Coefficients | P-value | ||||||
---|---|---|---|---|---|---|---|
Data set | a | b | c | d | Height | Area | Specific gravity |
1st year post-coppice | −6.425 | 1.111 | 0.554 | 1.013 | <0.0001 | <0.0001 | 0.007 |
2nd year post-coppice | −12.701 | 2.083 | 0.430 | 1.332 | <0.0001 | <0.0001 | <0.0001 |
3rd year post-coppice | −10.670 | 1.659 | 0.544 | 0.560 | <0.0001 | <0.0001 | 0.137 |