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Productivity of Spring Triticale under Conditions of the Southern Steppe of Ukraine

Gamayunova Valentina V., Sydiakina Olena V., Dvoretskyi Volodymyr F., Markovska Olena Y.

Ecological Engineering & Environmental Technology

2021

Vol. 22, iss. 2

104--112

Triticale is a valuable grain forage and food crop. Application of fertilizers enables to both increase the grain yield and improve its quality indicators. Triticale responds positively to fertilization, foliar top dressing, and the action of growth-regulating drugs. The presented field experiments were carried out in 2014–2016 in the educational-scientific-practical center of the Mykolaiv national agrarian university on the southern chernozem, typical for the southern Steppe of Ukraine. Pre-sowing seed treatment, application of mineral fertilizers and foliar nitrogen fertilization had a positive effect on the length of the ear, the number of grains in it, the mass of grain from the ear of the main stem and the level of the formed yield of spring triticale grain. Among the studied fertilizer options, the introduction of N30P30 before sowing and top dressing with ammonium nitrate at a dose of N30 against the background of pre-sowing seed treatment with Escort-Bio was advantageous. In this variant, the yield was 3.61 t/ha, the length of the ear was 10.4 cm, the number of grains in the ear was 30.2 PCs, the weight of grain from the ear of the main stem was 1.43 g. Creating an optimal nutrition background for plants improved the quality indicators of the spring triticale grain. The most favorable conditions for the formation of grain nature were provided by applying N60P30 before sowing and N30P30 before sowing with top dressing in a dose of N30 in the form of ammonium nitrate, urea or double top dressing with D2. The maximum protein content in the grain of the spring triticale was ensured by the introduction of N30P30 into the sowing with feeding with carbamide at a dose of N30. Due to the higher yield, the highest conditional protein yield per hectare of spring triticale sowing was provided by the introduction of N60P30 before sowing and N30P30 before sowing with top dressing with ammonium nitrate in the phase of stooling at a dose of N30. Improving the background of plant nutrition in cultivation technology is a promising measure to increase the productivity of spring triticale.

Formation of the Main Indicators of Grain Quality of Winter Barley Varieties Depending on Biopreparations for Growing under the Conditions of the Southern Steppe of Ukraine

Gamayunova Valentina Vasylivna, Kuvshinova Anna Oleksandrivna

Ecological Engineering & Environmental Technology

2021

Vol. 22, iss. 4

86--92

The article presents the data of the results of research conducted under the conditions of the educational and scientific practical center of the Mykolaiv NAU during 2016–2019 with four varieties of winter barley. The influence of foliar top dressing with modern biopreparations and growth-regulating preparations in the main periods of vegetation of plants on the grain quality indicators was determined. It was found that the protein content in grain depended and varied on the preparation taken for processing barley crops, the time of top dressing, varietal characteristics of winter barley, and significantly on the weather conditions of the growing year. Similarly, under the influence of these factors, other indicators of grain quality have changed.