Table 2.
Interaction effects between salinity (S), deficit irrigation (DI) and biochar (BC) on tomato plant morphological traits such as plant height (cm), leaf area index (m2), stem diameter (mm), and fresh and dry weight (kg) and (g), respectively.
| Salinity | Irrigation Levels (%ETc) |
Biochar (%) |
Height (cm) |
Leaf Area Index (m2) |
Stem Diameter (mm) | Fresh Weight of Plant (kg) |
Dry Weight of Plant (g) |
|---|---|---|---|---|---|---|---|
| S 0.9 ds m−1 | 100 | BC0% | 363.49 bc | 0.81 b | 18.14 b | 1.99 b | 234.75 c |
| BC5% | 383.82 a | 0.85 a | 19.17 a | 2.14 a | 255.00 ab | ||
| 80 | BC0% | 348.34 de | 0.71 ef | 15.49 de | 1.82 d | 221.15 de | |
| BC5% | 366.63 b | 0.79 bc | 18.53 ab | 2.07 ab | 265.52 a | ||
| 60 | BC0% | 310.89 g | 0.68 fg | 13.85 fg | 1.55 f | 210.94 ef | |
| BC5% | 334.07 f | 0.76 cd | 16.09 d | 1.72 e | 217.32 e | ||
| 40 | BC0% | 268.67 i | 0.62 h | 11.58 hi | 1.40 h | 181.76 h | |
| BC5% | 296.51 h | 0.66 g | 12.38 h | 1.47 gh | 201.03 fg | ||
| S 2.3 ds m−1 | 100 | BC0% | 336.18 ef | 0.72 de | 14.66 ef | 1.79 de | 231.48 cd |
| BC5% | 352.55 cd | 0.76 c | 16.94 c | 1.91 c | 243.10 bc | ||
| 80 | BC0% | 304.21 gh | 0.67 fg | 13.28 g | 1.50 fg | 195.82 g | |
| BC5% | 312.35 g | 0.66 g | 12.18 h | 1.56 f | 208.91 ef | ||
| 60 | BC0% | 256.71 i | 0.60 h | 11.33 i | 1.23 i | 182.15 h | |
| BC5% | 233.79 j | 0.54 i | 10.89 ij | 1.13 j | 178.49 hi | ||
| 40 | BC0% | 240.33 j | 0.56 i | 10.30 j | 1.05 k | 166.56 i | |
| BC5% | 217.42 k | 0.49 j | 9.30 k | 0.96 l | 147.34 j |
According to the LSD test, values with the same letter are not significantly different at the 0.05 probability level.