“Influence of Bio-Inoculants (earthworms and Nitrogen-Fixing Bacteria) on Rhizosphere Microflora of Alfalfa”. Bulgarian Journal of Soil Science, Agrochemistry and Ecology 53, no. 1 (March 27, 2019): 27–34. Accessed February 13, 2026. https://agriacad.eu/ojs/index.php/bjssae/article/view/1865.