1. Department of Grassland and Fodder Production, Faculty of Agriculture and Life Sciences, University of Maribor, Pivola 10, 2311 Hoče, Slovenia
2. Department of Mathematical Methods, Informatics and Statistics in Agriculture, Faculty of Agriculture and Life Sciences, University of Maribor, Pivola 10, 2311 Hoče, Slovenia
3. Department of Organic Agriculture, Crops, Vegetables and Ornamentals, Faculty of Agriculture and Life Sciences, University of Maribor, Pivola 10, 2311 Hoče, Slovenia