TY JOUR TI EFFICIENCY OF ALFALFA PRESERVATION BY DIFFERENT PREPARATIONS KW haylage KW alfalfa KW dry substance content KW biological preparations KW nutritional value KW economic efficiency. JO Vestnik of Kazan State Agrarian University AU Sharafutdinov, G.. AU Vafin, F.R. AU Shakirov, S.K. AU Bikchantaev, I.. AU Huzin, R.R. PY 2017 IS 12 PB Kazan state agrarian University