Research Article
Interannual Variation in Root Production in Grasslands Affected by Artificially Modified Amount of Rainfall
Table 1
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 |
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