| Treatment | Grain yield gain (%) |
| 0P0Ca0Mg | 0.00 ± 0.00c |
| 25Mg | 5.20 ± 1.38c |
| 25Ca50Mg | 11.97 ± 3.32bc |
| 50Ca | 12.86 ± 2.34bc |
| 25Ca75Mg | 13.01 ± 1.83bc |
| 75Ca25Mg | 16.36 ± 6.76bc |
| 25Ca | 16.38 ± 4.09bc |
| 75Ca75Mg | 16.86 ± 6.23bc |
| 75Ca50Mg | 17.68 ± 6.83bc |
| 50Mg | 18.91 ± 5.95bc |
| 75Mg | 19.53 ± 7.95bc |
| 25Ca25Mg | 21.05 ± 6.42bc |
| 75Ca | 22.27 ± 10.80bc |
| 50Ca75Mg | 31.43 ± 18.67bc |
| 75P25Ca | 101.82 ± 84.56abc |
| 50P50Ca75Mg | 110.76 ± 18.20ab |
| 50P50Ca | 111.82 ± 18.93ab |
| 50P50Mg | 112.18 ± 18.99ab |
| 50P50Ca50Mg | 113.55 ± 15.60ab |
| 75P50Ca50Mg | 115.31 ± 89.17ab |
| 50P25Ca | 133.99 ± 64.06has |
| 50P75Ca25Mg | 136.32 ± 67.44has |
| 50P50Ca25Mg | 142.09 ± 13.73has |
| 50P25Mg | 142.22 ± 59.82has |
| Probability (p) | 0.000 |
| Significance | HRT |