Research Article
Extractable Al and Soil Solution Ionic Concentrations in Strongly Leached Soils from Northwest Iberia: Effects of Liming
Table 1
Location and environmental conditions of study pedons. Alt: altitude; MAT: mean annual temperature; MAP: mean annual precipitation.
| | Pedons | Location | Alt (m) | MAT (°C) | MAP (mm) | Slope (%) | Vegetation |
| | Umbrisols | | 1 (Sapateiro) | 41°51′07′′N, 7°53′17′′W | 1250 | 10 | 1800 | 3 | Forest/shrubland | | 2 (Tribelo) | 41°43′06′′N, 8°06′24′′W | 730 | 12 | 2800 | 15 | Pine forest | | 3 (Montemuro) | 40°58′00′′N, 8°00′36′′W | 1250 | 10 | 2000 | 10 | Shrubland/forest | | 4 (Serra da Estrela) | 40°18′30′′N, 7°33′10′′W | 1520 | 10 | 2400 | 20 | Shrubland/forest |
| | Cambisols | | 5 (Gontim) | 42°04′18′′N, 8°10′06′′W | 1180 | 11 | 2400 | 2 | Shrubland/pasture | | 6 (Roçadas) | 42°04′25′′N, 8°08′43′′W | 1150 | 11 | 2400 | 4 | Shrubland/pasture |
| | Luvisols | | 7 (Niza) | 39°30′20′′N, 7°37′15′′W | 300 | 16 | 800 | 2 | Cereal crops | | 8 (Almeida) | 40°43′30′′N, 6°59′55′′W | 720 | 13 | 500 | <2 | Cereal crops |
| | Regosols | | 9 (Cando) | 41°58′40′′N, 7°54′19′′W | 100 | 11 | 2400 | 30 | Pine forest | | 10 (Cabeças) | 42°00′24′′N, 8°16′39′′W | 810 | 11 | 2400 | 10–15 | Forest/shrubland | | 11 (Castro-Daire) | 40°46′20′′N, 7°54′20′′W | 530 | 13 | 1600 | 10 | Pine forest |
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