| Region | Independent variable (x) | Dependent variable (y) | r | R2 |
|
| OM | pH | −0.59 (M) | 0.35 |
|
| OM | N-NO3 | −0.30 (L) | 0.09 |
|
| OM | P | −0.84 (H) | 0.72 |
|
| OM | K | −0.64 (M) | 0.41 |
| Leoncio Loría Chimal | OM | Zn | 0.96 (H) | 0.94 |
|
| P | pH | 0.65 (M) | 0.43 |
|
| K | pH | 0.91 (H) | 0.84 |
|
| Ca | pH | −0.87 (H) | 0.76 |
|
| Zn | pH | −0.62 (M) | 0.39 |
|
| OM | pH | 0.45 (M) | 0.21 |
|
| OM | N-NO3 | 0.22 (L) | 0.05 |
|
| OM | P | 0.44 (M) | 0.20 |
|
| OM | K | 0.00 (L) | 0.00 |
| Epitacio Ku Puc | OM | Zn | 0.28 (L) | 0.08 |
|
| P | pH | 0.20 (L) | 0.042 |
|
| K | pH | 0.56 (M) | 0.32 |
|
| Ca | pH | 0.70 (M) | 0.50 |
|
| Zn | pH | 0.70 (M) | 0.50 |