Magdalena Frąc1* and Stefania Jezierska-Tys2
1Department of Plant and Soil System, Institute of Agrophysics Polish Academy of Sciences, ul.Doswiadczalna 4, 20-290 Lublin, Poland.
2Department of Agricultural Microbiology, University of Life Sciences in Lublin, ul. Leszczynskiego 7, 20-069 Lublin, Poland.
