A1 | 0-20 cm | Dark brown (7.5YR3/3) clay loam, strong granular structure (5-10 mm), very weak consistence when moderately moist, common very fine macropores, areal porosity 0.5%, common medium roots. Clear and smooth transition to: | |
| Subsoil | |
B1 | 20-40 cm | Reddish brown (5YR4/4) light clay, moderate granular structure (10-20 mm) parting to moderate granular structure (<2 mm), weak consistence when moderately moist, few medium ferruginous nodules, common fine macropores, areal porosity 0.5%, few fine roots. Gradual and smooth transition to: |
B21 | 40-70 cm | Strong brown (7.5YR5/6) with common coarse distinct yellowish red (5YR4/6) mottles, light clay, moderate polyhedral structure (20-50 mm) parting to moderate granular structure (5-10 mm), firm consistence when moderately moist, common very fine macropores, areal porosity 0.4%, few fine roots. Diffuse and smooth transition to: |
B22 | 70-150 cm | Yellowish brown (10YR5/8) with many coarse distinct red (2.5YR4/6) mottles, light clay, moderate polyhedral structure (20-50 mm) parting to moderate granular structure (2-5 mm), firm consistence when moderately moist, few fine macropores, areal porosity 1.0%, few very fine roots. |
| 150-410 cm | highly weathered vesicular basalt, root channels observed, odd root found at 350 cm, soils moderately moist, no impeding layer to roots, some rock starting at 410 cm. |