Table 4. 2-way ANOVA results of final sapling leaf nutrient content.
| Leaf nutrient Factor |
Deg. Freedom | Sum of Squares | Mean Square | F Statistic | p-value |
|---|---|---|---|---|---|
| N | |||||
| Biochar | 2 | 9388.000 | 4694.000 | 4.069 | 0.020 |
| Biofertilizer | 2 | 119358.000 | 59679.000 | 51.731 | <0.001 |
| Biochar x biofertilizer | 4 | 3623.000 | 906.000 | 0.785 | 0.537 |
| Error | 99 | 114209.000 | 1154.000 | ||
| P | |||||
| Biochar | 2 | 306.800 | 153.380 | 17.112 | <0.001 |
| Biofertilizer | 2 | 421.100 | 210.540 | 23.489 | <0.001 |
| Biochar x biofertilizer | 4 | 34.400 | 8.590 | 0.958 | 0.434 |
| Error | 99 | 887.400 | 8.960 | ||
| K | |||||
| Biochar | 2 | 13260.000 | 6630.000 | 11.936 | <0.001 |
| Biofertilizer | 2 | 30936.000 | 15468.000 | 27.847 | <0.001 |
| Biochar x biofertilizer | 4 | 1705.000 | 426.000 | 0.767 | 0.549 |
| Error | 99 | 54990.000 | 555.000 | ||
| Mg | |||||
| Biochar | 2 | 863.600 | 431.800 | 15.155 | <0.001 |
| Biofertilizer | 2 | 1959.500 | 979.800 | 34.387 | <0.001 |
| Biochar x biofertilizer | 4 | 19.700 | 4.900 | 0.173 | 0.952 |
| Error | 99 | 2820.700 | 28.500 | ||
| Ca | |||||
| Biochar | 2 | 5277.000 | 2639.000 | 4.29 | 0.016 |
| Biofertilizer | 2 | 46654.000 | 23327.000 | 37.93 | <0.001 |
| Biochar x biofertilizer | 4 | 835.000 | 209.000 | 0.34 | 0.851 |
| Error | 99 | 60892.000 | 615.000 |
Significant results (p < 0.05) are bold.