Mikroorganizmi stimulatori biljnog rasta su zemljišni mikroorganizmi koji naseljavaju površinu ili okolinu korena biljaka i putem sinteze različitih metabolita direktno ili indirektno utiču na rast biljaka.
Munees Ahemad, Mulugeta Hilbert, 2014. Mechanisms and application of plant growth promoting rhizbacteria: Current perspective, Journal of King Saud University - Science, 26:1-20., ,
Termin:
Plant growth promoting microorganisms
Definicija:
Plant growth promoting microorganisms are soil microbes inhabiting on/around the root surface, that directly or indirectly affect plant growth by production of different metabolites.