ABSTRACT The research about the effect of prunning and nitrogen fertilizer dose on the growth and yield of baby kailan (Brassica oleraceae) Round Leaf Variety had been conducted in Kranggan Village, Kranggan District of Temanggung Regen- cy, the type soil is latosol and the altitude is 412 meters. The research used factorial experiment (3x3) in completely randomized design wi…