TY CONF TI INFLUENCE OF SILICON-CONTAINING ROCKS ON THE STRUCTURE OF THE CROP OF FAGOPYRUM ESCULENTUM MOENCH KW silicon-containing rock KW zeolite KW buckwheat KW gray forest soil KW agrochemical characteristics. JO XIII All-Russian scientific-practical conference of young scientists «Achievements and prospects of development of the Russian agriculture", dedicated to the memory of R.G. Gareev AU Garafutdinova, K.. AU Gilyazov, M.. AU Prischepenko, E.. PY 2023 PB TRIA FRC Kazan Scientific Center of RAS