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Table 3
Comparison of safflower characteristic under different fertilizer levels in second year.
| Fertilizer treatments | Chlorophyll index | LAI | Plant height (cm) | Number of lateral stems | Number of capitula per plant | ||
|---|---|---|---|---|---|---|---|
| Control | 34.9±3.25c | 1.75±0.15b | 56±3.17b | 7.93±0.9ab | 5.53±0.77cd | ||
| 100% UR | 48.06±1.91ab | 2.4±0.16a | 74.93±3.14a | 5.27±0.37d | 6±0.31bcd | ||
| NPK | 34.34±1.99c | 2.09±0.15ab | 67.8±2.4ab | 4.67±0.24d | 8.42±0.58a | ||
| PSB+100% UR | 50.67±2a | 2.12±0.18ab | 73.2±6.91a | 7.1±0.44bc | 7.33±0.44ab | ||
| PSB+50% UR | 43.8±4.22b | 1.81±0.03b | 70.2±1.62a | 8.67±0.55a | 7.21±0.78abc | ||
| PSB+NPK | 33.2±0.73c | 2.25±0.06a | 68.87±6.12ab | 5.6±0.87cd | 4.8±0.46d | ||
| LSD=0.05 | 6.78 | 0.40 | 13.51 | 1.54 | 1.72 | ||
| 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 | 17.75±1.3c | 24.99±2.18b | 20.8±0.44d | 300.33±36.34c | 163.9±12.72d | 22.87±1.46c | 37.69±4.54b |
| 100% UR | 24.95±2.04b | 34.44±0.8a | 29.82±0.87a | 381.52±22.45bc | 213.85±22.98cd | 32.5±0.67ab | 69.2±5.98a |
| NPK | 24.81±1.61b | 31.85±3.73ab | 28.4±0.04abc | 482.01±55.91ab | 233.08±23.36bc | 32.4±0.81ab | 75.89±9.47a |
| PSB+100% UR | 28.52±0.99ab | 34.71±2.57a | 27.01±0.93bc | 564.36±37.14a | 278.96±8.16ab | 27.43±2.42bc | 76.90±9.04a |
| PSB+50% UR | 29.26±0.39a | 35.5±1.71a | 26.55±1.16c | 556.67±28.64a | 212.33±12.17cd | 37.7±1.61a | 80.33±7.45a |
| PSB+NPK | 26.94±1.44ab | 36.7±1.79a | 28.89±0.7ab | 499.45±38.19ab | 290.78±6.19a | 31.5±2.48b | 91.65±7.92a |
| LSD=0.05 | 4.21 | 7.33 | 2.27 | 117.95 | 52.94 | 5.85 | 26.02 |
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