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Table 3

Influence of irrigation regimes on RUE by GY, number of tillers, plant height, spike length and number of spikelets per spike

TreatmentsRUE-GY (g MJ−1)
Number of tillers (m−2)
Plant height (cm)
Spike length (cm)
Spikelets per spike
2015–162016–17Mean2015–162016–17Mean2015–162016–17Mean2015–162016–17Mean2015–162016–17Mean
I1 1.07 1.08 1.08B 311 302 306B 94.0 93.3 93.7B 11.9 11.8 11.8B 16.3 16.2 16.3B 
I2 1.19 1.17 1.18A 334 326 330A 99.7 98.7 99.2A 14.1 14.5 14.3A 17.3 17.5 17.4A 
I3 0.97 0.96 0.97C 297 289 293B 89.4 89.9 89.7C 11.0 11.5 11.3C 15.1 14.9 15.0C 
I4 0.84 0.83 0.84D 259 251 255C 84.5 85.3 84.9D 10.4 10.2 10.3D 13.6 13.4 13.5D 
Mean 1.02 1.01  300 292  91.9 91.8  11.9 12.0  15.6 15.5  
LSD Y = ns, I = 0.0138, Y × I = ns Y = ns, I = 22.120, Y × I = ns Y = ns, I = 1.0651, Y × I = ns Y = ns, I = 0.3433, Y × I = ns Y = ns, I = 0.1870, Y × I = ns 
TreatmentsRUE-GY (g MJ−1)
Number of tillers (m−2)
Plant height (cm)
Spike length (cm)
Spikelets per spike
2015–162016–17Mean2015–162016–17Mean2015–162016–17Mean2015–162016–17Mean2015–162016–17Mean
I1 1.07 1.08 1.08B 311 302 306B 94.0 93.3 93.7B 11.9 11.8 11.8B 16.3 16.2 16.3B 
I2 1.19 1.17 1.18A 334 326 330A 99.7 98.7 99.2A 14.1 14.5 14.3A 17.3 17.5 17.4A 
I3 0.97 0.96 0.97C 297 289 293B 89.4 89.9 89.7C 11.0 11.5 11.3C 15.1 14.9 15.0C 
I4 0.84 0.83 0.84D 259 251 255C 84.5 85.3 84.9D 10.4 10.2 10.3D 13.6 13.4 13.5D 
Mean 1.02 1.01  300 292  91.9 91.8  11.9 12.0  15.6 15.5  
LSD Y = ns, I = 0.0138, Y × I = ns Y = ns, I = 22.120, Y × I = ns Y = ns, I = 1.0651, Y × I = ns Y = ns, I = 0.3433, Y × I = ns Y = ns, I = 0.1870, Y × I = ns 

Means sharing the same letter did not differ significantly at P = 0.05.

I1 = Full irrigation/Irrigation at all stages (control), I2 = irrigation at 45 mm potential soil moisture deficit, I3 = irrigation at 60 mm potential soil moisture deficit, I4 = irrigation at 75 mm potential soil moisture deficit, Y = sowing year, I = irrigation treatments, Y × I = interaction, ns = non-significant.

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