Research Article
Effect of Continuous Agriculture of Grassland Soils of the Argentine Rolling Pampa on Soil Organic Carbon and Nitrogen
Table 4
Values of model parameters (C
s,
, and
) obtained with the AMG model in sites A and B.
| | Site | Fixed parameters | Optimized parameters | Predicted values at equilibrium | | m | k | | Cs | k | | | Ceq | | Mg ha−1 | Mg ha−1 year−1 | year−1 | | Mg ha−1 | year−1 | | Mg ha−1 |
| | A | 68.3 | 3.6 | — | — | 32.2 | 0.108 | 0.288 | 9.6 | 41.8 | | B | 47.3 | 3.5 | — | — | 31.7 | 0.079 | 0.167 | 7.3 | 40.4 |
| | | | | k | | Ns | k | | | Neq | | | Mg ha−1 | Mg ha−1 year−1 | year−1 | | Mg ha−1 | year−1 | | Mg ha−1 |
| | A | 6.5 | 0.079 | — | 1 | 3.3 | 0.113 | — | 0.7 | 4 | | B | 3.7 | 0.082 | 0.079 | — | 2.5 | — | 0.827 | 1 | 3.4 |
|
|
