TY JOUR TI DISPOSAL OF ORGANIC AGRICULTURAL WASTE WITH BIOFERTILIZERS AND BIOGAS PRODUCTION KW operating modes KW biogas KW biofertilizer KW acidity KW organic waste KW soil. JO Agrobiotechnologies and digital farming AU Gayfullin, I.H. AU Haliullina, Z.M. AU Ziganshin, B.G. PY 2025 IS 4 PB Kazan state agrarian University