ABSTRACT An experiment to study the effect of concentration of Amino Age on yield of cabbage varieties (Brassica oleraceae L.) had been carried out from 10 october 1995 until 31 Januari 1996. The experiment is located at Bandongan quarter, Ngablak sub distric, Central Java the elevation is 1200 m to the sea level and the soil is Regosol with pill 6,3. The design is completely …