%0 Journal Article %T IMPROVEMENT OF BIOGAS PLANT OPERATION MODES %A Gayfullin, I.. %A Ziganshin, B.G. %A Haliullin, D.T. %K energy supply, organic waste, biogas, fermentation, biofertilizers, ecology %J Vestnik of Kazan State Agrarian University %D 2025 %N 20 %P 6 %I Kazan state agrarian University