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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">10.19047/0136-1694-2020-104-68-109</article-id><article-id custom-type="elpub" pub-id-type="custom">esoil-583</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>Современное состояние орошаемых почв юга Приволжской возвышенности</article-title><trans-title-group xml:lang="en"><trans-title>Modern state of irrigated soils at the south of the Volga upland</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9953-2319</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зинченко</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zinchenko</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Научный сотрудник, кандидат сельскохозяйственных наук.</p><p>400002, Волгоград, ул. им. Тимирязева, 9</p></bio><bio xml:lang="en"><p>9 Timiryazeva Str., Volgograd 400002</p></bio><email xlink:type="simple">zinchenko_ev@vniioz.ru</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>Горохова</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorokhova</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>119017, Москва, Пыжевский пер, 7, стр. 2</p></bio><bio xml:lang="en"><p>7 Bld. 2 Pyzhevskiy per., Moscow 119017</p></bio><email xlink:type="simple">g-irina14@yandex.ru</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>Круглякова</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kruglyakova</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>400002, Волгоград, ул. им. Тимирязева, 9</p></bio><bio xml:lang="en"><p>9 Timiryazeva Str., Volgograd 400002</p></bio><email xlink:type="simple">kruglyakova02032013@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5151-5109</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хитров</surname><given-names>Н. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Khitrov</surname><given-names>N. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>119017, Москва, Пыжевский пер, 7, стр. 2</p></bio><bio xml:lang="en"><p>7 Bld. 2 Pyzhevskiy per., Moscow 119017</p></bio><email xlink:type="simple">khitrovnb@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ Всероссийский научно-исследовательский институт орошаемого земледелия</institution><country>Россия</country></aff><aff xml:lang="en"><institution>FSBSI All-Russian research Institute of irrigated agriculture</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФИЦ Почвенный институт им. В.В. Докучаева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Research Centre V.V. Dokuchaev Soil Science Institute</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>03</day><month>12</month><year>2020</year></pub-date><volume>0</volume><issue>104</issue><fpage>68</fpage><lpage>109</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Зинченко Е.В., Горохова И.Н., Круглякова Н.Г., Хитров Н.Б., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Зинченко Е.В., Горохова И.Н., Круглякова Н.Г., Хитров Н.Б.</copyright-holder><copyright-holder xml:lang="en">Zinchenko E.V., Gorokhova I.N., Kruglyakova N.G., Khitrov N.B.</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/583">https://bulletin.esoil.ru/jour/article/view/583</self-uri><abstract><p>Цель - оценить влияние 50-летнего орошения дождеванием на почвенные процессы, происходящие в светло-каштановых почвах (Luvic Kastanozem (Loamic, Aric, Protosodic, Bathysalic)) южных склонов Приволжской возвышенности Волго-Донского междуречья (ФГУП “Орошаемое” Волгоградской области) при глубоких грунтовых водах. Вода для полива подается из Варваровского водохранилища системы Волго-Донского канала. Она имеет минерализацию около 1 г/л, гидрокарбонатно-хлоридно-сульфатный состав с повышенным содержанием натрия. Представлено подробное морфологическое описание почвенных профилей, гранулометрический состав, содержаниелегкорастворимых солей в почвах и грунтах зоны аэрации до глубины 3.5 м, динамика солей в слое 0-50 см за 2011-2019 гг. До осени 2015 г. исследуемые почвы были глубокосолончаковатыми, являясь незасоленными в слое 0-100 см. В последние годы в слое 0-50 см отмечается слабая степень засоления содово-хлоридного натриевого химизма в результате постепенного накопления солей поливной воды при орошении, основанном на данных по водопотреблению сельскохозяйственных культур. Орошаемые почвы приобрели комплекс признаков вторичной солонцеватости: (1) наличие светлых скоплений песчаных и пылеватых зерен минералов в пахотном горизонте как результат разрушающего воздействия капель оросительной воды при дождевании; (2) токсичную щелочность, связанную с натрием, по данным водной вытяжки, в горизонтах от 10-20 до 60-100 см; (3) обильные гумусово-глинистые кутаны на боковых гранях призмовидных структурных отдельностей в ненарушенной части почвенного профиля от 30 до 100 см.</p></abstract><trans-abstract xml:lang="en"><p>The goal is to assess the impact of 50-year irrigation by sprinkling on soil processes occurring in the light-chestnut soils (Luvic Kastanozem (Loamic, Aric, Protosodic, Bathysalic)) of the southern slopes of the Volga upland at the Volga-Don interfluve (FSUE “Oroshaemoe”, the Volgograd region) with deep ground water. Water for irrigation is supplied from the Varvarovsky reservoir of the Volga-Don Canal system. It is characterized by a total dissolved salts of about 1 g/l, a bicarbonate-chloride-sulfate compositionwith an increased sodium content. Detailed morphological description of soil profiles, granulometric composition, content of soluble salts in soils and sediments of the vadoze zone up to the depth of 3.5 m, dynamics of salts in the layer of 0-50 cm for 2011-2019 are presented. Until the autumn of 2015, the studied soils were deep saline, being no saline in the layer of 0-100 cm. In recent years, a weak salinity degree of soda-chloride sodium chemistry has been observed in the 0-50 cm layer as a result of gradual accumulation of irrigation water salts during irrigation organized according to water consumption of agricultural crops. Irrigated soils have acquired a complex of signs of secondary salinity: (1) the presence of light accumulations of sandy and silt mineral grains in the arable horizon, resulting from the destructive effect of irrigation water drops during sprinkling; (2) toxic alkalinity associated with sodium (residual sodium carbonate), according to water extraction 1 : 5 (soil : water), in the horizons from the depth of 10-20 to 60100 cm; (3) abundant humus-clay cutans on the lateral side faces of prismatic structural units in the undisturbed part of the soil profile from 30 to 100 cm.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>деградация почвы</kwd><kwd>вторичное осолонцевание почв</kwd><kwd>засоление почв</kwd><kwd>мониторинг засоления</kwd><kwd>гумусово-глинистые кутаны</kwd><kwd>светло-каштановые почвы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>soil degradation</kwd><kwd>secondary soil alkalinization</kwd><kwd>soil salinity</kwd><kwd>salinity monitoring</kwd><kwd>humus-clay cutans</kwd><kwd>Kastanozems</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Афанасьева Е.А. 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