TY JOUR TI PRODUCTIVITY ASSESSMENT OF GRASSY VEGETATION AND SOIL PROPERTIES IN ARTIFICIAL PLANTINGS KW artificial plantations KW soil KW biodendrogroups KW woody vegetation KW shrubs varie- ties KW soil moisture KW soil temperature KW nutrients KW her- baceous phytomass KW environmental factors KW light intensity KW regression analysis KW biological productivi- ty KW ecosystem stability JO Bulletin of KSAU AU Makeeva, O.L. PY 2019 IS PB Krasnoyarsk State Agrarian University