Table 6.
Nitrogen efficiency indexes for three Canola genotypes under different N applications without and with yeast extract.
| Studied factor | NUE | NRE | NHI | NPE | |
|---|---|---|---|---|---|
| Genotypes (G) | |||||
| G1 (AD201) | 21.01 ± 0.592a | 98.51 ± 4.132b | 65.00 ± 2.249a | 22.87 ± 0.812a | |
| G2 (Topaz) | 22.20 ± 0.684a | 106.75 ± 4.469a | 65.76 ± 2.457a | 22.15 ± 0.717a | |
| G3 (SemuDNK 234/84) | 21.79 ± 0.957a | 108.49 ± 5.257a | 64.30 ± 2.375 a | 21.32 ± 0.690a | |
| Fertilizer (F) | |||||
| F0 (control) | – | – | 41.74 ± 1.089e | 29.19 ± 0.683a | |
| F1 (95 kg N ha−1 without yeast) | 19.32 ± 1.332c | 87.15 ± 5.630d | 63.85 ± 1.085d | 22.18 ± 0.479bc | |
| F2 (120 kg N ha−1 without yeast) | 18.97 ± 0.704c | 83.90 ± 2.279d | 67.24 ± 0.759c | 22.60 ± 0.512b | |
| F3 (142 kg N ha−1 without yeast) | 21.06 ± 0.537bc | 106.37 ± 1.880bc | 72.21 ± 0.945b | 19.80 ± 0.313d | |
| F4 (95 kg N ha−1 with yeast) | 22.19 ± 0.810b | 103.23 ± 4.497c | 67.17 ± 0.912c | 21.57 ± 0.383c | |
| F5 (120 kg N ha−1 with yeast) | 23.19 ± 0.597ab | 117.44 ± 5.255b | 67.72 ± 1.533c | 19.92 ± 0.550d | |
| F6 (142 kg N ha−1 with yeast) | 25.27 ± 0.633a | 129.41 ± 3.330a | 75.22 ± 1.229a | 19.54 ± 0.247d | |
| Interaction | |||||
| G1 | F0 | – | – | 42.11 ± 0.848g | 30.53 ± 0.580a |
| F1 | 17.47 ± 1.159f | 75.51 ± 5.857j | 64.27 ± 0.805ef | 23.19 ± 0.421cd | |
| F2 | 21.18 ± 0.506bcdef | 88.30 ± 3.399ghij | 67.88 ± 1.650cdef | 24.01 ± 0.367c | |
| F3 | 20.00 ± 0.494def | 101.33 ± 2.121defghi | 70.92 ± 1.300abcd | 19.77 ± 0.846fg | |
| F4 | 22.28 ± 1.367abcde | 99.96 ± 8.079efghi | 66.81 ± 1.772def | 22.37 ± 0.538cde | |
| F5 | 21.21 ± 0.616bcdef | 102.45 ± 7.315defghi | 68.93 ± 2.589bcdef | 20.84 ± 1.084defg | |
| F6 | 23.94 ± 1.380abcd | 123.54 ± 7.691abcd | 74.07 ± 2.063abc | 19.40 ± 0.523g | |
| G2 | F0 | – | – | 41.66 ± 1.175g | 29.05 ± 1.535ab |
| F1 | 19.20 ± 0.842def | 90.67 ± 0.938fghij | 63.69 ± 1.110f. | 22.07 ± 1.027cdef | |
| F2 | 17.98 ± 0.770ef | 79.43 ± 4.062ij | 68.02 ± 0.269cdef | 22.66 ± 0.379cde | |
| F3 | 22.86 ± 0.683abcd | 112.29 ± 1.790bcdef | 75.10 ± 0.780ab | 20.35 ± 0.291efg | |
| F4 | 23.68 ± 1.844abcd | 110.21 ± 1.446bcdefg | 68.60 ± 0.926cdef | 21.60 ± 0.556cdefg | |
| F5 | 23.56 ± 0.646abcd | 120.45 ± 4.005abcde | 66.90 ± 0.708def | 19.57 ± 0.332fg | |
| F6 | 25.12 ± 0.691ab | 127.42 ± 4.467abc | 76.37 ± 1.102a | 19.73 ± 0.227fg | |
| G3 | F0 | – | – | 41.44 ± 0.838g | 27.98 ± 1.125b |
| F1 | 20.49 ± 2.077cdef | 95.27 ± 5.434fghij | 63.60 ± 1.727f | 21.27 ± 0.774defg | |
| F2 | 17.76 ± 1.202ef | 83.98 ± 3.824hij | 65.83 ± 1.619def | 21.13 ± 0.895defg | |
| F3 | 20.32 ± 0.552cdef | 105.47 ± 2.016cdefgh | 70.61 ± 1.378abcde | 19.27 ± 0.285g | |
| F4 | 20.60 ± 0.460bcdef | 99.53 ± 3.142efghi | 66.10 ± 2.166def | 20.73 ± 0.701defg | |
| F5 | 24.82 ± 0.367abc | 129.44 ± 8.538 ab | 67.33 ± 2.376def | 19.34 ± 1.303g | |
| F6 | 26.74 ± 0.683a | 137.27 ± 1.967a | 75.22 ± 2.441ab | 19.49 ± 0.619g | |
| ANOVA | df | ||||
| Genotypes (G) | 2 | < 0.001 | |||
| Fertilizer (F) level | 6 | < 0.001 | |||
| G × F | 12 | < 0.001 | |||