TY JOUR TI ASSESSMENT OF HAY LANDS BASED ON GROUND-BASED SPECTROMETRY (ON THE EXAMPLE OF AGRICULTURAL LAND OF THE KRASNOYARSK REGION) KW remote sensing KW ground-based spectrometry KW spectral brightness coefficient KW above-ground phytomass KW hay lands KW Krasnoyarsk forest-steppe JO Bulletin of KSAU AU Kononova, N.A. AU Larko, A.A. AU Emelyanov, D.V. AU Botvich, I.Y. PY 2019 IS PB Krasnoyarsk State Agrarian University