Slope, intercept, r2, and Prob > F values for linear fit models of soil properties to soil organic matter.
| Fit to soil organic matter (%) | Slope | Intercept | r2 | Prob > F |
|---|---|---|---|---|
| Bulk density (Mg m−3) | −4.31 | 11.48 | 0.1887 | <0.0001 |
| Gravimetric soil moisture (%) | 0.18 | 1.04 | 0.2252 | <0.0001 |
| pH (1:1) | 2.50 | −12.23 | 0.0617 | 0.0062 |
| Total N (%) | 15.12 | 2.15 | 0.4896 | <0.0001 |
| Bray P (mg kg−1) | 0.07 | 4.98 | 0.5023 | <0.0001 |
| Exchangeable K (mg kg−1) | 0.03 | 3.40 | 0.3436 | <0.0001 |
| Microbial respiration (mg kg−1 d−1) | 0.02 | 4.01 | 0.1308 | <0.0001 |