| Growth stage | Soil moisture (% FC) | Shoot biomass (gm) | Protein (%) |
| V14 | 100 | 313 bcd | 10.08 e |
| V14 | 75 | 320 bcd | 10.65 b |
| V14 | 50 | 369 a | 11.00 a |
| R1 | 100 | 357 ab | 10.03 e |
| R1 | 75 | 329 abc | 10.53 bc |
| R1 | 50 | 324 abc | 11.1 a |
| R3 | 100 | 296 cd | 10.23 de |
| R3 | 75 | 326 abc | 10.15 e |
| R3 | 50 | 329 abc | 10.03 e |
| R5 | 100 | 308 cd | 10.11 e |
| R5 | 75 | 309 cd | 10.55 bc |
| R5 | 50 | 279 d | 10.43 cd |