TY JOUR TI EFFICIENCY OF BIOLOGICAL CONSERVANTS WITH VARIOUS CONTENT OF DRY MATTER OF GREEN MASS OF LUCERNE KW alfalfa KW biological preparation KW haylage KW nutritional KW exchange energy KW crude protein JO Vestnik of Kazan State Agrarian University AU Bikchantaev, I.. AU Shakirov, S.K. AU Tagirov, M.S. AU Askarova, A.A. PY 2018 IS 13 PB Kazan state agrarian University