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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">esoil</journal-id><journal-title-group><journal-title xml:lang="ru">Бюллетень Почвенного института имени В.В. Докучаева</journal-title><trans-title-group xml:lang="en"><trans-title>Dokuchaev Soil Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0136-1694</issn><issn pub-type="epub">2312-4202</issn><publisher><publisher-name>V.V. Dokuchaev Soil Science Institute</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.19047/0136-1694-2019-96-149-177</article-id><article-id custom-type="elpub" pub-id-type="custom">esoil-296</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Статьи</subject></subj-group></article-categories><title-group><article-title>Оптимизация анализа агрегатного состава почв методом автоматического рассева</article-title><trans-title-group xml:lang="en"><trans-title>Dry sieving analysis of soil by vibratory sieve shaker: modification and optimization</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3733-0284</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фомин</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Fomin</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дмитрий Сергеевич Фомин – младший нацчный сотрудник межинститутского отдела по изучению черноземных почв.</p><p>119017, Москва, Пыжевский пер., 7, стр. 2</p></bio><bio xml:lang="en"><p>119017, Moscow, Pyzhevskiy per., 7, build. 2</p></bio><email xlink:type="simple">dsfomin92@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Валдес-Коровкин</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Valdes-Korovkin</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Илья Алексеевич Валдес-Коровкин - бакалавр кафедры физики и мелиорации почв.</p><p>119017, Москва, Пыжевский пер., 7, стр. 2; 119991, Москва, Ленинские горы, д. 1-12</p></bio><bio xml:lang="en"><p>119017, Moscow, Pyzhevskiy per., 7, build. 2; 119991, Moscow, Leninskie Gory, 1-12</p></bio><email xlink:type="simple">ilyavaldeskorovkin@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Голуб</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Holub</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрей Петрович Голуб</p><p>119192 Москва, Мичуринский проспект, д. 1</p></bio><bio xml:lang="en"><p>119192, Moscow, Michurinskiy prospekt, 1</p></bio><email xlink:type="simple">andrey_90_gektor@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Юдина</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yudina</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анна Викторовна Юдина – научный сотрудник лаборатории физики и гидрологии почв.</p><p>119017, Москва, Пыжевский пер., 7, стр. 2</p></bio><bio xml:lang="en"><p>119017, Moscow, Pyzhevskiy per., 7, build. 2</p></bio><email xlink:type="simple">anna.v.yudina@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Почвенный институт им. В.В. Докучаева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>V.V. Dokuchaev Soil Science Institute</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Почвенный институт им. В.В. Докучаева; МГУ им. М.В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>V.V. Dokuchaev Soil Science Institute; Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>НИИ механики МГУ им. М.В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Mechanics, Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>01</day><month>03</month><year>2019</year></pub-date><volume>0</volume><issue>96</issue><fpage>149</fpage><lpage>177</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Фомин Д.С., Валдес-Коровкин И.А., Голуб А.П., Юдина А.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Фомин Д.С., Валдес-Коровкин И.А., Голуб А.П., Юдина А.В.</copyright-holder><copyright-holder xml:lang="en">Fomin D.S., Valdes-Korovkin I.A., Holub A.P., Yudina A.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://bulletin.esoil.ru/jour/article/view/296">https://bulletin.esoil.ru/jour/article/view/296</self-uri><abstract><p>Поставлен и проведен эксперимент по определению оптимального режима просеивания на аналитической просеивающей машине. За основу взят метод “сухого” просеивания Саввинова, а в качестве объектов были выбраны пахотные горизонты агродерново-подзолистой почвы (Eutric Retisol) и агрочернозема миграционно-мицеллярного (Haplic Chernozem). Для анализа агрегатного состава были использованы навески почвы массой 500 ± 0.5 г, которые просеивалась с 3-6-кратной повторностью, частотой 50 Гц и амплитудой вибраций от 0.5 до 2.5 мм на протяжении от 1 до 5 минут. Был проведен расчет работы прибора по просеиванию образца почвы. Для определения оптимального режима просеивания была проведена аппроксимация результатов эксперимента функцией асимптотической регрессии. Для агродерново-подзолистой почвы оптимальным режимом просеивания является использование амплитуды вибрации 1 мм на протяжении 1 минуты; для агрочерноземов -амплитуды вибрации 2.5 мм на протяжении 2 минут. В качестве универсального режима “сухого” просеивания образцов почв на аналитических просеивающих машинах, по результатам данного исследования, рекомендуется использовать следующие параметры при частоте используемой сети 50 Гц: амплитуда вибрации 2.5 мм, время - 2 минуты.</p></abstract><trans-abstract xml:lang="en"><p>This study performs a methodical experiment on adaptation and unification of soil dry sieving analysis. The analysis is based on the Savvinov dry sieving method that uses 0.5-1.5 kg air-dried soil samples which are passed through the 10, 7, 5, 3, 2, 1, 0.5, 0.25 mm sieves. The studied soils are silt loam Eutric Retisol and Haplic Chernozem. From each object, 50 kg of fresh soil was sampled from the plow layer (lm2 area). Air-dried soil subsamples of 500 ± 0.5 g were used for analysis, clods bigger than 50 mm were gently crushed by pestle with rubber tip. The sieving parameters were the following: 50 Hz vibration frequency - 3000 rpm (depend on current), from 0.5 to 2.5 mm vibration amplitude and from 0.5 to 5 minutes sieving time. Sieve shaker mechanical work (J) was calculated for each mode. The data approximation was carried out by means of the asymptotic regression function. An optimal dry sieving mode was defined for each soil: Eutric Retisol - 1 mm vibration amplitude during 1 minute, Haplic Chernozem - 2.5 mm vibration amplitude during 2 minutes. In the case of sandy soils dry sieving doesn't require much effort. Therefore, in this experiment only fine macrostructure soils were selected (11-16 % &lt; 2 um clay by laser diffraction method). As a result, the unified dry sieving mode of vibratory sieve shakers was developed which is applicable for all studied soils: 2.5 mm vibration amplitude during 2 minutes and 50 Hz frequency when 500 g air-dried soil sample is used.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>почвенная структура</kwd><kwd>сухое просеивание</kwd><kwd>виброгрохот</kwd><kwd>методика</kwd></kwd-group><kwd-group xml:lang="en"><kwd>soil structure</kwd><kwd>aggregates</kwd><kwd>fractionation</kwd><kwd>structural stability</kwd><kwd>erosiveness</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">РФФИ в рамках научного проекта № 18-316-00139 и Президиума РАН (грант на проведение фундаментальных научных исследований в 2018 г.) с привлечением оборудования Центра коллективного пользования научным оборудованием “Функции и свойства почв и почвенного покрова” Почвенного института им. В.В. 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