Table 2.
Total water consumed, water use efficiency (WUE), product water use (PWU) and transpired water in tomatoes growing in soil (S), deep water culture (DWC) and drip irrigation (DI) in a polytunnel (2018) and glasshouse (2019).
| Parameter | Growth environment |
Growth environment |
||||
|---|---|---|---|---|---|---|
| Polytunnel experiment (2018) |
Glasshouse experiment (2019) |
|||||
| DWC | DI | S | DWC | DI | S | |
| Water Consumption (L plant−1) | 41.7 ± 8.14c | 70.34 ± 12.55b | 87.44 ± 3.97a | 48.07 ± 8.3b | 92.53 ± 13.64a | 102.89 ± 4.14a |
| WUE (Kg L−1) | 0.0059 ± 0.0050 | 0.0072 ± 0.0029 | 0.0035 ± 0.0022 | 0.0124 ± 0.0046a | 0.0099 ± 0.0033a | 0.0044 ± 0.0008b |
| PWU (L Kg−1) | 325.1 ± 89.9ab | 192.5 ± 68.5b | 497.7 ± 298.4a | 120.2 ± 23.7c | 224.98 ± 30.7b | 275.9 ± 41.1a |
| Water Transpired (L plant−1) | 31.8 ± 15.3b | 57.16 ± 9.9a | 70.83 ± 3.24a | 35.83 ± 11.38b | 49.77 ± 30.28b | 87.64 ± 5.65a |
Lower case letters indicate significant differences after Tukey’s post hoc test (significance level p < 0.05). Means with standard errors were calculated from 7 replicates.