ABSTRACT The experiment of the effect of concentration and time of application by Baef Foliar i folliar fertiliser on yield of Kidney bean (Phaseoulun vulgaris L.), hod carred out on Latosol coil at Bedono, Janbu, Semarang regency. An elevati- on 711 moters above sea level, soil pH 5,7. Was carried out during April until Juny 1988. This experiment used factorial design with Randomized Complet …