The field experiment was conducted at the Agriculture Research Station Zawady (52^o20’ N; 22^o 30’ E) owned by the Podlasie Academy in Siedlce. This work presents results from the years 1999-2003 and 2007, in which harvests, value of production, direct manufacturing costs, direct surplus of winter triticale were compared. This winter triticale was planted in the second year after the application of catch crop, straw and catch crop with straw. The first factor of experiment is the presence and kind of catch crop: control object, birdsfood trefoil, birdsfood trefoil + Italian ryegrass, white mustard, white mustard – mulch. The second one is the presence of straw: without straw, with straw. Table potatoes were cultivated in the first year after application of catch crop and straw, and winter triticale in the second year. The best productive and economic result was obtained using winter triticale cultivated in the second year after mixture of birdsfoot trefoil with Italian ryegrass in combination with straw.

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