Vyhodnocení výskytu polních plevelů ve vybraných plodinách

This diploma thesis with its topic "The assessment of occurrence of field weeds in selected crops" focuses on the evaluation of species composition of weedy plants in selected cultivated crops in the fields of the cooperative farm Agricola Bylany. The evaluation was carried out with winter wheat, winter rye and winter colza. The occurrence of field weeds was assessed by a numerical technique. The results were statistically processed by an extensive analysis of ecological data. The literary overview focuses on the issue of positive and negative effects of weeds, its reproduction, classification and regulation. Characterization of the observed field and description of the cooperative farm is a part of this thesis