TY CONF TI GRAIN PRODUCTIVITY OF SPRING BARLEY VARIETIES SELECTION OF TATAR RESEARCH INSTITUTE OF AGRICULTURE KW spring barley KW varietal sample KW meteorological conditions KW productivity JO XIV All-Russian Scientific and Practical Conference of Young Scientists “Achievements and Prospects of Development of the Agroindustrial Complex of Russia” with international participation, dedicated to the 300th anniversary of the Russian Academy of Sciences. AU Dyurbin, D.S. AU Blokhin, V.. PY 2024 PB TRIA FRC Kazan Scientific Center of RAS