Number of spikes/m²

Number of spikelets/spike

1000 grain weight, gm

Grain yield, gm/plot

Straw yield, gm/plot

Biological yield, gm/plot

Harvest

index

Nitrogen fertilizer rates

75 kg N/fed

226.1 b

18.7 a

43.9 b

566.5 b

958.6 b

1525.2 b

0.37 a

100 kg N/fed

242.4 ab

18.8 a

46.0 a

573.8 ab

977.4 b

1551.3 b

0.36 a

125 kg N/fed

251.0 a

18.8 a

46.1 a

596.8 a

1039.6 a

1636.4 a

0.36 a

Salicylic acid

Control

226.0 c

18.8 a

43.5 c

511.2 c

896.5 c

1407.7 c

0.36 a

SA1 (50 ppm)

241.2 b

18.7 a

45.1 b

585.0 b

985.2 b

1570.2 b

0.37 a

SA2 (100 ppm)

252.3 a

18.8 a

47.5 a

641.0 a

1093.9 a

1734.9 a

0.37 a