TY JOUR TI THE SOILCELLULOLYTIC ACTIVITY IN VARIOUS LEVELS OF AGROTECHNICAL INFLUENCE KW soil cellulolytic activity KW fertilizer introduction KW biologically active preparation KW crop capacity JO Bulletin of KSAU AU Schur, A.V. AU Vinogradov, D.V. AU Valko, V.P. PY 2015 IS PB Krasnoyarsk State Agrarian University