15.77	9.89	3.51	4.22	10.79	10.75	16.89
Order	2	1	3	3	2	1	1	3	2	2	3	1
SVi
Level In	446.87	558.92	490.92	420.57	433.19	481.89	433.14	432.53	432.59	205.08	207.51	158.01
Level IIn	482.40	499.92	440.31	392.52	334.05	362.45	376.99	405.79	388.55	205.92	195.94	142.77
Level IIIn	501.74	372.18	499.79	416.44	462.29	385.20	413.19	385.00	402.18	141.18	148.72	251.40
Rm	54.87	186.74	59.48	28.05	128.24	119.44	56.15	47.52	44.03	64.74	58.79	108.63
Order	3	1	2	3	1	2	1	2	3	2	3	1

A, B and C represent the concentration of Azospirillum brasilense, the seed priming treatment and priming time, respectively.

ⁿ: Average response of each level regarding experimental indicators.

^m: R means the average range between three average responses of each level regarding experimental indicators.

Order: The ordinal numeral for the range sequence of the three factors in decreasing order.