Abstract
The aim of the research is to determine the effect of structural indicators on the yield of winter rape under study depending on sowing time and seeding rate. Research methods: studies have been conducted according to the requirements of generally accepted research methods. Research findings. The highest yield and the best structural indicators of winter rape have been obtained when Antaria variety was sown in the first decade of September, the seeding rate being 1.1million plants per hectare, in the cases when plant density ensured plants optimal development. During the period of 2013-2015 Antaria variety demonstrated the greatest yield (2.58 t /ha) when sown in the first decade of September, the seeding rate being 1.1 million plants per hectare. Conclusion. In the Ukrainian southern steppe winter rape seed production depends directly on the main structural elements, which is confirmed by high correlation coefficient .
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