Факультет аграрних технологій та екології
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Item type:Наукова стаття, Drawdown of biophilic elements under winter barley, and maintaining fertility of black soils of Western Ukraine(Poland, 2025) Avhustynovych, MariiaClimate stabilisation and soil fertility strategies that capture carbon as soil organic matter lag because of ambiguity in stoichiometry, ionomics, and correlations between key chemical components of soil productivity. We analyse the mutual influence of C, N, P, Ca, S, Mg, and K content, N content, microelements, and the yield of winter barley in Luvic Greyzemic Phaeozems of the Ukrainian Western Forest-Steppe. Depletion of biophilic element stocks occurred only with a significant increase in the yield of winter barley which ranged from 6.6 to 7.4 t/ha compared to unfertilised control plots yielding 4.4–4.6 t/ha. The 6 × 6 correlation matrix of the elements indicates 16 significant relationships out of the 21 calculated. Heavy fertiliser application (N120P60K60) combined with a nitrification inhibitor poses no great risk of soil depletion but does require supplementation with sulphur-containing Ca and Mg fertilisers and micronutrients.Item type:Наукова стаття, Effects of lime and fertiliser on productivity of Albic Retisols(Poland, 2023) Avhustynovych, MariyaThe long-term effects of three levels of liming in combination with NPK fertiliser were studied in a field experiment on sandy Albic Retisols (sod podzolic soils) in Northwest Polissia from 2011 to 2019. Crop yields were recorded and topsoil samples collected annually and analysed for hydrolytic acidity, pH, readily hydrolysable N, labile P, and exchangeable K. The highest levels of plant nutrients were measured in plots receiving the highest doses of lime; the content of the studied elements increased during the first 4–6 years then stabilised at high levels; and this trend was shadowed by the crop yields. Grain weight varied on average from 2.07t/ha in the unfertilised control, to 3.06t/ha in plots receiving only NPK, and reached 5.30t/ha on plots receiving the maximum dose of lime.Item type:Наукова стаття, Soil classification of Ukraine and its correlation with WRB(Poland, 2026) Avhustynovych, MariyaDuring an extensive period of research on Ukrainian soils, a substantial amount of factual data regarding their properties has been gathered. However, this knowledge has not yet been sufficiently disseminated within the international scientific community. The aim of this article is to present to the global academic audience the soil resources of Ukraine, as well as the problems and challenges faced by Ukrainian soil scientists in addressing the issue of soil classification. The lack of a new national soil classification system, aligned with modern global trends, that both preserves comprehensive knowledge about soils and simultaneously functions as a normative document, represents the most pressing issue in Ukrainian soil science today. Historically, Ukrainian soil classifications have predominantly been factor-genetic in nature, which makes direct comparison with the substantive classification system of the WRB particularly challenging. Rather than comparing entire classification systems, this study focuses on correlating the national soil nomenclature with the WRB system, particularly through analysing soil types based on their diagnostic and analytical characteristics. The methodological approach involved determining the corresponding WRB equivalents for the soil categories used in the Soil Map of Ukraine, compiled from regional soil maps at a scale of 1:200,000. A distinctive feature of Ukrainian soil nomenclature is the verbosity of soil names and the utilisation of landscape and ecological terms, which significantly complicates the process of correlation with the WRB. In this study, soil names were correlated primarily based on central archetypes and soil-forming factors, given that the Ukrainian classification does not incorporate the concept of diagnostic horizons. In total, the soils of Ukraine were classified into at least 21 reference soil groups under the WRB, including Anthrosols, Arenosols, Calcisols, Cambisols, Chernozems, Fluvisols, Gleysols, Histosols, Kastanozems, Leptosols, Luvisols, Phaeozems, Planosols, Regosols, Retisols, Stagnosols, Technosols, Umbrisols, Vertisols, Solonchaks, and Solonetz. The largest proportions are occupied by the following soils: Chernozems (47.0%), Phaeozems (18.5%), Retisols (4%), Luvisols (6.4%), Arenosols (5.4%).