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Regression equations for P release (P) in Incubation 1. P max is the maximum P release, E f is the model efficiency index. Soil is given in grams and C in milligrams
| Duration | Phosphorus release (mg g−1), soil ≠ 0 | P max | E f |
|---|---|---|---|
| 738 | P = 0.27·e−3.2·soil + 0.33·(1 − e−1.5·C) | 0.61 | 0.90 |
| 861 | P = 0.34·e−2.1·soil + 0.35·(1 − e−0.6·C) | 0.70 | 0.83 |
