Кафедра землеробства і агрохімії ім. В.І.Сазанова

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https://dspace.pdau.edu.ua/handle/123456789/5069

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Перегляд Кафедра землеробства і агрохімії ім. В.І.Сазанова за Автор "Dychenko, O. Yu."

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  • Ескіз
    Публікація
    Assessment of landfills and their impact on the soil: a local study in Ukraine
    (2026-03-02) Писаренко, Павло Вікторович; Pysarenko, P. V.; Samojlik, M.; Писаренко, Віктор Микитович; Pysarenko, V. M.; Mostoviak, I.; Тараненко, Анна Олексіївна; Taranenko, A. O.; Тараненко, Сергій Володимирович; Taranenko, S. V.; Диченко, Оксана Юріївна; Dychenko, O. Yu.; Lastovka, V.; Husinsky, D.
    Landfills are widely utilised for waste disposal due to their economic advantages and ease of implementation compared to alternative methods. However, landfills exert significant environmental and health impacts on adjacent agricultural land. Accumulation of heavy metals in soil is a risk to ecological and food safety. Methodological approaches to assess and mitigate the impact of landfills on agricultural land are essential for ensuring sustainable land use practices and safeguarding human health. In this study, landfills were assessed at the local level, and the hazard level was classified according to it. A set of priority measures for restoring technogenic disturbed areas and minimising their impact on agricultural land was determined. The need to select a set of innovative, ecologically oriented methods for remediation of landfills, depending on the type and degree of soil contamination, was identified in context of ensuring environmental and food security.
  • Ескіз
    Документ
  • Ескіз
    Публікація
    Microbiological evaluation of biodegradation processes of solid waste in reclaimed landfills
    (2026-03-03) Писаренко, Павло Вікторович; Pysarenko, P. V.; Samoilik, M.; Тараненко, Анна Олексіївна; Taranenko, A. O.; Тараненко, Сергій Володимирович; Taranenko, S. V.; Mostoviak, I.; Berezovsky,i A.; Диченко, Оксана Юріївна; Dychenko, O. Yu.; Шпирна, Іван Геннадієвич; Shpyrna, V.; Zhylin, O.; Oliynyk, A.
    One of the biggest environmental challenges facing modern society is waste management. The most common method of waste disposal is landfilling of municipal solid waste. The application of advanced microbiological techniques to the study of landfill ecosystems is of critical importance, given the increasing concerns about greenhouse gas emissions and regulatory controls. This study investigated the impact of probiotic and formation water application on biodegradation processes of solid waste in reclaimed landfills. The main ecological groups of soil microorganisms were determined during the experiment. For evaluating the direction of soil microbial processes, the following indexes were calculated: the index of mineralization-immobilization, the oligotrophy index, and the pedotrophy index. Microbiological evaluation of soil samples from the landfill revealed the positive effects of probiotic and associated formation water. The best results in microbial activity were observed upon their application. The analysis of coefficients confirmed that the probiotic and formation water application enhances the availability of nutrients in the soil of reclaimed landfills, benefiting various ecological and trophic groups of microorganisms and fostering favorable conditions for soil microbial communities. Thus, the application of probiotic and formation water could be an innovative biological approach to accelerating waste biodegradation and supporting soil restoration in reclaimed landfills.
  • Ескіз
    Документ
    The effects of seeding rate and row spacing on the photosynthetic activity of soybean (Glycine max (L.) Merr.)
    (2021) Mikheieva, O.; Klymenko, I.; Mikheiev, V.; Golovan, L.; Dychenko, O. Yu.; Stankevych, S.; Chechui, H.; Chupryn, Y.; Laslo, O. O.; Nahorna, S. V.; Диченко, Оксана Юріївна; Ласло, Оксана Олександрівна; Нагорна, Світлана Вікторівна
    With an advent of early-maturing soybean varieties that have weaker ability to branch, there is a need to study the increase in seeding rates with different combinations of row spacing, in order to determine the effects of narrowing the area of plant nutrition on photosynthetic plant activity. This is the purpose of our research. The multifactorial experiment was performed by splitting sites in four replications. The research has demonstrated that the Baika variety sown with a row spacing of 15 cm and a seeding rate of 1.2 million pcs./ha - 40.5 ths. m2/ha was close to the optimal leaf surface. The Annushka soybean plants were inferior to variety Baika in this regard, with the difference up to 6.0 ths. m2/ha, due to differences in the leaf structure of the soybean varieties. The weather conditions have been found to play the dominant role; namely, a strong direct correlation was found between the amount of precipitation and the photosynthetic productivity of plants. For the Annushka variety, it was in the range of r = 0.714… 0.843, and for the Baika variety, r = 0.899… 0.947. Thus, using different combinations of seed sowing rate and row spacing, it is possible to adjust the photosynthetic productivity of soybean plants and, as a result, to provide better conditions for their development and higher yields.