Abstract
The results of application of foliar fertilizing of winter wheat of different norms of nitrogen fertilizers grown after predecessors black fallow, peas and winter oilseed rape and their effect on the yield, quality, and fractional composition of the grain itself are presented. There were determined the optimal rate and timing of application of mineral nitrogen depending on the predecessor and areas of production: food grains or seeds. It is shown that the spring term feeding has a little impact on the grain quality when wheat is grown on the black fallow and peas; the predecessor of winter rape feeding should be carried out in the phase of mass tubing
Highlights
Сільськогосподарські наукиTHE EFFECT OF NITROGEN FERTILIZER APPLICATION TIME ON THE YIELD, QUALITY AND FRACTIONAL COMPOSITION OF WINTER WHEAT GRAIN AFTER DIFFERENT PRECURSORS UNDER CONDITIONS OF THE SOUTHERN STEPPE OF UKR AINE
Within the structure of agroindustrial production, in the field of plant cultivation, at planting grain crops, Ukrainian economies specialize in two directions: in seed production and planting food grain
Conclusions based on the conducted studies on southern, little-humus, hard-loamy soil with the middle level of provision with accessible nutrition elements it was established: 1. At cultivating winter wheat for seeds and food grain, the optimal terms and norms of application of nitrogen fertilizers in feeding are different: on the precursor black fallow at cultivating fallow wheat for seeds it is more rational to conduct the feeding by nitrogen fertilizers N60 in the phase of appearing a flag-like leaf; for obtaining high-quality food grain it is rational to apply N60 on wheat sprouts from autumn + N60 during the tubing phase
Summary
THE EFFECT OF NITROGEN FERTILIZER APPLICATION TIME ON THE YIELD, QUALITY AND FRACTIONAL COMPOSITION OF WINTER WHEAT GRAIN AFTER DIFFERENT PRECURSORS UNDER CONDITIONS OF THE SOUTHERN STEPPE OF UKR AINE. Показано,що термін весняного підживлення мало впливає на якість зерна при вирощуванні пшениці по чорному пару і гороху; по попереднику ріпак озимий підживлення слід проводити з фази масового трубкування Ключові слова: пшениця озима, підживлення, карбамід, якість, урожай, білок, клейковина, фракція, кореляц ія
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