Source of variation | P value | ||||||||
PH | AGR*PH30-45 | SD | AGR*SD30-45 | NL | AGR*NL30-45 | LA | AGR*LA 30-45 | ||
Biochar (B) | 0.0178 | 0.011 | 0.00 | 0.0009 | 0.000 | 0.0008 | 0.000 | 0.0005 | |
Linear Regression | 0.272 | 0.003 | 0.00 | 0.001 | 0.000 | 0.000 | 0.000 | 0.000 | |
Quadratic Regression | 0.006 | 0.732 | 0.001 | 0.820 | 0.060 | 0.189 | 0.032 | 0.314 | |
Nitrogen (N) | 0.5471 | 0.021 | 0.004 | 0.3147 | 0.4693 | 0.1590 | 0.439 | 0.474 | |
Linear Regression | 0.496 | 0.089 | 0.000 | 0.111 | 0.145 | 0.028 | 0.131 | 0.131 | |
Quadratic Regression | 0.458 | 0.015 | 0.640 | 0.471 | 0.607 | 0.708 | 0.670 | 0.965 | |
Interaction (B × N) | 0.5206 | 0.315 | 0.869 | 0.8631 | 0.5559 | 0.3052 | 0.786 | 0.664 | |
CV (%) | 11.20 | 8.78 | 7.54 | 1.72 | 18.18 | 9.50 | 18.64 | 16.00 |