TABLE 2.
Season | Sowing date | Water regime | Yield (g m–2) | Seasonal rainfall + irrigation (mm) | Daily average for the critical period | Thermal time from sowing to (°Cd) | |||||||
Tmax (°C) | Tmin (°C) | Radiation (MJ m–2) | VPD (kPa) | PTQ (MJ m–2°C–1) | F | PE | EoF | M | |||||
2018 | Early | Wet | 221 | 289 | 16.9 | 7.1 | 9.9 | 0.7 | 0.8 | 1411 | 1575 | 2318 | 2835 |
Early | Dry | 21 | 117 | 16.9 | 4.9 | 12.7 | 0.8 | 1.2 | 1337 | 1467 | 1670 | 2008 | |
Late | Wet | 110 | 240 | 21.6 | 4.5 | 18.2 | 1.3 | 1.5 | 1167 | 1280 | 1570 | 1827 | |
Late | Dry | 77 | 203 | 21.7 | 4.1 | 18.8 | 1.4 | 1.6 | 1160 | 1282 | 1537 | 1769 | |
2019 | Early | Wet | 145 | 332 | 20.8 | 5.9 | 14.8 | 1.2 | 1.2 | 1451 | 1585 | 2069 | 2362 |
Early | Dry | 71 | 156 | 18.4 | 3.8 | 14.5 | 1.0 | 1.4 | 1408 | 1519 | 1740 | 2057 | |
Late | Wet | 131 | 324 | 23.5 | 6.2 | 19.7 | 1.6 | 1.5 | 1039 | 1131 | 1350 | 1582 | |
Late | Dry | 183 | 218 | 25.6 | 7.6 | 19.4 | 1.8 | 1.3 | 1127 | 1223 | 1533 | 1840 |
Tmax is maximum temperature, Tmin is minimum temperature, VPD is vapor pressure deficit, and PTQ is photothermal quotient. Critical period was between flowering and 200°Cd after flowering, averaged across varieties.