TY JOUR TI ESTIMATION OF THE FARMING STANDARD LEVEL INFLUENCE (INFESTATION FACTOR) ON THE AGRICULTURAL CROP PRODUCTIVITY ON THE BASIS OF GROUND RESEARCH AND EARTH REMOTE SENSING FROM SPACE KW arable farming KW agricultural crops KW productivity KW the Earth KW space KW Krasnoyarsk region JO Bulletin of KSAU AU Pisman, T.I. AU Botvich, I.Y. AU Sidko, A.F. PY 2012 IS PB Krasnoyarsk State Agrarian University