Fig. 1

Total aerobic microbial count (TAMC) observed in the 7 hemp varieties cultivated in a) Catania and b) Rovigo during 3 years survey. The data were aggregated for variety, year, and location. Boxes indicate the median and 25th and 75th percentiles; whiskers indicate 10th and 90th percentiles Years legend: light yellow, 2019; dark yellow, 2020; orange, 2021. Common letters, symbols, or capital letters are used to indicate equivalent means among hemp varieties, cultivation years, and geographical sites, respectively