Sholihatun, Nindya Arini and Shodiq Eko Ariyanto 2026. Influence of Plant Growth-Promoting Rhizobacteria (PGPR) Concentration and Soaking Duration on the Vegetative Growth of Premna oblongifolia Merr. AgroTech- Food Science, Technology and Environment. 5, 1 (Jan. 2026), 10-14. DOI:https://doi.org/10.53797/agrotech.v5i1.3.2026.