This part of the research defined the effect of sprinkling irrigation and mineral fertilisation on the biological value of protein and technological value of grain. A supplementary irrigation of spring wheat decreased the content of protein in grain, whereas the yield increased as it depended on grain yield. Mineral fertilisation significantly increased the percentage of protein in grain in both cereal species tested. Out of all the wheat cultivars compared, ‘Banti’ contained the highest content of protein, while out of all the triticale cyultivars – ‘Maja’. The biological value of protein, expressed as EAAI, BAAI and CSI_Lys was enhanced in grain under good soil moisture conditions. Similarly high doses of mineral fertiliser increased EAAI and BAAI, but decreased CSI_Lys. The agrotechnical practices applied modified the technological value of wheat and triticale flour. The spring wheat flour was of better quality than that from triticale flour.

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