Table 6.
The effects of salinity (S), deficit irrigation (DI), and biochar (BC) on a reduction in yield, saving water, total fruit yield (kg m−2), and WUE (kg m−3) (B) for tomato plants.
| Treatments | Total Water Applied (m−3/ m−2) |
Saving Water (%) |
Total Yield (kg/ m−2) |
Reduction in Yield (%) |
WUE (kg m−3) |
Improvement in WUE (%) |
|---|---|---|---|---|---|---|
| Salinity | ||||||
| S 0.9 ds m−1 | ------ | ------ | 17.42 a | 00.00 | 36.53 a | 00.00 |
| S 2.3 ds m−1 | ------ | ------ | 14.87 b | 14.64 | 30.76 b | −15.80 |
| Irrigation Levels (%ETc) | ||||||
| 100 | 0.738 | 0.00 | 18.85 a | 0.00 | 25.54 d | 00.00 |
| 80 | 0.591 | 19.92 | 16.74 b | 11.19 | 28.34 c | 10.96 |
| 60 | 0.443 | 39.98 | 15.50 c | 17.77 | 34.98 b | 36.96 |
| 40 | 0.295 | 60.03 | 13.50 d | 28.38 | 45.72 a | 79.01 |
| Biochar | ||||||
| BC0% | ------- | ------ | 15.93 b | 0.00 | 33.46 b | 0.00 |
| BC5% | ------- | ------ | 16.36 a | −2.70 | 33.83 a | 1.11 |
According to the LSD test, values with the same letter are not significantly different at the 0.05 probability level.