EN
The aim of field experiments was to evaluate the influence of nitrogen-sulphur fertilization on healthiness of winter oilseed rape. It was found that the occurrence of fungal diseases on oilseed rape was dependent on sulphur and nitrogen fertilization. The plant fertilized with sulphur showed lowered fungal disease infection. Sulphur fertilizers decreased the infection by the following pathogens: Phoma lingam, Alternaria spp., Peronospora parasitica.