Kortemaa, Hanna, Kielo Haahtela, and Aino Smolander. 1997. “Effect of Soil-Spraying Time on Root-Colonization Ability of Antagonistic Streptomyces Griseoviridis”. Agricultural and Food Science 6 (4):341-48. https://doi.org/10.23986/afsci.72797.