| Nitrogen sources (N) (kg∙ha−1) | Tiller m−2 (No.) | Panicle m−2 (No.) | Grain yield (t∙ha−1) | Straw yield (t∙ha−1) |
| BRRI dhan28 | ||||
| Control | 224 | 214 | 3.80 | 4.22 |
| Urea | 321 | 309 | 6.69 | 6.94 |
| Urea + CD | 313 | 299 | 6.07 | 6.33 |
| CD | 261 | 250 | 4.61 | 4.85 |
| Urea + PM | 301 | 286 | 6.46 | 6.52 |
| PM | 274 | 265 | 6.46 | 6.61 |
| Avg. | 282 | 271 | 5.68 | 5.91 |
| BRRI dhan29 | ||||
| Control | 218 | 209 | 4.53 | 5.02 |
| Urea | 383 | 361 | 7.54 | 7.73 |
| Urea + CD | 361 | 346 | 7.35 | 7.66 |
| CD | 256 | 243 | 5.63 | 5.76 |
| Urea + PM | 373 | 347 | 7.63 | 7.94 |
| PM | 362 | 346 | 7.10 | 7.32 |
| Avg. | 326 | 309 | 6.63 | 6.91 |
| LSD0.05 for N | 29.27 | 28.48 | 0.25 | 0.33 |
| LSD0.05 for V | 16.90 | 16.44 | 0.15 | 0.19 |
| LSD0.05 for N × V | 41.40 | 40.28 | NS | NS |
| CV (%) | 9.5 | 9.7 | 4.0 | 5.0 |