Table 2. Soil properties and grass at the four sites along an elevation gradient in central Veracruz, Mexico.
| Parameter | LV | LC | NA | AC |
|---|---|---|---|---|
| Clay, % | 27.6 b | 25.6 b | 12.0 a | 13.6 a |
| Silt, % | 21.8 a | 34.4 b | 28.8 ab | 35.8 b |
| Sand,% | 50.6 ab | 40.0 a | 59.2 b | 50.6 ab |
| pH, (H2O) | 6.6 b | 6.6 b | 5.5 a | 5.6 a |
| Water-holding capacity, % | 32.9 a | 36.6 a | 83.5 b | 70.5 b |
| Permanent wilting point, % | 20.0 a | 20.2 a | 53.0 b | 40.4 b |
| Organic matter, % | 8.0 a | 8.4 a | 43.7 b | 34.2 b |
| Total N, % | 0.31 a | 0.31 a | 1.13 c | 0.83 b |
| C/N | 15 a | 16a | 22 b | 24 b |
| P, mg kg−1 | 13.2 a | 54.7 c | 49.8 b | 14.2 a |
| K, cmolc kg−1 | 1.1 a | 1.7 a | 2.8 b | 1.4 a |
| Ngrass, % | 1.1 a | 0.71 a | 1.46 b | 1.45 b |
Notes.
Within each row different letters indicate significant differences at P < 0.05 (Tukey’s HSD test).
- LV
- Laguna Verde (11–55 masl)
- LC
- La Concepción (992–1,025 masl)
- NA
- Naolinco (1,550–1,619 masl)
- AC
- Acatlán (1,772–1,800 masl)