EN
The aim of study was to assay to what degree the different doses of herbicides lzoturon 500 SC and Expert Met 56 WG alone and together affect the activity of catalase and peroxidase activity in soil. Observed stimulation and inhibition of this enzymes did not have relationships with herbicides doses, but introduce into soil lzoturon 500 SC together with Expert Met 56 WG affected larger changes of catalase nad peroxidase activity than introduce lzoturon 500 SC and Expert Met 56 WG alone.