Table 6.
Impact of nano- and mineral nitrogen fertilizers on the spike weight (g) of two wheat cultivars during the 2019/2020 and 2020/2021 seasons.
| Fertilization Source (F) | First Season | Mean (F) | Second Season | Mean (F) | |||
|---|---|---|---|---|---|---|---|
| Cultivar (C) | Cultivar (C) | ||||||
| Gemaiza-11 | Misr-1 | Gemaiza-11 | Misr-1 | ||||
| Untreat-control (without N) | 10.78 ± 0.73 | 9.67 ± 0.67 | 10.23 ± 48 C | 10.00 ± 0.87 f | 10.00 ± 0.52 f | 10.00 ± 0.75 E | |
| Mn-N (120 kg/ha) | 11.22 ± 0.85 | 12.56 ± 0.42 | 11.89 ± 0.52 B | 10.05 ± 0.62 f | 10.07 ± 0.74 f | 10.06 ± 0.87 DE | |
| Mn-N (240 kg/ha) | 12.33 ± 1.00 | 12.44 ± 0.71 | 12.39 ± 0.58 A | 10.10 ± 0.49 f | 11.20 ± 0.84 c | 10.65 ± 0.92 B | |
| Nan-N (7 L/ha) | 9.67 ± 0.94 | 12.56 ± 0.81 | 11.12 ± 0.92 B | 10.30 ± 0.84 ef | 10.30 ± 0.54 ef | 10.30 ± 0.67 CD | |
| Nan-N (14 L/ha) | 11.78 ± 0.85 | 11.67 ± 0.57 | 11.73 ± 0.54 B | 10.30 ± 0.75 ef | 10.70 ± 0.68 d | 10.50 ± 0.76 BC | |
| Mn-N 120 kg/ha + Nan-N 7 L/ha | 11.44 ± 0.52 | 12.78 ± 0.84 | 12.11 ± 0.95 AB | 10.50 ± 0.57 de | 10.09 ± 0.64 f | 10.30 ± 0.92 CD | |
| Mn-N 120 kg/ha + Nan-N 14 L/ha | 12.00 ± 0.92 | 13.56 ± 0.72 | 12.78 ± 0.72 A | 11.67 ± 0.80 b | 12.33 ± 0.39 a | 12.00 ± 1.02 A | |
| Mn-N 240 kg/ha + Nan-N 7 L/ha | 11.67 ± 0.54 | 13.44 ± 0.86 | 12.56 ± 0.84 A | 10.00 ± 0.92 f | 11.33 ± 0.81 bc | 10.67 ± 0.92 B | |
| Mn-N 240 kg/ha + Nan-N 14 L/ha | 11.33 ± 0.84 | 13.33 ± 0.81 | 12.33 ± 0.66 A | 10.03 ± 0.64 f | 10.04 ± 0.69 f | 10.04 ± 0.82 DE | |
| Mean (C) | 11.36 ± 0.75 B | 12.44 ± 0.87 A | 10.19 ± 0.57 | 10.52 ± 0.91 | |||
| ANOVA | df | ||||||
| Cultivar (C) | 1 | 0.049 | 0.121 | ||||
| Fertilization Source (F) | 8 | 0.046 | <0.001 | ||||
| F × C | 8 | 0.294 | 0.003 | ||||
Different uppercase letters indicate significant differences among the evaluated cultivars or fertilization sources at p < 0.05, while different lowercase letters indicate significant differences among their interactions.