Table 5.
Number of 100 kernel weight, harvest index, shelling percentage, and water use efficiency under the effects of irrigation water salinity, maize cultivars, and silicon application during the 2019-20 and 2020-21 seasons.
| Treatments | Water use efficiency (kg m)-3 | Shelling percentage | Harvest index (%) | 100 kernel weight (g) | ||||
|---|---|---|---|---|---|---|---|---|
| Season 1 | Season 2 | Season 1 | Season 2 | Season 1 | Season 2 | Season 1 | Season 2 | |
| Salinity (mg L-1) | ||||||||
| 1000 | 1.07 a | 1.10 a | 77.00 c | 83.06 c | 0.31a | 0.35a | 34.85a | 33.11a |
| 2000 | 0.93 b | 0.96 b | 83.17 b | 91.06 b | 0.32a | 0.35a | 28.06b | 26.66b |
| 3000 | 0.72 c | 0.75 c | 89.69 a | 98.47 a | 0.31a | 0.34a | 21.42c | 20.34c |
| LSD | 0.051 | 0.055 | 11.06 | 11.85 | – | – | 5.02 | 4.76 |
| Maize cultivars | ||||||||
| ES 81 | 0.92 a | 0.94 a | 83.94a | 91.55a | 0.31a | 0.34a | 28.03a | 26.63a |
| ES 83 | 0.89 a | 0.92 a | 81.10a | 88.52a | 0.31a | 0.34a | 29.41a | 27.94a |
| ES90 | 0.91 a | 0.93 a | 84.82a | 92.51a | 0.31a | 0.34a | 26.89a | 25.54a |
| Silicon application (kg ha-1) | ||||||||
| 0 | 0.75 c | 0.77 c | 78.10c | 85.19c | 0.29b | 0.31b | 24.03c | 22.83c |
| 1 | 0.96 b | 0.99 b | 87.48a | 95.42a | 0.33a | 0.65a | 28.44b | 27.01b |
| 2 | 1.02 a | 1.05 a | 84.27b | 91.97b | 0.32a | 0.35 | 31.86a | 30.27a |
| LSD | 0.018 | 0.019 | 4.15 | 4.50 | 0.01 | 0.016 | 2.49 | 2.37 |
Values in the column with identical letter(s) do not substantially differ at the 5% level of probability.