ABSTRACT The research of the effect Nitrophoska 15-15-15 fertilizer dose on the ear Baby Corn variety Arjuna (Zea mays L.) had carried out from March until June 1992 at Bejiarum, North Kertek, Wonosobo, central Java, on andosol soil, pH 6 on altitude 850 m. The method of research used in Randomized Complete Block Design (RCBD), with four treatment, six replication they are: …