The present invention relates to a Bacillus velezensis HY3479 (Bacillus Velezensis HY3479, accession number: KCCM12751P) strain or a cultivation method of the strain, and a plant medium (rice water medium containing crab shell powder) developed by itself using agricultural, forestry, agricultural and fishery waste resources It can be effectively used for controlling various plant pathogens by culturing and for promoting the growth of crops.
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