Table 6.

Effects of N application on yield and its components of winter wheat.

Treatment		Spike number (104 ha–1)	Grain number Per spike	1000–grain weight (g)	Yield (kgha–1)
2020–2021	N0	798.50 d	29.60 b	36.88 b	7361.43 d
	N90	839.25 c	31.86 ab	40.34 ab	8744.40 c
	N180	868.50 b	31.34 ab	40.19 ab	9442.93 b
	N210	870.00 b	31.50 ab	40.42 ab	9629.55 b
	N240	900.25 a	32.58 a	43.85 a	10,829.13 a
	N270	870.25 b	32.22 a	42.76 a	9891.35 b
	N300	809.50 d	29.69 b	38.00 b	7444.98 d
2021–2022	N0	765.75 cd	29.69 ab	37.76 c	7279.83 d
	N90	804.00 b	30.26 ab	41.82 b	8571.50 c
	N180	826.75 ab	30.62 a	43.20 ab	8924.90 b
	N210	853.50 a	30.70 a	45.04 a	9568.55 a
	N240	837.25 a	31.23 a	44.89 a	9400.73 a
	N270	798.50 bc	29.60 ab	42.61 ab	8728.68 bc
	N300	756.25 d	28.23 b	38.51 c	7071.98 d
F-value
Year (Y)		*	*	*	*
Nitrogen (N)		**	**	**	**
Y × N		ns	ns	ns	ns

The means are not significantly different within a given season when followed by the same lowercase letter using LSD at p < 0.05. “*” and “**”, indicate significant.