Table 2.
Relative abundance of fungal phyla in the new rotation systems compared to those present prior to the experiment.
| Cropping systems | Relative abundances of fungal phylum % | |||||||
|---|---|---|---|---|---|---|---|---|
| Ascomycota | Basidiomycota | Mortierellomycota | Mucoromycota | Chytridiomycota | Unidentified | |||
| Prior to experiment: | Wheat | Maize | 63.3 b | 3.4 c | 7.3 b | 8.5 a | 2.4 a | 15.3 a |
| New rotations: | VetchRye | Soya | 70.5 a | 7.5 ab | 5.7 b | 12.0 a | 0.5 b | 3.8 b |
| Vetch | Soya | 69.9 a | 7.5 ab | 6.3 b | 10.3 a | 0.6 b | 5.5 b | |
| Fallow | Soya | 70.7 a | 7.2 ab | 6.2 b | 12.0 a | 0.4 b | 3.4 b | |
| VetchRye | Maize | 69.2 a | 3.3 c | 10.4 a | 13.2 a | 0.6 b | 3.3 b | |
| Vetch | Maize | 71.2 a | 6.0 b | 7.4 b | 12.2 a | 0.3 b | 2.9 b | |
| Fallow | Maize | 72.9 a | 8.5 a | 6.0 b | 9.2 a | 0.6 b | 2.6 b | |
| One-way ANOVA (P-value): effects of the cropping system conversion | ||||||||
| Cropping system conversion | 0.01 | 0.13 | 0.81 | 0.29 | <0.001 | <0.001 | ||
| Two-way ANOVA (P-value): effects of cover crops and grain crops in new rotation systems | ||||||||
| Cover crop | 0.58 | 0.02 | 0.008 | 0.53 | 0.86 | 0.28 | ||
| Grain crop | 0.64 | 0.03 | <0.001 | 0.93 | 0.69 | 0.16 | ||
| Cover crop × Grain crop | 0.6 | 0.07 | <0.001 | 0.36 | 0.05 | 0.41 | ||
Lowercase letters indicate significant differences among the crop rotation systems in volumes at p ≤ 0.05. Bold numbers indicate significant effects at p ≤ 0.05.