A static field experiment carried out on lignite discard, manure and mineral fertilisers in the years 1994 to 1998 was used to study effects on yield and some soil chemical properties of the applied variants of organic and mineral fertilisation: NPK; manure 30 t/ha + NPK; lignite discard 90 t/ha; lignite discard 90 t/ha + NPK. The present results show that lignite discard contributed to an increase of yield production potential of a good rye complex soil and brought about a significant increase of the triticale grain yield in comparison with the object with manure. The level of mineral fertilisation applied in the entire crop rotation, in relation to various variants of organic fertilisation (which was applied 3, 2 and 1 year before the examination) exerted a positive effect on pH and the content of basic nutrients in the soil.