(NzOLOTOJ KOLOS (B: s (NpOWESTX (B/ s - (NbELQNI^EW(B, (NaNDREJ qKOWLEWI^(B. s ((NkALUGA (B: s (NzNAMQ(B, s, 1949)
Keywords: (NaGRONOMY (B((NH(B. (NL(B.) s; (NkOLHOZY I KOLHOZNIKI (B((NH(B. (NL(B.)s