Tkalich, Y.; Tkalich, I.; Тsyliuryk, O.; Masliiov, S.
(2019)
The highest yields of sunflower hybrids are provided when plants are
placed after surface plowing and chiseling at a depth of 25-27 cm. Reducing the
depth of cultivation to 10-12 cm and direct sowing in untreated soils ...