%0 Journal Article %T ACTUALITY OF APPLICATION OF BIOGAS INSTALLATIONS IN RUSSIA AND ABROAD %A Ziganshin, B.G. %A Kashapov , I.. %A Gayfullin, I.. %A Shogenov, Y.. %A Rudakov , A.. %K Farm, biogas plant, energy saving, economic efficiency. %J Vestnik of Kazan State Agrarian University %D 2017 %N 12 %P 3 %I Kazan state agrarian University