Sanjaya, A., Eka Bobby Febrianto, Sri Murti Tarigan and Wagino 2026. Growth Response and Physiology of Oil Palm Seedlings (Elaeis guineensis Jacg) of Yangambi Ppks Variety to Various Salinity Levels in the Pre Nursery Phase: the effect of oil palm seedlings on salinity levels. International Journal of Education, Vocational and Social Science . 5, 02 (May 2026), 2382-2395. DOI:https://doi.org/10.63922/ijevss.v5i02.3761.