TY JOUR TI IMPACT OF MEFOSPHONE ON THE EFFICIENCY OF THE PROCESS OF BIOGAS OBTAINING AND UTILIZATION OF CARBON-CONTAINING WASTE KW Mefosfon KW biogas KW biofertilizer KW reactor KW carbon-containing waste KW utilization KW energy saving KW experiments JO Vestnik of Kazan State Agrarian University AU Gayfullin, I.. AU Haliullina, Z.M. AU Ziganshin, B.G. AU Shogenov, Y.. AU Gallyamov, E.A. PY 2021 IS 16 PB Kazan state agrarian University