mean effects of K and foliar application of Zn and P on dry matter yield, chlorophyll and uptake of K, Zn and P by cotton plants (Season II, sampled 105 days after planting)
| Treatments | Dry matter yield (g plant−1) | Chlorophyll (mg L−1) | K uptake (mg plant−1) | Zn uptake (μg plant−1) | P uptake (mg plant−1) |
| K rate (kg ha−1) | |||||
| 0.0 (control) | 29.85 | 4.593 | 1 564.5 | 1 717 | 98.66 |
| 47.4 | 41.12 | 7.146 | 2 006.4 | 2 150 | 119.19 |
| LSD (P = 0.05) | 1.166 | 0.225 | 122.91 | 251 | 11.86 |
| Zn rate (g ha−1) | |||||
| 0.0 (control) | 31.21 | 5.286 | 1 573.8 | 1 786 | 97.13 |
| 57.6 | 39.76 | 6.453 | 1 997.2 | 2 081 | 120.72 |
| LSD (P = 0.05) | 1.166 | 0.225 | 122.91 | 251 | 11.86 |
| P rate (g ha−1) | |||||
| 0.0 (control) | 33.50 | 5.123 | 1 768.7 | 1 974 | 91.50 |
| 576 | 34.56 | 5.696 | 1 754.1 | 1 954 | 108.56 |
| 1 152 | 36.27 | 6.178 | 1 768.1 | 1 829 | 116.19 |
| 1 728 | 37.59 | 6.479 | 1 851.0 | 1 977 | 119.44 |
| LSD (P = 0.05) | 1.649 | 0.318 | n.s. | n.s. | 16.77 |
| Treatments | Dry matter yield (g plant−1) | Chlorophyll (mg L−1) | K uptake (mg plant−1) | Zn uptake (μg plant−1) | P uptake (mg plant−1) |
| K rate (kg ha−1) | |||||
| 0.0 (control) | 29.85 | 4.593 | 1 564.5 | 1 717 | 98.66 |
| 47.4 | 41.12 | 7.146 | 2 006.4 | 2 150 | 119.19 |
| LSD (P = 0.05) | 1.166 | 0.225 | 122.91 | 251 | 11.86 |
| Zn rate (g ha−1) | |||||
| 0.0 (control) | 31.21 | 5.286 | 1 573.8 | 1 786 | 97.13 |
| 57.6 | 39.76 | 6.453 | 1 997.2 | 2 081 | 120.72 |
| LSD (P = 0.05) | 1.166 | 0.225 | 122.91 | 251 | 11.86 |
| P rate (g ha−1) | |||||
| 0.0 (control) | 33.50 | 5.123 | 1 768.7 | 1 974 | 91.50 |
| 576 | 34.56 | 5.696 | 1 754.1 | 1 954 | 108.56 |
| 1 152 | 36.27 | 6.178 | 1 768.1 | 1 829 | 116.19 |
| 1 728 | 37.59 | 6.479 | 1 851.0 | 1 977 | 119.44 |
| LSD (P = 0.05) | 1.649 | 0.318 | n.s. | n.s. | 16.77 |
n.s., not significant.
mean effects of K and foliar application of Zn and P on dry matter yield, chlorophyll and uptake of K, Zn and P by cotton plants (Season II, sampled 105 days after planting)
| Treatments | Dry matter yield (g plant−1) | Chlorophyll (mg L−1) | K uptake (mg plant−1) | Zn uptake (μg plant−1) | P uptake (mg plant−1) |
| K rate (kg ha−1) | |||||
| 0.0 (control) | 29.85 | 4.593 | 1 564.5 | 1 717 | 98.66 |
| 47.4 | 41.12 | 7.146 | 2 006.4 | 2 150 | 119.19 |
| LSD (P = 0.05) | 1.166 | 0.225 | 122.91 | 251 | 11.86 |
| Zn rate (g ha−1) | |||||
| 0.0 (control) | 31.21 | 5.286 | 1 573.8 | 1 786 | 97.13 |
| 57.6 | 39.76 | 6.453 | 1 997.2 | 2 081 | 120.72 |
| LSD (P = 0.05) | 1.166 | 0.225 | 122.91 | 251 | 11.86 |
| P rate (g ha−1) | |||||
| 0.0 (control) | 33.50 | 5.123 | 1 768.7 | 1 974 | 91.50 |
| 576 | 34.56 | 5.696 | 1 754.1 | 1 954 | 108.56 |
| 1 152 | 36.27 | 6.178 | 1 768.1 | 1 829 | 116.19 |
| 1 728 | 37.59 | 6.479 | 1 851.0 | 1 977 | 119.44 |
| LSD (P = 0.05) | 1.649 | 0.318 | n.s. | n.s. | 16.77 |
| Treatments | Dry matter yield (g plant−1) | Chlorophyll (mg L−1) | K uptake (mg plant−1) | Zn uptake (μg plant−1) | P uptake (mg plant−1) |
| K rate (kg ha−1) | |||||
| 0.0 (control) | 29.85 | 4.593 | 1 564.5 | 1 717 | 98.66 |
| 47.4 | 41.12 | 7.146 | 2 006.4 | 2 150 | 119.19 |
| LSD (P = 0.05) | 1.166 | 0.225 | 122.91 | 251 | 11.86 |
| Zn rate (g ha−1) | |||||
| 0.0 (control) | 31.21 | 5.286 | 1 573.8 | 1 786 | 97.13 |
| 57.6 | 39.76 | 6.453 | 1 997.2 | 2 081 | 120.72 |
| LSD (P = 0.05) | 1.166 | 0.225 | 122.91 | 251 | 11.86 |
| P rate (g ha−1) | |||||
| 0.0 (control) | 33.50 | 5.123 | 1 768.7 | 1 974 | 91.50 |
| 576 | 34.56 | 5.696 | 1 754.1 | 1 954 | 108.56 |
| 1 152 | 36.27 | 6.178 | 1 768.1 | 1 829 | 116.19 |
| 1 728 | 37.59 | 6.479 | 1 851.0 | 1 977 | 119.44 |
| LSD (P = 0.05) | 1.649 | 0.318 | n.s. | n.s. | 16.77 |
n.s., not significant.
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