KAILAN (Brassica oleraceae var acephala) GROWTH AND YIELD AT CONCENTRATIONS OF PLANT GROWTH PROMOTING RHIZOBACTERIA (PGPR) AND OTHER PLANTING MEDIA ONE OF THE TEHNIC EMPOWERMENT FARMERS: Kailan, planting media, PGPR. viabel. 2022;16(1):60-73. doi:10.35457/viabel.v16i1.1852