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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Lesnoy Vestnik / Forestry Bulletin</journal-id><journal-title-group><journal-title xml:lang="en">Lesnoy Vestnik / Forestry Bulletin</journal-title><trans-title-group xml:lang="ru"><trans-title>Лесной вестник / Forestry Bulletin</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2542-1468</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">716330</article-id><article-id pub-id-type="doi">10.17816/2542-1468-2026-4-74-84</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Biological and technological aspects of forestry</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Биологические и технологические аспекты лесного хозяйства</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Soil gels: extraction from soils, evaluation of content, composition and verification of relation with certain soil properties</article-title><trans-title-group xml:lang="ru"><trans-title>Почвенные гели: выделение из почв, определение содержания, состава и проверка взаимосвязи с некоторыми свойствами почв</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gorepekin</surname><given-names>Ivan V.</given-names></name><name xml:lang="ru"><surname>Горепекин</surname><given-names>Иван Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Biology), Researcher of the Eurasian Center for Food Security, Researcher of the Faculty of Soil Science</p></bio><bio xml:lang="ru"><p>канд. биол. наук, науч. сотр. Факультета почвоведения, науч. сотр. Евразийского центра по продовольственной безопасности</p></bio><email>decembrist96@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Fedotov</surname><given-names>Gennadiy N.</given-names></name><name xml:lang="ru"><surname>Федотов</surname><given-names>Геннадий Николаевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Sci. (Biology), Senior Researcher of the Faculty of Soil Science</p></bio><bio xml:lang="ru"><p>д-р биол. наук, вед. науч. сотр. Факультета почвоведения</p></bio><email>gennadiy.fedotov@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Buzuk</surname><given-names>Georgiy N.</given-names></name><name xml:lang="ru"><surname>Бузук</surname><given-names>Георгий Николаевич</given-names></name></name-alternatives><address><country country="BY">Belarus</country></address><bio xml:lang="en"><p>Dr. Sci. (Pharmacy), Professor</p></bio><bio xml:lang="ru"><p>д-р фарм. наук, профессор</p></bio><email>buzuk@tut.by</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Salimgareyeva</surname><given-names>Ol’ga A.</given-names></name><name xml:lang="ru"><surname>Салимгареева</surname><given-names>Ольга Алексеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Biology), Senior Researcher of the Faculty of Soil Science</p></bio><bio xml:lang="ru"><p>канд. биол. наук, ст. науч. сотр. Факультета почвоведения</p></bio><email>tavtava@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Batyrev</surname><given-names>Yuriy P.</given-names></name><name xml:lang="ru"><surname>Батырев</surname><given-names>Юрий Павлович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Tech.), Associate Professor</p></bio><bio xml:lang="ru"><p>канд. техн. наук, доцент</p></bio><email>batyrev@bmstu.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sukharev</surname><given-names>Aleksey I.</given-names></name><name xml:lang="ru"><surname>Сухарев</surname><given-names>Алексей Игоревич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>student</p></bio><bio xml:lang="ru"><p>студент</p></bio><email>suharevai@my.msu.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">M.V. Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Московский государственный университет имени М.В. Ломоносова»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Vitebsk State Order of Peoples’ Friendship Medical University</institution></aff><aff><institution xml:lang="ru">УО «Витебский государственный ордена Дружбы народов медицинский университет» (ВГМУ)</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">BMSTU (Mytishchi branch)</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Московский государственный технический университет имени Н.Э. Баумана (национальный исследовательский университет)» (Мытищинский филиал)</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2026-07-11" publication-format="electronic"><day>11</day><month>07</month><year>2026</year></pub-date><volume>30</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>74</fpage><lpage>84</lpage><history><date date-type="received" iso-8601-date="2026-07-10"><day>10</day><month>07</month><year>2026</year></date><date date-type="accepted" iso-8601-date="2026-07-10"><day>10</day><month>07</month><year>2026</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, Gorepekin I.V., Fedotov G.N., Buzuk G.N., Salimgareyeva O.A., Batyrev Y.P., Sukharev A.I.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, Горепекин И.В., Федотов Г.Н., Бузук Г.Н., Салимгареева О.А., Батырев Ю.П., Сухарев А.И.</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">Gorepekin I.V., Fedotov G.N., Buzuk G.N., Salimgareyeva O.A., Batyrev Y.P., Sukharev A.I.</copyright-holder><copyright-holder xml:lang="ru">Горепекин И.В., Федотов Г.Н., Бузук Г.Н., Салимгареева О.А., Батырев Ю.П., Сухарев А.И.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.eco-vector.com/2542-1468/article/view/716330">https://journals.eco-vector.com/2542-1468/article/view/716330</self-uri><abstract xml:lang="en"><p>A method to extract organomineral gels (OMG) from soils based on the treatment of soil suspension with 0,2 h ammonium hydroxide solution, ultrasonic dispersion and subsequent centrifugation is proposed. It was found that the isolated particles have sizes from tens to hundreds of microns, low density, are capable of coagulation and form solid-like structures, which confirms their gel nature. Using X-ray local microanalysis, the organomineral composition of the gels is shown. The quantitative content of OMG was 10 % for sod-podzolic soil, 12 % for gray forest and 28 % for leached chernozem. No relationship has been found between the content of gels and the water resistance of soils, the history of land use, or the size of soil aggregates. The developed method can be used to quantify organomineral gels in different types of soils.</p></abstract><trans-abstract xml:lang="ru"><p>Предложен метод выделения органоминеральных гелей из почв, основанный на обработке почвенной суспензии 0,2 н раствором гидроксида аммония, ультразвуковом диспергировании и последующем центрифугировании. Установлено, что выделенные частицы имеют размеры от десятков до сотен микрон, низкую плотность, способны к коагуляции и образуют твердообразные структуры, что подтверждает их гелевую природу. С помощью рентгено-локального микроанализа показан органоминеральный состав гелей. Количественное содержание органоминеральных гелей составило 10 % для дерново-подзолистой почвы, 12 % для серой лесной и 28 % для чернозема выщелоченного. Взаимосвязи между содержанием гелей и водоустойчивостью почв, историей землепользования или размером почвенных агрегатов не обнаружено. Разработанный метод может быть использован для количественной оценки органоминеральных гелей в почвах разного типа.</p></trans-abstract><kwd-group xml:lang="en"><kwd>structure of soil colloids</kwd><kwd>ultrasonic treatment of soil suspensions</kwd><kwd>soil colloids and soil properties</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>строение почвенных коллоидов</kwd><kwd>ультразвуковая обработка почвенных суспензий</kwd><kwd>почвенные коллоиды и свойства почв</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Правительство Российской Федерации</institution></institution-wrap><institution-wrap><institution xml:lang="en">Government of RF</institution></institution-wrap></funding-source><award-id>ДЧ-П8-21062</award-id></award-group><funding-statement xml:lang="en">This study was conducted as part of a state assignment from Lomonosov Moscow State University (topic no. 121040800147-0 «Soil Information Systems and Optimization of Soil Resource Use»).</funding-statement><funding-statement xml:lang="ru">Исследование выполнено в рамках государственного задания МГУ имени М.В. Ломоносова (тема №121040800147-0 «Почвенные информационные системы и оптимизация использования почвенных ресурсов»).</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Shein E.V., Devin B.A. Current problems in the study of colloidal transport in soil. Eurasian Soil Science, 2007, v. 40, pр. 399–408.</mixed-citation><mixed-citation xml:lang="ru">Shein E.V., Devin B.A. Current problems in the study of colloidal transport in soil // Eurasian Soil Science, 2007, v. 40, pр. 399–408.</mixed-citation></citation-alternatives></ref><ref id="B2"><label>2.</label><citation-alternatives><mixed-citation xml:lang="en">Gu S., Gruau G., Malique F., Dupas R., Petitjean P., Gascuel-Odoux C. Drying/rewetting cycles stimulate release of colloidal-bound phosphorus in riparian soils. 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