Table 1. Summary of crop management of wheat, corn and cotton crops and the field physiological sampling activities in the 2017–2018 growing season.
Item | Wheat | Corn | Cotton |
---|---|---|---|
Variety used | Gallagher | DKC64-69 | DP1044 |
Day of planting | 11/27/2017 | 3/7/2018 | 4/9/2018 |
Row spacing (cm) | 19 | 102 | 102 |
# Plants/m | 150 | 5.7 | 11 |
Precipitation received (mm) | 126 | 89 | 121 |
Irrigation applied (mm) | 83/62† | 330/229 | 362/273 |
Day of harvesting | 5/14/2018 | 8/1/2018 | 8/15/2018 |
Yield (ka/ha) | 4,712‡ | 7,912/5,746§ | 1,225/878¶ |
NDVI/LWP measured | 4/12/2018, 4/19/2018 | 6/7/2018, 6/11/2018 | 8/9/2018 |
Min/max air temperature (°C)$ | 15.8/30.5, 17.4/25.1 | 24.8/35.0, 24.6/35.5 | 24.9/36.5 |
Days after planting (DAP) | 136, 143 | 92, 96 | 113 |
Growth stage | Grain-filling | Grain-filling | 70% Boll open |
Notes:
Amount applied in the full and deficit irrigation treatment, respectively.
Grain yield under full irrigation.
Grain yield under full and deficit irrigation treatment, respectively.
Lint yield.
Hourly minimum/maximum temperature the ACS-430 Crop Circle sensor was exposed to during the measurement.