1. Department of Applied Mathematics and Computer Science, University of Life Sciences in Lublin, Głęboka Street 28, 20-612 Lublin, Poland
2. Department of Power Engineering and Transportation, University of Life Sciences in Lublin, Głęboka Street 28, 20-612 Lublin, Poland
3. Institute of Horticulture Production, University of Life Sciences in Lublin, Głęboka Street 28, 20-612 Lublin, Poland