Table 5. Dry matter accumulation, N uptake and grain yield per pot at tillering, heading and physiological maturity.

Treatment	GY (g pot−1)	DM (g pot−1)			N uptake (g pot−1)
		Till	Head	Mat	Till	Head	Mat
S1
N1C	93 ± 7.9b	60.7 ± 6.5b	113.9 ± 4.5e	158.8 ± 9.5c	0.78 ± 0.06d	1.12 ± 0.05d	3.35 ± 0.07d
N2C	96.6 ± 5.12b	69.4a ± 9.8b	145.2 ± 3.03cd	177.8 ± 3b	1.38 ± 0.15d	1.79 ± 0.1b	5.37 ± 0.2b
N1B1	123 ± 5.0b	66.4 ± 5.4b	141.8 ± 5.4d	188.6 ± 6.5a	0.84 ± 0.03b	1.59 ± 0.02c	4.77 ± 0.01c
N1B2	97.2 ± 7.3b	60.6a ± 4.1b	152.6 ± 4.3abc	189.1 ± 6.4a	1.62 ± 0.14c	1.61 ± 0.03c	4.83 ± 0.2c
N1B3	101.1 ± 6.8a	73.7 ± 2.2a	161.4 ± 12.1a	189.4 ± 9.4a	1.89 ± 0.08a	2.29 ± 0.3a	6.87 ± 0.1a
N2B1	116.7 ± 5.1a	74.2 ± 2.9a	151 ± 2.49bcd	188.7 ± 8.3a	1.64 ± 0.03b	2.16 ± 0.1a	6.49 ± 0.2a
N2B2	116.7 ± 3.7a	72.4 ± 4a	155.8 ± 3.1ab	193.5 ± 76a	1.90 ± 0.07a	2.34 ± 0.02a	7.0 ± 0.1a
N2B3	124.2 ± 5.8a	73.8 ± 4.7a	156.6 ± 3.4ab	194.7 ± 8.4a	1.89 ± 0.06a	2.33 ± 0.1a	6.99 ± 0.1a
S2
N1C	68.9 ± 5.5e	51.8 ± 8.4c	111.6 ± 4.5d	157.63 ± 10.5e	0.82 ± 0.2d	1.46 ± 0.02d	3.83 ± 0,1f
N2C	78.3 ± 8.3d	63.5 ± 9.8ab	14.90 ± 7.4c	196.48 ± 18d	1.11 ± 0.35c	1.89 ± 0.08bc	5.28 ± 0.23e
N1B1	95.8 ± 6.4c	55.5 ± 9.3bc	147.5 ± 9.41bc	184.90 ± 15c	0.91 ± 0.15cd	1.61 ± 0.04cd	6.30 ± 0.9cd
N1B2	112.4 ± 7.7b	54.6 ± 4.2bc	152.3 ± 5.3ab	189.52 ± 13c	1.640.22 ± b	1.77 ± 0.08cd	6.81 ± 0.11bc
N1B3	136.7 ± 5.4a	63.8 ± 4.8a	153.1 ± 4.8ab	191.34 ± 12ab	1.95 ± 0.17a	2.33 ± 0.05ab	7.34 ± 0.13ab
N2B1	82.3 ± 4.2d	68.3 ± 2.0a	148.7 ± 9.4abc	193.72 ± 6.8bc	1.65 ± 0.09b	2.20 ± 0.08ab	6.12 ± 0.04d
N2B2	137.4 ± 3.7a	64.4 ± 2.4a	153.5 ± 3.7ab	197.54 ± 9.8b	1.90 ± 0.32a	2.20 ± 0.07ab	7.32 ± 0.8ab
N2B3	135.2 ± 7.0a	66.1 ± 8.3a	154.3 ± 7.3a	199.38 ± 11a	1.92 ± 0.13a	2.20 ± 0.09a	7.40 ± 0.1a
SOV	GY	DM-till	DM-head	DM-Mat	N-till	N-head	N-Mat
Biochar (B)	**	**	**	**	**	**	**
Nitrogen(N)	**	**	**	**	**	**	**
Season(S)	*	*	ns	ns	ns	*	*
B × N	**	**	**	**	**	**	**
B × S	ns	ns	ns	ns	ns	ns	ns
N × S	*	ns	ns	ns	ns	ns	ns
B × N × S	ns	ns	ns	ns	ns	ns	ns

Notes.

DM

dry matter accumulation

GY

grain yield

N

nitrogen

till

tillering stage

head

heading stage

Mat

maturity stage

S1

early growing season

S2

late growing season

N₁C–N; lower dose + Control (no biochar), N ₂C–N; higher dose + Control (no biochar), N ₁B₁–N; lower dose + Biochar 20 t ha ⁻¹, N₁B₂–N; lower dose + Biochar 40 t ha⁻¹, N₁B₃–N; lower dose + Biochar 60 t ha⁻¹, N₂B ₁–N; higher dose + Biochar 20 t ha⁻¹, N₂B₂–N; higher dose + biochar 40 t ha ⁻¹, N₂B₃–N; higher dose + Biochar 60 t ha⁻¹, Values followed by the same letters, within column, are not significantly different at P ≤ 0.05. SOV-source of variation, ** indicate the significant difference P ≥0.01 and * indicate P = 0.01-0.05, ± value indicates standard deviation among the replications.