ABSTRACT An experimental research entitles Test of Seeding Age and Urea Fertilizer Dose on Yield of Cauli flower (Brassica oleracea) had been conducted since August 19, 2002 till October 19, 2002. The experiment was done in Bumirejo Village, District of Mungkid, Magelang Regency, Central Java Province. The soil type is Latosol with pH of 6.0 and the altitude is about 320 m. …