Table 1. Soil characteristics of the four experimental sites.
Locality (Region) | Texture (%) | pH | AC (%) | BD | OM (%) | ||
Sand | Silt | Clay | |||||
Argenta (Emilia-Romagna) | 58.8 | 31.4 | 9.8 | 8.2 | 3.20 | 1.18 | 4.44 |
Barbialla (Tuscany) | 60.2 | 29.9 | 9.9 | 8.2 | 0.73 | 1.17 | 3.53 |
Feudozzo (Abruzzo) | 40.5 | 36.0 | 23.5 | 7.3 | 1.34 | 1.21 | 4.31 |
Collemeluccio (Molise) | 41.6 | 26.4 | 32.0 | 7.3 | 2.55 | 1.20 | 3.34 |
Data refer to the top 30 cm of soil. AC, active carbonate; BD, bulk density; OM, organic matter.