TY JOUR TI BASIC PRINCIPLES OF ORGANIC AGRICULTURE AND THE POSSIBILITIES OF THEIR REALIZATION FOR FORAGE PRODUCTION IN THE CONDITIONS OF SMALL FARMS KW organic agriculture KW chemical means KW ecologi- cal restrictions KW phytosanitary crop rotation KW forage crops JO Bulletin of KSAU AU Trubnikov, Y.N. AU Edimeichev, Y.F. PY 2018 IS PB Krasnoyarsk State Agrarian University