Published in Scientific Papers. Series A. Agronomy, Vol. LXVII, Issue 1
Written by Iryna HASANOVA, Yanina ASTAKHOVA, Nataliia NOZDRINA, Mykola SOLODUSHKO, Oleksandr PEDASH, Olena DRUMOVA, Natalia ZAVALYPICH
In the Northern Steppe of Ukraine, a significant effect of weather conditions, predecessors, fertilisation and sowing dates on the formation of yield and biochemical parameters of winter wheat grain was established. It was found that the cultivation of winter wheat on black fallow and after spring barley resulted in higher yields at the optimal sowing date (20-25 September) compared to early (5-10 September) and late (5-10 October) sowing dates. Pre-sowing application of complete mineral fertiliser and nitrogen feeding led to an improvement in both yield and grain quality of winter wheat. Moreover, more significant increases in winter wheat yield were recorded after the non-fallow predecessor. The durum winter wheat of Burshtyn variety produced a lower yield compared to the soft wheat varieties, but it exceeded these varieties in terms of protein content. The sedimentation values of durum wheat flour were very low (in the range of 12-20 ml), which indicates the specificity of its uses. At the same time, the sedimentation values of flour of soft wheat varieties used for baking purposes varied between 35-50 ml, depending on the agronomic practices of cultivation.
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