Open Access
Table 2
Comparison of safflower characteristic under different fertilizer levels in the first year.
| Fertilizer treatments | Chlorophyll index | LAI | Plant height (cm) |
Number of lateral stems | Number of capitula per plant | ||
|---|---|---|---|---|---|---|---|
| Control | 33.33±1.84c | 2.37±0.09c | 56.2±2.46b | 5.2±0.5b | 9.37±1.11bc | ||
| 100% UR | 47.1±2.35ab | 3.78±0.09a | 66.83±4.19ab | 8.17±1.28a | 8.27±0.44bc | ||
| NPK | 54.14±2.42a | 3.31±0.08b | 74.03±7.94a | 7.83±0.94a | 12.64±1.28a | ||
| PSB+100% UR | 51.27±1.47ab | 3.74±0.12a | 65.93±1.14ab | 6.53±0.66ab | 9.9±0.44abc | ||
| PSB+50% UR | 47.17±2.91ab | 3.52±0.31ab | 68.27±3.06ab | 7.37±0.78ab | 11.1±1.38ab | ||
| PSB+NPK | 44.57±3.62b | 3.38±0.04ab | 63.47±1.23ab | 7.47±0.6ab | 7.8±0.76c | ||
| LSD=0.05 | 8.12 | 0.41 | 13.64 | 2.56 | 3.06 | ||
| Fertilizer treatments | Capitulum weight per plant (g) | Number of seeds per capitulum | 1000-Seed weight (g) | Biological yield (g/m2) | Seed yield (g/m2) | Oil content (%) | Oil yield (g/m2) |
| Control | 19.13±0.87b | 31.67±3.92c | 16.2±2.53b | 272.93±12.84d | 131.51±16.48d | 19.93±1.13c | 26.20±3.55d |
| 100% UR | 26.93±1.85a | 57.93±5.58ab | 28.65±0.81a | 566.15±46.73ab | 265.89±21.18ab | 25.67±0.87ab | 68.04±4.44ab |
| NPK | 27±2.28a | 48.27±3.96ab | 28.03±1.13a | 670.48±57.17a | 296.18±19.04a | 26.24±0.83ab | 77.719±6.99a |
| PSB+100% UR | 26.07±1.85a | 44.24±2.18bc | 29.44±0.86a | 488.967±39.95bc | 207.53±14.99c | 27.27±1.2a | 41.037±9.02cd |
| PSB+50% UR | 27.18±1.73a | 47.6±2.48ab | 29.27±1.83a | 442.61±29.97c | 256.03±24.40abc | 22±2.08bc | 55.31±3.55bc |
| PSB+NPK | 25.3±2.33ab | 61.8±5.5a | 26.69±2.06a | 470.3.9±48.98bc | 238.73±22.47bc | 24.67±2.26ab | 58.58±5.98b |
| LSD=0.05 | 6.26 | 14.28 | 5.23 | 120.53 | 53.88 | 4.68 | 14.34 |
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