. 2018 Mar 22;9:385. doi: 10.3389/fpls.2018.00385

Table 3.

Grain yields and yield components under different treatments.

Treatments	2013					2014
	Productive Panicle(10^-2)	Grain number per panicle	Grain filling percentage (%)	1000-grain weight (g)	Grain yield (kg ha^-1)	Productive panicle (10^-2)	Grain number per panicle	Grain filling percentage (%)	1000-grain weight (g)	Grain yield (kg ha^-1)
N0	217.12 ± 10.31	152.85 ± 7.23	0.72 ± 0.01	26.05 ± 0.60	6474.35 ± 168.64	213.99 ± 9.58	174.77 ± 7.76	74.40 ± 1.14	25.19 ± 0.51	7491.41 ± 135.50
IF	261.94 ± 9.99	175.52 ± 6.17	0.81 ± 0.02	27.60 ± 0.65	7957.60 ± 274.83	232.92 ± 6.75	206.28 ± 14.09	77.59 ± 2.26	24.93 ± 0.16	8798.62 ± 177.88
OF	261.12 ± 15.65	171.99 ± 10.85	0.74 ± 0.01	25.52 ± 0.23	7440.32 ± 255.85	237.24 ± 12.50	193.93 ± 14.72	72.61 ± 6.99	24.77 ± 0.34	8261.00 ± 124.66
OFIF	274.34 ± 13.35	167.42 ± 3.35	0.80 ± 0.01	27.11 ± 0.71	8417.22 ± 172.88	245.47 ± 11.83	202.74 ± 7.82	79.55 ± 4.03	25.28 ± 0.36	9766.00 ± 630.58
SRIF	288.23 ± 15.17	181.62 ± 13.37	0.76 ± 0.01	26.52 ± 0.80	9208.55 ± 473.41	293.83 ± 17.81	194.73 ± 7.73	82.38 ± 1.99	25.73 ± 0.32	9569.00 ± 243.08
NT	259.69 ± 29.33	170.44 ± 10.31	0.77 ± 0.03	26.70 ± 1.01	7959.04 ± 980.43	247.33 ± 30.10	194.13 ± 16.08	77.17 ± 6.60	25.30 ± 0.52	8776.18 ± 966.56
CT	261.40 ± 25.77	169.31 ± 15.39	0.77 ± 0.05	26.42 ± 0.90	7840.17 ± 996.97	242.06 ± 29.48	194.85 ± 14.48	77.44 ± 3.10	25.06 ± 0.32	8778.23 ± 873.46
F-value
N source	21.13^∗∗	21.39^∗∗	137.98^∗∗	10.41^∗∗	65.90^∗∗	37.23^∗∗	6.51^∗∗	9.08^∗∗	6.58^∗∗	43.07^∗∗
Tillage practice	0.11^ns	0.29^ns	0.38^ns	1.42^ns	1.10^ns	1.45^ns	0.03^ns	0.06^ns	3.75^ns	0.00^ns
N source × Tillage practice	0.29^ns	10.01^∗∗	21.47^∗∗	0.90^ns	0.23^ns	1.19^ns	0.42^ns	4.30^∗	0.54^ns	0.32^ns

Different letters between N fertilizer treatments under the same tillage practice indicate significant differences at the 5% level. N0, no N fertilizer; IF, inorganic N fertilizer; OF, organic N fertilizer; SRIF, slow-release N fertilizer combined with inorganic N fertilizer; OFIF, organic N fertilizer combined with inorganic N fertilizer; NT, no-tillage; CT, conventional intensive tillage. “^∗” and “^∗∗” mean P < 0.05 and P < 0.01, respectively; ns, not significant.