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Table 1 Results of the physical analysis to assess the particle size distribution characterizing each soil sample

From: 16S metabarcoding, total soil DNA content, and functional bacterial genes quantification to characterize soils under long-term organic and conventional farming systems

Sample

Sand %

Silt %

Clay %

USDA Soil Taxonomy

WRB Soil Taxonomy

CoProB 1

30.2

54.7

15.1

Haplustept

Fluvic Cambisol

CoProB 2

20.1

56.0

23.9

Haplustept

Fluvic Cambisol

Marsilio

25.9

51.0

23.1

Haplustept

Fluvic Cambisol

Canal Dei Cuori

3.6

63.5

32.9

Endoaquoll

Gleyic Phaeozem

Le Barbarighe

4.2

56.8

39.0

Endoaquoll

Gleyic Phaeozem

Terre Emerse

20.5

50.3

29.2

Haplustept

Haplic Cambisol

  1. The Soil taxonomy classification is based on the USDA and the WRB guidelines