Table 1.
Community similarity (as assessed based on presence-absence of bacterial OTUs, Jaccard, or relative abundance of OTUs, theta, metrics and analyzed by AMOVA) for bacterial communities in E. purpurea under the different cultivation conditions tested.
Plant part | Soil condition | p value | Jaccard Pairwise p value | ||||
---|---|---|---|---|---|---|---|
Jaccard | Theta | T1 vs T5 | T1 vs T4 | T2 vs T5 | T2 vs T3 | ||
Root | Organic matter | <0.001* | 0.044* | 0.006 | 0.008 | 0.011 | — |
Nitrogen | 0.208 | 0.366 | — | — | — | — | |
Moisture content | 0.436 | 0.373 | — | — | — | — | |
Aerial | Organic matter | <0.001* | 0.21 | 0.002** | 0.009 | 0.007 | — |
Nitrogen | 0.119 | 0.783 | — | — | — | — | |
Moisture content | 0.05 | 0.486 | — | — | — | 0.014 |
% organic matter in soil T1 (67.5%) – T2 (23.2%) – T3 (10.4%) – T4 (5.6%) – T5 (2.5%), soil nitrogen fertilization T1 (200 Kg/h) – T2 (150 Kg/h) – T3 (100 Kg/h) – T4 (50 Kg/h) – T5 (0 Kg/h) and soil moisture field capacity T1 (full field) – T2 (3/4 of field) – T3 (1/2 field). *Statistically significant difference among treatments in each condition using an alpha of 0.05.
**Statistically significant pairwise comparison using an alpha of 0.005.