Table 3. P values at ≥ 95% confidence interval of two-way analysis of variance with biochar, PGPR, biochar × PGPR and Biochar*PGPR* WHC as factors.
The bold numbers under a factor represent significant effect of that factor on the relevant dependent variable.
| Dependent variable | Biochar | PGPR | Biochar*PGPR | Biochar*PGPR* WHC | |
|---|---|---|---|---|---|
| Plant height | 0.001 | 0.000 | 0.000 | 0.050 | |
| Root length | 0.001 | 0.000 | 0.000 | 0.175 | |
| No. of tillers/pot | 0.00 | 0.000 | 0.004 | 0.561 | |
| No. of spikes/pot | 0.411 | 0.833 | 0.000 | 0.035 | |
| Straw yield/pot | 0.004 | 0.000 | 0.000 | 0.515 | |
| 100-grain weight | 0.044 | 0.000 | 0.005 | 0.233 | |
| Grain yield/ha | 0.001 | 0.824 | 0.000 | 0.021 | |
| Grain total P | 0.000 | 0.000 | 0.768 | 0.000 | |
| Straw total P | 0.001 | 0.000 | 0.334 | 0.169 | |
| Roots total P | 0.000 | 0.000 | 0.000 | 0.000 | |
| Grain total N | 0.000 | 0.559 | 0.000 | 0.885 | |
| Straw total N | 0.000 | 0.756 | 0.000 | 0.745 | |
| Roots total N | 0.000 | 0.665 | 0.001 | 0.803 | |
| Grains K+/Na+ | 0.000 | 0.000 | 0.000 | 0.916 | |
| Straw K+/Na+ | 0.000 | 0.000 | 0.000 | 0.083 | |
| Roots K+/Na+ | 0.000 | 0.001 | 0.000 | 0.549 | |
| Soil pH | 0.114 | 0.473 | 0.867 | 0.952 | |
| Soil EC | 0.002 | 0.000 | 0.000 | 0.568 | |
| Soil MBC | 0.000 | 0.000 | 0.000 | 0.213 | |
| Soil K+/Na+ | 0.000 | 0.060 | 0.000 | 0.293 | |
| Plant available P | 0.000 | 0.000 | 0.220 | 0.745 | |
| Soil ammonium nitrogen | 0.003 | 0.982 | 0.000 | 0.996 | |
| Soil nitrate nitrogen | 0.000 | 0.448 | 0.094 | 0.094 | |
| Chitinase activity | 0.691 | 0.000 | 0.000 | 0.370 | |
| Acid phosphatase activity | 0.560 | 0.001 | 0.000 | 0.227 | |
| Beta-glucosidase activity | 0.022 | 0.007 | 0.000 | 0.250 | |
| Leucine aminopeptidase (LAP) activity | 0.294 | 0.591 | 0.782 | 0.731 |