Table 3.

Effects of N application on N accumulation amount different growth stage.

Treatment		Wintering stage	Jointing stage	Booting stage	Anthesis stage	Maturity stage
2020–2021	N0	39.06 cd	63.28 e	138.29 e	160.96 e	191.41 f.
	N90	41.94 bc	68.18 d	148.54 d	180.07 d	212.85 e
	N180	43.45 b	75.43 c	154.08 c	188.16 c	223.53 d
	N210	44.42 b	78.03 bc	165.76 b	192.74 c	228.54 c
	N240	47.15 a	92.23 a	177.87 a	220.05 a	262.61 a
	N270	44.59 b	78.98 b	147.34 d	205.86 b	241.44 b
	N300	37.26 d	63.89 e	144.42 d	181.26 d	215.00 e
2021–2022	N0	30.21 d	53.28 d	118.32 f.	145.76 d	174.76 e
	N90	35.54 c	58.74 c	125.45 e	160.61 bc	197.23 d
	N180	38.57 bc	62.13 bc	134.38 cd	168.46 b	207.58 c
	N210	43.52 a	68.50 a	145.66 a	185.44 a	229.61 a
	N240	41.65 ab	62.52 b	141.27 b	182.45 a	226.28 ab
	N270	39.67 b	58.59 c	137.54 c	179.60 a	223.09 b
	N300	31.43 d	51.38 d	134.82 cd	158.68 c	200.25 d
F-value
Year (Y)		*	*	*	*	*
Nitrogen (N)		**	**	**	**	**
Y × N		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 difference between the two optimal N rates at 0.01 and 0.05 probability levels, respectively.