TY JOUR TI INFLUENCE OF MAIN SOIL TREATMENT ON MICROBIOTA AND BARLEY PRODUCTIVITY IN THE CONDITIONS OF CENTRAL VOLGA AREA KW soil KW processing KW biogenesity KW yield KW barley JO Bulletin Samara State Agricultural Academy AU Markovskaya, G.K. AU Chugunova, O.A. PY 2019 IS 4 PB Samara State Agricultural Academy