ABSTRACT The experiment was carried out at Tuguran, North Mageleng District, Magelang City, from Mach until 1992 in Green Hause of Agricultural Fakulty of Tidar Magelang. The soil type is latosal, on altitude of 370 m abvesea level with. The purpose of this experiment was to know the influence of dose and the level to composs asolla to the yield of a vegetable (Brassica juncea ). …