TY JOUR TI Morphobiological and economically valuable features of the new variety of spring rapeseed 'Svetozar' KW spring rapeseed KW chemical mutagenesis KW seed yield KW variety KW fat KW protein KW fiber KW morphological features JO Adaptive Fodder Production AU Volovik, V.T. AU Sergeeva, S.E. AU Shirokova, A.V. AU Korovina, L.M. AU Leonidova, T.V. AU Prologova, T.V. PY 2025 IS 2024 PB Federal Williams Research Center of Forage Production and Agroecology