| Summary: | The purpose of the study was to explore the effectiveness of various modifications of the preparation Megamix and complex macrofertilizers in cultivation of the spring wheat variety Ulyanovskaya 100 in the forest-steppe of the Middle Volga region. The factors used in the experiment contribute to a yield increase by 0.37 - 3.12 c / ha. The use of the Megamix-Zinc modification with complex mineral fertilizers gives the greatest yield increase compared with the control group which amounts to 11%. All modifications of the Megamix preparation have a positive effect on the structure elements of the spring wheat yield. The highest test weight is observed in the Megamix-Zinc option with previous application of mineral fertilizers. The increase in this indicator from the factors used was 4.8 - 18.7 g / l, depending on the option. Under the influence of the studied factors, the vitreousness of the spring wheat grain increases by 1.28 5.83%. Top dressing has a positive effect on the weight of 1000 seeds. This indicator increased by 0.49 - 2.80 grams, compared with the control option.
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