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. 2021 Mar 29;10(4):643. doi: 10.3390/plants10040643

Figure 1.

Figure 1

Research articles per year published on biostimulants from cyanobacteria since 2006. The bibliometric analysis was carried out using the Google Scholar database, searching for “cyanobacteria + biostimulants”, “microalgae + biostimulants”, and “cyanobacteria + plant growth promotion” and excluding articles where the action was predominantly as biofertilizer.