Figure 3.

World map representing the number of studies dealing with seed coating with plant beneficial microbes by country and continent (from a total of 191 papers published between 1960 and 2019). Charts (green bars) indicate the number of published studies by continent, organized by intervals. Intervals correspond to decades (1990–99, 2000–10, and 2010–20), with the exception of the first interval, which collects studies of a larger period (1960–89) due to the low publication record during this period. Note the different scale of the y axis in the Asia chart.