ABSTRACK The research on "The Effect of Margaflor Fertilizer Concentration on the Yield of Cauliflower (Brassica oleracea var. botrytis) at Sands Media", had been conducted in Tuguran village, Subdistrct Northern Magelang, District Magelang, Central Java, on December 1989 until March 1990 with an elevation of 380 metres above sea level. The method of research was used is Randomiz…