Table 2.
Temperature (°C), relative humidity (%), vapour pressure deficit (kPa) and daily ETo (mm/day) during the times and days that the Ψstem was evaluated and multispectral images were obtained for two hours of measurement and two campaigns in a commercial vineyard under two pruning treatments (mechanical and no pruning) in central Spain (Yepes, Toledo).
| 9:00 Solar Time | 12:00 Solar Time | ETo (mm/Day) | |||||
|---|---|---|---|---|---|---|---|
| Date | T (°C) | RH (%) | VPD (kPa) | T (°C) | RH (%) | VPD (kPa) | |
| 25 June 2021 | 27.4 | 43.9 | 2.05 | 33.5 | 29.8 | 3.63 | 6.6 |
| 5 July 2021 | 28.2 | 42.8 | 2.19 | 34.0 | 30.8 | 3.68 | 8.2 |
| 20 July 2021 | 28.8 | 39.6 | 2.39 | 35.9 | 19.8 | 4.74 | 7.9 |
| 30 July 2021 | 28.3 | 34.1 | 2.53 | 33.6 | 12.7 | 4.54 | 9.1 |
| 19 August 2021 | 28.7 | 41.0 | 2.32 | 33.1 | 22.8 | 3.91 | 6.3 |
| Average 2021 | 28.3 | 40.3 | 2.30 | 34.0 | 23.2 | 4.10 | 7.6 |
| 30 June 2022 | 27.5 | 28.2 | 2.64 | 30.0 | 23.1 | 3.25 | 7.0 |
| 15 July 2022 | 35.2 | 22.6 | 4.40 | 40.2 | 15.4 | 6.32 | 8.1 |
| 5 August 2022 | 29.1 | 37.7 | 2.52 | 36.6 | 18.4 | 5.01 | 7.3 |
| 12 August 2022 | 29.3 | 31.0 | 2.81 | 36.6 | 21.2 | 4.85 | 6.3 |
| Average 2022 | 30.3 | 29.8 | 3.09 | 35.8 | 19.5 | 4.86 | 7.2 |