Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Soil features of grass stands of studied sites (soil layer 0–10 cm).
| Features | Lowland site |
Highland site |
Mountain site |
|---|---|---|---|
| pH-H2O | 5.4 | 5.1 | 4.7 |
| pH-KCl | 4.6 | 4.3 | 3.8 |
| Organic matter (%) | 9.0 | 13.9 | 8.6 |
| P (mg kg−1) | 44.7 | 23.0 | 4.0 |
| K (mg kg−1) | 359 | 167 | 140 |
| Mg (mg kg−1) | 166 | 163 | 57 |
| Ca (mg kg−1) | 1249 | 1589 | 426 |
| N tot (%) | 0.34 | 0.44 | 0.39 |
