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. 2014 Dec 23;9(12):e115921. doi: 10.1371/journal.pone.0115921

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.