Treatments | Biological yield (kg/fed.) | Seed yield (kg/fed.) | Straw yield (kg/fed.) | 1000-seed weight (g) | Harvest index (%) |
---|---|---|---|---|---|
Zero N | Â | Â | Â | Â | Â |
 20,000 plants/fed | 379.9 | 161.1 | 218.7 | 2.91 | 42.5 |
 36,000 plants/fed | 590.4 | 280.0 | 310.4 | 3.03 | 47.5 |
50 kg N/fed |  |  |  |  |  |
 20,000 plants/fed | 563.8 | 260.2 | 303.6 | 3.30 | 46.2 |
 36,000 plants/fed | 925.2 | 442.9 | 482.3 | 3.09 | 47.9 |
100 kg N/fed |  |  |  |  |  |
 20,000 plants/fed | 752.8 | 341.0 | 411.8 | 3.38 | 45.3 |
 36,000 plants/fed | 1141.8 | 550.1 | 591.7 | 3.25 | 48.2 |
L.S.D. (0.05) | 45.5 | 13.7 | 33.8 | N.S | 2.7 |