%0 Journal Article %T RESEARCH OF BIOLOGICAL EFFICIENCY GROWTH REGULATORS CYTODEF-100 AND GIBERELON, GRP ON SUNFLOWER CROPS IN SOIL AND CLIMATIC CONDITIONS OF THE REPUBLIC TATARSTAN %A Suleymanov, S.R. %A Safiollin, F.N. %K sunflower, plant height, biomass, plant development phases, leaf area, oilseed raw materials, productivity, product quality %J Agrobiotechnologies and digital farming %D 2022 %N 1 %P 4 %I Kazan state agrarian University