This scientific monograph is focused on the impact of nitrogen and sulphur fertilization to the content of selected phytochemical compounds in broccoli and cauliflower. Nitrogen and sulphur are important elements from aspect of quantity and quality of vegetable yield. Brassica vegetable species (broccoli, cauliflower etc.) are characterized by beneficial chemical composition and content of health-promoting antioxidants, especially glucosinolates (sulforaphane), vitamin C (ascorbic acid) etc. These phytochemicals help to prevent our body against various civilisation diseases - many cancer...