| Treatment | Air temperature (˚C) | Daily average air temperature (˚C) | Photoperiod (h) | PPFD1 (μmol∙m−2∙s−1) | DLI2 (mol∙m−2∙d−1) | PTR3 (mol∙m−2∙degree-day−1) | |
| Day | Night | ||||||
| L-PTR | 25 | 22 | 23.5 | 12 | 350 | 15.12 | 0.64 |
| H-PTR | 25 | 20.4 | 23.5 | 16 | 350 | 20.16 | 0.86 |