[1] Josip Juraj Strossmayer Univ Osijek, Fac Agr, Kralja Petra Svacica 1d, Osijek 31000, Croatia
[2] Univ Belgrade, Fac Agr, Belgrade, Serbia
[3] Univ Debrecen, Fac Agr Food & Environm Sci, Debrecen, Hungary
[4] Univ Banja Luka, Fac Agr, Banja Luka, Bosnia & Herceg