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There are reported the results of three-years’ investigations of climatic conditions and fertilization influence on the nutrient balance in triticale grain and straw. The field polyfactorial trials were based by the Department of Plant Production (University of Agriculture, Nitra). From the climatic aspect they were located in warm, moderately arid region with slightly acid, loamy brown soil, rich in P and K. Three levels of fertilization were investigated: A - without fertilization (control variant); B - 50% NPK in mineral fertilizers and 50 % NPK in manure were applied (according to the normative counted for 8 t yield of above soil biomass per hectare); C - fertilization according to the complex diagnostic methodology (Michalik, Lozek, 1985). From 1991 to 1993 the average content of macronutrients was: 2.376% N, 0.479% P, 0.477% K, 0.042% Ca, 0.216% Mg in grain and 0.466% N, 0.064% P, 1.146% K, 0.275% Ca, 0.133% Mg in straw. In 1991 Mg content was the lowest in grain and especially in straw. In 1993 P content was the lowest in straw. In this year Ca and K contents were the lowest in grain. The smallest changes were observed in N content. One t of biomass exploited 24.4 kg N, 4.7 kg P, 13.9 kg K, 2.7 kg Ca and 3 kg Mg. The fertilization had no considerable influence on the consumption of nutrients by 1 t biomass. The consumption of nutrients by yield was significant and high significant according to the cultivation and climatic conditions. The considerable decrease in the yield and macronutrients consumption was observed in very arid 1993 year. The yield (4.4 t per hectare) was about 40 % lower as in 1991 and 1992. The results confirm that the climate conditions during the year and in individual years are ones of the factors that have an influence on the yield and consumption of nutrients by biomass.