Browsing by Author "Korotkova, I. V."
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Item Dynamics of nutrients in the soil and spring barley yield depending on the rates of mineral Fertilizers(2021) Hanhur, V. V.; Marenych, M. M.; Korotkova, I. V.; Gamayunova, V.; Len, O. I.; Marinich, L. H. ; Olepir, R. V.; Гангур, Володимир Васильович; Маренич, Микола Миколайович; Короткова, Ірина Валентинівна; Лень, Олександр Іванович; Марініч, Любов Григорівна; Олепір, Роман ВікторовичItem Effect of supplemental lighting spectral composition on the tomato yield in greenhouses(2021-11-10) Velit, I. A.; Korotkova, I. V.; Marenych, M. M. ; Bilovod, I.; Kolesnikova, L. A.; Khomenko, B.; Короткова, Ірина Валентинівна; Маренич, Микола Миколайович; Колєснікова, Лариса АнатоліївнаItem Effect of UV-C radiation on basic indices of growth process of winter wheat (Triticum aestivum L.) seeds in pre-sowing treatment(2020) Semenov, A. O. ; Korotkova, I. V. ; Sakhno, T. V. ; Marenych, M. M. ; Hanhur, V. V. ; Liashenko, V. V. ; Kaminsky, V.; Семенов, Анатолій Олексійович; Короткова, Ірина Валентинівна; Сахно, Тамара Вікторівна; Маренич, Микола Миколайович; Гангур, Володимир Васильович; Ляшенко, Віктор ВасильовичItem Impact of Organic Cultivation Technology of Fiber Hemp (Cannabis Sativa L.) on Soil Agrochemical and Bioecological Properties(2023) Pylypchenko, A. V.; Marenych, M. M.; Hanhur, V. V.; Semenov, A. O.; Korotkova, I. V.; Laslo, O. O.; Marinich, L. H.; Пилипченко, Андрій Васильович; Маренич, Микола Миколайович; Гангур, Володимир Васильович; Семенов, Анатолій Олексійович; Короткова, Ірина Валентинівна; Ласло, Оксана Олександрівна; Марініч, Любов ГригорівнаResearch into the correlations among components of soil biota is of significant importance for effective management of agroecosystems in organic agricultural production. Organic cultivation technologies contribute to increased nitrogen and phosphorus content in the soil, while reducing levels of P2O5 and K2O compared to inorganic methods. The influence of organic residue decomposers on macroelement composition in the soil has been examined, revealing a minimal impact on their levels. Organic technologies promote an augmentation of microorganisms, although there is a potential risk of heightened disease pathogens. It has been observed that under organic cultivation conditions, there is more intense tissue degradation, potentially attributed to higher microorganism activity. Transitional cultivation methods yield lower rates of degradation in comparison to organic techniques. The impact of organic technologies on the quantity of earthworms, nematodes, and springtails in the soil has been investigated. Organic practices have shown to increase their population, creating a favorable environment for soil biological indicators. Particular attention is given to correlation relationships between microorganisms responsible for nitrogen and phosphorus accumulation and the fungal component. High correlation values (r = 0.72–0.89) underscore the significance of comprehending these associations when employing organic cultivation methods. The study of correlations among soil biota components in organic production presents a promising task for the effective utilization of resources and the assurance of sustainable agroecosystem development.Item OPTIMIZATION OF FACTORS OF MANAGING PRODUCTIVE PROCESSES OF WINTER WHEAT IN THE FOREST-STEPPE(2020) Marenych, M. M.; Kaminsky, V. ; Bulyhin, S. Yu.; Hanhur, V. V.; Korotkova, I. V.; Yurchenko, S. O.; Bahan, A. V. ; Taranenko, S. V.; Liashenko, V. V.; Маренич, Микола Миколайович; Гангур, Володимир Васильович; Короткова, Ірина Валентинівна; Юрченко, Світлана Олександрівна; Баган, Алла Василівна; Тараненко, Сергій Володимирович; Ляшенко, Віктор ВасильовичItem Photosynthetic Pigments Content in Emmer Wheat Plants as Criteria of Productivity in Traditional and Organic Farming Technology(2022) Korotkova, I. V.; Chaika, T. O.; Romashko, T. P.; Rybalchenko, A. M. ; Короткова, Ірина Валентинівна; Чайка, Тетяна Олександрівна; Ромашко, Таміла Петрівна; Рибальченко, Анна МихайлівнаItem Spectral manifestations of aggregates structure of heteroaromatic molecules at low temperatures(Journal of Luminescence, 2000) Barashkov, N. N.; Korotkova, I. V.; Sakhno, T. V.; Короткова, Ірина Валентинівна; Сахно, Тамара ВікторівнаThe results of investigation of temperature in#uence on spectral-luminescence properties of ethanol solution of N,N-dibutyl-3,8-diazapyran-5,10-dione (DPD) in an interval of temperatures of 300}77 K and concentrations of 1.6.10~3-8.0.10~6 mol/l are discussed. The room-temperature absorption and #uorescence spectra of DPD remained constant in a broad interval of concentration. The lowering of temperature of a solution to 148 K leads to the reduction of the long wavelength band and the formation of two maxima (at 374 and 377.5 nm). It was found that their intensities’ ratio depend on concentration as well as on the method of freezing the solution. The low-temperature fuorescence spectra are short-wave shifted at 35 cm~1. The spectral modi"cations of rigid ethanol solutions of DPD were attributed to the formation of the associated forms of molecules due to van der Waals forces. Absorption spectra analysed at di!erent cooling rates revealed a ‘sandwicha structure of associates at a fast rate of freezing and ‘foota structure (angle 903) at a slow rate of cooling. The distance between the associated molecules of DPD was estimated to be about 11 A. The nature of spectral modi"cations due to associations of DPD molecules is discussedItem Structure of poly(di-n-hexylsilane) in nanoporous materials(Сhemical Physics, 2010) Korotkova, I. V.; Sakhno, T. V.; Drobit‘ko, I.K.; Sakhno, Yu.; Ostapenko, N.; Короткова, Ірина Валентинівна; Сахно, Тамара ВікторівнаIn this work the effects of solvent polarity and conformation changing on the electronic characteristics of poly(di-n-hexylsilane) incorporated in the nanoporous materials are calculated. The dependence of energy levels of electronic-excited states of investigated compounds is analyzed as a function of the Si–Si–Si–Si twist angle and length of Si–Si and Si–C bonds. The possibility of complex formation between silicon atom of polymer and oxygen ions of nanoporous materials is shown.Item THE EFFECT OF PRE-SOWING TREATMENT OF WINTER SOFT WHEAT SEEDS WITH UV-C RADIATION ON BIOLOGICAL PROCESSES(2020) Korotkova, I. V.; Marenych, M. M. ; Hanhur, V. V. ; Sakhno, T. V.; Semenov, A. O. ; Короткова, Ірина Валентинівна; Маренич, Микола Миколайович; Гангур, Володимир Васильович; Сахно, Тамара Вікторівна; Семенов, Анатолій ОлексійовичItem The effect of soil tillage on symbiotic activity of soybean crops(2020) Hanhur, V. V.; Marenych, M. M.; Yeremko, L. S.; Yurchenko, S. O.; Hordieieva, O. F. ; Korotkova, I. V.; Гангур, Володимир Васильович; Маренич, Микола Миколайович; Єремко, Людмила Сергіївна; Юрченко, Світлана Олександрівна; Гордєєва, Олена Федорівна; Короткова, Ірина ВалентинівнаItem Weed Control and Winter Wheat Crop Yield With the Application of Herbicides, Nitrogen Fertilizers, and Their Mixtures With Humic Growth Regulators(2021) Korotkova, I. V.; Marenych, M. M.; Hanhur, V. V.; Laslo, O. O.; Chetveryk, O. O.; Liashenko, V. V.; Короткова, Ірина Валентинівна; Маренич, Микола Миколайович; Гангур, Володимир Васильович; Ласло, Оксана Олександрівна; Четверик, Оксана Олександрівна; Ляшенко, Віктор Васильович