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The results of experiments on the use of zinc and copper chelates in the cultivation of spring wheat in the conditions of the southern forest-steppe of the Omsk Irtysh region by the method of foliar feeding are presented. The best doses of zinc and copper in foliar feeding in the tillering phase is 20 (yield increase of 0.25 t/ha, in the control of 2.09 t/ha) and 10 g/ha (0.26 t/ha), respectively. Protein collection thus increased from 273 in the control to 297-327 kg/ha with the use of chelates, the germination energy of the obtained seeds increased from 95 in the control to 96.3-98.0 % fromthe foliar feeding in the tillering phase. The best in weight of 1000 grains (33.5 g) was Zn20 variant, and in grain unit (735 g/l) Cu10, which exceeds the control parameters (30.05 g and 711 g/l, respectively). The gluten content was 26.70-27.85 % (with GDI 57.5-62.5 units), in the best yield variants (Zn10 and Cu10) it was at the maximum level of 27.30 and 27.85 %, respectively. The amount of amino acids in the protein increases from 7,580 % without fertilizers to the highest 7,660 % with foliar feeding with chelated forms of Zn10 and 7,645 % at Cu30. The positive effect of micronutrients on the protein content in the grain, laboratory germination of the seeds obtained was established. Keywords—zinc, copper, fertilizer, chelate, spring wheat, yield, grain and seed quality.

Efficiency of Foliar Feeding with Zinc and Copper Chelates of Spring Soft Wheat in the Conditions of the Southern Forest-Steppe of the Omsk Irtysh Region