DEVELOPMENT OF METHODS FOR GROWING SUNFLOWER CULTIVARS AND HYBRIDS IN THE STEPPE VOLGA REGION
It was found that the conservation of southern chernozem fertility and the increase of the yield of high-quality sunflower seeds in the steppe Volga region require deep subsurface tillage, application of herbicides and mineral fertilizers N60P60, an increase in the proportions of the YuVS 3 and Aleksandra hybrids in plantations to ensure high and sustainable yields, and the use of Saratovskii 85 and Saratovskii 20 sunflower cultivars.