Evaluation of the Response of Sorghum to Tillage Systems and Nitrogen Fertilization

Table 4

Effect of tillage systems and nitrogen fertilizer interaction on the studied traits.

	Plant height (cm)		Leaf area (cm^2)		Number of grains panicle^−1		1000-kernel weight (g)		Grain yield (kg ha^−1)		Biomass yield (kg ha^−1)		Root dry matter (g root cm^−3)
Locations	QL	SHL	QL	SHL	QL	SHL	QL	SHL	QL	SHL	QL	SHL	QL	SHL
Tillage × fertilizer mean
NT × 0	124.89	117.33	2394.03	2156.09	1160.78	895.22	24.85	22.47	3773.99	2965.99	14857.22	12165.00	12.31	12.05
NT × 40	129.00	123.56	2697.04	2438.38	1363.56	990.67	25.93	23.59	3977.81	3198.70	15616.44	13173.89	13.64	12.30
NT × 80	130.67	125.11	2797.11	2528.17	1417.33	1080.33	28.06	26.36	4099.03	3299.92	15728.47	13055.89	14.34	12.57
NT × 120	131.67	127.44	2841.14	2555.14	1417.67	1294.44	28.78	25.78	4119.53	3335.97	16225.10	15005.44	15.52	14.64
RT × 0	130.00	121.78	2635.87	2378.03	1363.56	1117.33	26.96	24.52	3903.91	3108.13	15824.43	13261.22	21.83	20.53
RT × 40	132.33	123.56	2919.02	2646.86	1566.44	1199.11	29.38	27.14	4100.24	3316.68	16360.48	14046.89	23.24	21.03
RT × 80	136.11	129.33	3002.94	2726.06	1620.67	1278.22	30.75	27.91	4215.79	3422.24	17202.22	14548.22	24.35	21.34
RT × 120	136.44	131.11	3031.32	2742.54	1621.89	1481.78	32.35	29.51	4228.42	3438.20	16738.61	15760.22	24.37	22.80
CT × 0	132.22	126.22	2869.64	2603.37	1467.22	1164.56	28.32	24.91	3976.17	3181.50	16364.20	13188.00	24.53	22.62
CT × 40	139.56	130.67	3139.59	2863.81	1673.11	1238.00	30.45	27.41	4134.45	3335.34	17065.50	13933.44	25.98	22.78
CT × 80	142.11	135.78	3240.63	2955.41	1726.56	1329.56	32.57	29.53	4284.37	3467.48	17347.17	15532.89	26.55	22.95
CT × 120	142.22	138.44	3249.11	2956.72	1724.11	1517.89	34.17	30.16	4264.91	3444.68	17523.76	16490.33	27.36	24.81
L.S.D(0.05)		ns					ns	ns					ns	ns

^,Significant difference at 0.05 and 0.01 probability levels, respectively. ns: not significant.