Struktura plonu ziemniaka jadalnego (Solanum tuberosum L.) w warunkach stosowania preparatu mikrobiologicznego UGmax The structure of edible potato crops (Solanum tuberosum L.) under conditions of the application of microbiological product UGmax Journal title: Progress in Plant Protection Authors: Krystyna Zarzecka, Alicja Baranowska, Iwona Mystkowska, Marek GugaĆa Subject(s):