Cauliflower (Brassica olerácea var. botrytis, cultivar Piracicaba precoce nº 1) seedlings were transfered at the age of 25 days to plastic pots containing quartz. Groups of 4 plants were exposed to the following nutrient solutions: -B, -Cu, -Fe, -Mn, -Mo, -Zn, and solution containing all the nutrients. Clear cut deficiences symptoms were described. The influence of the absent of the micronutrients on the growth rate is showed on quadro 1 in Portuguese text. Datas of the che mical analysis of different parts of the vegetable (new leaves, old leaves, "head" stem) are presented on quadro 2 and 3 in Portuguese text.