The aim of this investigation was assessment of variability of winter wheat cultivars yield under variable stubble height conditions and different tillage systems. The study was carried out during 2009-2011 and it was localized on good rye complex. The first factor was stubble height: a) low stubble (10 cm), b) high stubble (40 cm). Within the second factor three systems of tillage were evaluated: a) conventional tillage, b) reduced tillage, c) notillage. The third experimental factor was winter wheat cultivar: a) Mewa, b) Rapsodia, c) Legenda. Plowless tillage contribute to decrease wheat yield in comparison with conventional tillage applied after cereals. In treatments with high and low stubble the yield of winter wheat cultivars Legenda and Rapsodia was the highest while Mewa gave the lowest yield. Yield stability under high stubble conditions in plough and simplified tillage was much lower than under low stubble conditions.

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